| Entries |
| Document | Title | Date |
|---|
| 20080221318 | Cellulose- or Lignocellulose-Containing Composite Materials Based on a Silane-Based Composite as a Binder - The present invention relates to a composite material based on (a) a cellulose- or lignocellulose-containing material and (b) a composite as a binder, the composite resulting from the reaction of at least the components (i) a glycidyloxypropylalkoxysilane, (ii) an aqueous silica sol having a solids content of >20% by weight, (iii) an organic acid as a hydrolysis catalyst and (iv) n-propyl zirconate, butyl titanate or titanium acetylacetonate as a crosslinking agent. The present invention furthermore relates to a process for the production of said composite materials and the use of a composite (b) as a binder for the production of wood-based materials. | 09-11-2008 |
| 20080234476 | POLYSACCHARIDE DERIVATIVES AND STRUCTURES EMPLOYING SAME - Polysaccharide derivatives, more particularly heteropolysaccharide derivatives, especially hemicellulose derivatives, methods for making same and structures employing same are provided. | 09-25-2008 |
| 20080275230 | POLYMERS HAVING COVALENTLY BOUND ANTIBIOTIC AGENTS - An antimicrobial composition comprising: a complex of a polysaccharide covalently bonded with an antibiotic. A medical device having an antimicrobial composition comprising: a complex of an oxidized regenerated cellulose covalently bonded with gentamicin. | 11-06-2008 |
| 20090018326 | CELLULOSE ACYLATE FILM AND METHOD FOR PRODUCING THE SAME - A cellulose acylate film, which contains 1% to 25% by mass of a plasticizer and has a cellulose acylate composition satisfying the inequalities of 0≦X≦2.5 and 2.1≦X+Y≦3.0 (in which X is a substitution degree of acetyl group, and Y is a substitution degree of at least one group selected from propionyl, butyryl, and phthaloyl groups), is transversely stretched under conditions of [preheating temperature>stretching temperature] and [preheating zone length/stretching zone length=0.1 to 10]. After the transverse stretching, the film is heat-fixed under conditions of [stretching temperature>heat-fixing temperature] and [heat-fixing zone length/stretching zone length=0.1 to 10]. | 01-15-2009 |
| 20090023911 | CELLULOSE ACYLATE FILM, POLARIZING PLATE, OPTICAL COMPENSATION FILM, AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A cellulose acylate film characterized in that it has a shear rate dependency of melt viscosity of 0.1 to 2 and/or a temperature dependency of melt viscosity of 0.1 to 3. The cellulose acylate film is capable of suppressing generation of cutting wastage at the time of cutting. | 01-22-2009 |
| 20090054637 | THERMOPLASTIC RESIN FILM AND METHOD FOR PRODUCING THE SAME - The present invention provides a thermoplastic resin film which has uniform optical properties and can be used for a high quality functional film and a method for producing the same to suppress uneven thickness in the machine direction of a film and streaks in the film. The method for producing a cellulose acylate film ( | 02-26-2009 |
| 20090062523 | Method for Separating the Main Components of Lignocellulosic Materials - The objective of this invention is a method for separating cellulosic fibres, hemicellulose and lignin from parts of plants containing these, such as stems, leaves and seed coats or hulls of cereal, oilseed, fibre or grassy plants. After appropriate pre-treatments the material is heated in an alkaline solution at lower temperatures than used in the traditional cellulose manufacturing. After this heat treatment, the fibrous and other undissolved materials are separated from the solution and subsequently ground in wet condition, using preferably chafing treatments. For improving the separation, surface active substances can be included in the alkaline heat treatment solution. | 03-05-2009 |
| 20090124798 | Filler for Optical Isomer Separation - A polymer compound derivative, obtained by modifying part of the hydroxy or amino groups of a polymer compound having the hydroxy or amino groups with molecules of a compound represented by the following general formula (I): A-X—Si(Y) | 05-14-2009 |
| 20090176979 | PROCESS FOR PRODUCTION OF POLYSACCHARIDE AND/OR MONOSACCHARIDE BY HYDROLYSIS OF DIFFERENT POLYSACCHARIDE - The object is to produce a polysaccharide and/or a monosaccharide efficiently by hydrolyzing a different polysaccharide efficiently. The hydrolysis of a polysaccharide is an important means for producing a monosaccharide that can be used as a starting material for the production of ethanol, the solubilization of a water-insoluble polysaccharide, and the production of a useful water-soluble low-polymeric saccharide or the like. For achieving the object, a polysaccharide to be hydrolyzed is reacted with water in the presence of a carbonaceous material having sulfonic acid group therein to cause the hydrolysis of the polysaccharide to be hydrolyzed, thereby producing a other polysaccharide and/or a monosaccharide. | 07-09-2009 |
| 20090221812 | METHOD FOR THE MANUFACTURE OF MICROFIBRILLATED CELLULOSE - A method for treatment of chemical pulp for the manufacturing of microfibrillated cellulose includes the following steps: a) providing a hemicellulose containing pulp, b) refining the pulp in at least one step and treating the pulp with one or more wood degrading enzymes at a relatively low enzyme dosage, and c) homogenizing the pulp thus providing the microfibrillated cellulose. According to a second aspect of the invention a microfibrillated cellulose obtainable by the method according to the first aspect is provided. According to a third aspect of the invention, use of the microfibrillated cellulose according to the second aspect in food products, paper products, composite materials, coatings or in rheology modifiers (e.g. drilling muds) is provided. | 09-03-2009 |
| 20090240047 | CELLULOSIC RESIN FILM AND PROCESS FOR PRODUCING THE SAME - The invention provides a melt-casting film formation process for a cellulosic resin film, by which thickness unevenness of the cellulosic resin film is suppressed in both the cross-machine direction and machine direction. Consequently the invention can provide a cellulosic resin film having high optical properties. In this process for producing the cellulosic resin film, a resin molten in an extruder ( | 09-24-2009 |
| 20090259032 | METHOD OF PRODUCING CELLULOSE CARBAMATE BLOWN FILM AND USE OF THE SAME - The present invention relates to a cellulose carbamate spinning solution, the cellulose carbamate being dissolved in at least one ionic liquid. Furthermore, the invention relates to a method for the production of blown films in which a solution of cellulose carbamate in an ionic liquid is extruded into a coagulation bath, and also to the films produced with the method and the use thereof. | 10-15-2009 |
| 20090264638 | METHOD FOR PRODUCING CELLULOSE ACYLATE FILM, CELLULOSE ACYLATE FILM AND OPTICAL FILM - An unstretched cellulose acylate film is stretched in a ratio ranging from 1.05 to 1.6 in the longitudinal direction (MD) in a longitudinal stretching section using at least two rollers having a surface-to-surface separation of 2 to 50 mm therebetween and being different in circumferential velocity, thereafter the cellulose acylate film stretched in the longitudinal direction is heated in the heat treatment section to a temperature ranging from Tc to Tc+80° C. under the conditions that the widthwise ends of the cellulose acylate film are gripped, and thus the cellulose acylate film is contracted in the widthwise direction (TD) to produce the intended cellulose acylate film. This method can provide a cellulose acylate film having properties suitable for an optical film and so on. | 10-22-2009 |
| 20090281302 | Method of Recycling Fibers From Sewage Sludge and Means Thereof - The present invention generally relates to a method of recycling and producing fibers from sewage sludge, such as streams of municipal, agricultural and industrial flowing wastes to be further processed. The present invention also relates to industrial means adapted for recycling the same. The present invention discloses environmentally friendly processes and means for recovering valuable fibers and especially cellulose fibers and the like from agricultural and/or urban sewage sludge, waste and/or industrial effluents to decrease its volume especially BOD and TSS, obtaining valuable raw materials and decreasing environmental damages. | 11-12-2009 |
| 20090281303 | PROCESS FOR SILYLATING CELLULOSE - The present invention describes a process for silylating polysaccharides, oligosaccharides or disaccharides or derivatives thereof by dissolving these in an ionic liquid and reacting them with a silylating agent. | 11-12-2009 |
| 20090299051 | METHOD FOR PREPARATION OF HIGH ENZYMATIC RESISTANCE HYDROXYALKYLCELLULOSE DERIVATIVES - The present invention relates to a process of preparing hydroxyalkyl cellulose derivatives having improved enzymatic resistance. In particular, the present invention relates to a process of preparing hydroxyalkyl cellulose derivatives by reacting cellulose and ethylene oxide in the presence of alkali metal hydroxide, wherein the reaction between cellulose and ethylene oxide is performed in the presence of isopropyl alcohol azeotropic solvent in a horizontally agitated reactor, wherein the ethylene oxide is supplied via two steps, thus resulting in a two-step reaction, and the amount of alkali metal hydroxide remaining after the first reaction is controlled, thereby enabling to provide hydroxyalkyl cellulose derivatives having improved enzymatic resistance and turbidity and to remarkably decrease the solvent usage to have economical and environmental advantages. | 12-03-2009 |
| 20090326216 | PROCESS FOR ACYLATING CELLULOSE - The present invention describes a process for acylating polysaccharides, oligosaccharides or disaccharides or derivatives thereof by dissolving these in an ionic liquid and reacting them with a ketene, and also novel acylated polysaccharides, oligosaccharides or disaccharides or derivatives thereof. | 12-31-2009 |
| 20100016575 | BACTERIAL CELLULOSE-CONTAINING FORMULATIONS LACKING A CARBOXYMETHYL CELLULOSE COMPONENT - A method for the production of a bacterial cellulose-containing formulation that lacks a carboxymethyl cellulose component. The method includes providing a bacterial cellulose product, mixing the bacterial cellulose product with a polymeric thickener and/or a precipitation agent, lysing the bacterial cells from the bacterial cellulose product or the mixture of the bacterial cellulose product and the polymeric thickener or precipitation agent, and co-precipitating the resultant mixture with a water-miscible non-aqueous liquid. The resultant bacterial cellulose formulation includes at least one bacterial cellulose material and at least one polymeric thickener. The bacterial cellulose formulation, may be used in food compositions. | 01-21-2010 |
| 20100029926 | MOLECULAR MASS ENHANCEMENT OF BIOLOGICAL FEEDSTOCKS - The instant invention involves a process for enhancing molecular mass of biomass reactants. The process comprises first forming a substituted or unsubstituted furfural from a biomass. The substituted or unsubstituted furfural is then reacted with an activated methylene compound in the presence of a catalyst and, if desired, a solvent to form a Knoevenagel product. The product may then be hydrogenated to products containing an alcohol, ether, aldehyde, or ketone functional groups or to an olefinic or aliphatic species wherein as much as all of the oxygen and/or nitrogen has been removed. | 02-04-2010 |
| 20100036113 | PROCESS FOR TREATING CELLULOSE PULP USING CARBOXYMETHYCELULOSE AND PULP THUS OBTAINED - The present invention relates to an improved process for processing chemical cellulose pulp wherein carboxymethylcellulose (CMC) is added during the bleaching step of said pulp. The addition of CMC in this step of the bleaching process provides a pulp with improved physical, chemical and mechanical properties. | 02-11-2010 |
| 20100041878 | Optical Isomer separating filler - Disclosed is an optical isomer separating filler having separating ability/separating characteristics different from those of conventional optical isomer separating fillers, which is capable of separating an optical isomer which cannot be separated by conventional fillers. Specifically disclosed is an optical isomer separating filler wherein a polysaccharide derivative is chemically bonded onto a support. This optical isomer separating filler is characterized in that the halogen content in the filler is 3.0 to 5.0%. | 02-18-2010 |
| 20100048884 | SOLVO-THERMAL HYDROLYSIS OF CELLULOSE - The invention relates to a process for hydrolyzing cellulose, comprising: (a) contacting cellulose with a fluid mixture comprising supercritical CO | 02-25-2010 |
| 20100069626 | NANO-CATALYTIC-SOLVO-THERMAL TECHNOLOGY PLATFORM BIO-REFINERIES - Methods of making glucose and/or furfural from biomass require one or more supercritical fluids that may be used to process biomass, cellulose from the biomass, and/or xylose from the biomass. Examples of supercritical fluids for use in processing biomass include ethanol, water, and carbon dioxide at a temperature and pressure above the critical points for ethanol and carbon dioxide but at a temperature and/or pressure below that of the critical point for water. A supercritical fluid containing carbon dioxide and water may be used to convert cellulose to glucose or convert xylose to furfural. The fluid has a temperature and pressure above the critical point of carbon dioxide, but at least one of the temperature and pressure is below the critical point for water. | 03-18-2010 |
| 20100093995 | PROCESS FOR THE RECOVERY OF HCL FROM A DILUTE SOLUTION THEREOF - The invention provides a process for the recovery of HCl from a dilute solution thereof, comprising: a) bringing a dilute aqueous HCl solution into contact with a substantially immiscible extractant, said extractant comprising: 1) an oil soluble amine which amine is substantially water insoluble both in free and in salt form; 2) an oil soluble organic acid which acid is substantially water insoluble both in free and in salt form; and 3) a solvent for the amine and organic acid; whereupon HCl selectively transfers to said extractant to form an HCl-carrying extractant; and b) treating said HCl-carrying extractant to obtain gaseous HCl. | 04-15-2010 |
| 20100099862 | PROCESS FOR WASHING POLYSACCHARIDE DERIVATIVES - The present invention relates to a novel process for removing and purifying polysaccharide derivatives, preferably cellulose ethers, from a suspension using a continuous filter device with a multitude of working zones with intermediate resuspension of the filtercake. | 04-22-2010 |
| 20100184968 | METHOD FOR PREPARING AN OXIDISED CELLULOSE COMPRESS - A method for preparing an oxidized cellulose complex essentially comprises oxidizing the compress with a hypohalite, in the presence of an oxoammonium salt | 07-22-2010 |
| 20100190973 | SINGLE STEP PROCESS FOR SEPARATING BIOMASS COMPONENTS - The invention is directed towards a method of pretreatment of a lignocellulose containing biomass so as to make the biomass amenable to enzymatic digestion. More particularly, the instant application discloses a single step separation of biomass into individual components such as cellulose, hemicellulose and lignin without losing chemical nature and with high purity at a time. | 07-29-2010 |
| 20100234586 | PROCESS FOR THE CONVERSION OF CELLULOSE IN HYDRATED MOLTEN SALTS - A process for converting cellulose to glucose, said process comprising the steps of: providing a hydrated molten salt; contacting the hydrated molten salt with a cellulose-containing material to form dissolved glucose; removing the dissolved glucose from the hydrated molten salt. | 09-16-2010 |
| 20100317843 | PROCESS FOR SEPARATING BIOMASS COMPONENTS - The present invention provides a process and System for Separation of biomass components into individual components such as cellulose, hemicellulose and lignin. The present invention provides a process for separating lignin in its native form. The cellulose obtained by the process of the present invention is highly reactive for saccharification. | 12-16-2010 |
| 20110082290 | SUPERHYDROPHILIC AMPHIPHILIC COPOLYMERS AND PROCESSES FOR MAKING THE SAME - A superhydrophilic amphiphilic copolymer and process for making the superhydrophilic amphiphilic copolymer includes a low molecular weight polysaccharide modified with a hydrophobic reagent, such as substituted succinic anhydride. The superhydrophilic amphiphilic copolymer system generates stable foam for use in applications, such as healthcare formulations, with low irritation of the eyes and skin. | 04-07-2011 |
| 20110118458 | USE OF MEDIATORS IN THE PRODUCTION OF FIBERBOARDS - The invention relates to a novel mediator used in the production of wood composite materials that are devoid of binding agents. | 05-19-2011 |
| 20110263840 | PROCESS FOR THE MANUFACTURE OF CELLULOSE-BASED FIBRES AND THE FIBRES THUS OBTAINED - A method for the spinning of a fibre comprising cellulose nano-fibrils being aligned along the main axis of the fibre from a lyotropic suspension of cellulose nano-fibrils, said nano-fibril alignment being achieved through extension of the extruded fibre from a die, spinneret or needle, wherein said fibre is dried under extension and the aligned nano-fibrils aggregate to form a continuous structure. The fibrils used in this method can be extracted from a cellulose-rich material such as wood. The invention also related to a cellulose-based fibre obtained according to this method and to a cellulose fibre which contains at least 90% wt of crystallised cellulose. | 10-27-2011 |
| 20110263841 | MEDICAL DEVICES WITH DEFINABLE POROSITY PRODUCED BY BACTERIAL POLYMER BIO-SYNTHESIS - The present invention relates to a method of forming an implantable medical device comprising: culturing polymer-producing bacteria preferably | 10-27-2011 |
| 20110313146 | Optical-isomer-separating agent - According to the present invention, there is provided an enantiomeric isomer separating agent, which includes a polysaccharide derivative supported by particles of a support by chemical bonding, and has a concentration of eluted component (in terms of mass proportion), as determined through a liquid passing test under the following conditions, of 20 ppm or lower: (liquid passing test) (1) the enantiomeric isomer separating agent is packed into a column having a diameter of 1 cm and a length of 25 cm by a slurry method, (2) an organic solvent in which the polysaccharide derivative is soluble is used as a solvent, and passing of this solvent, whose temperature is set at 40° C., is initiated at a flow rate of 8 ml/min, (3) collection of the solvent passed is initiated 1 hour after the initiation of the liquid passing, the solvent is collected for 1 hour (480 ml), and the mass (M | 12-22-2011 |
| 20110313147 | CHROMATOGRAPHIC MATERIAL FOR THE ABSORPTION OF PROTEINS AT PHYSIOLOGICAL IONIC STRENGTH - Ion exchange and hydrophobic interaction chromatographic materials are constructed by tethering a terminal binding functionality to a solid support via a hydrophobic linker. The backbone of the linker typically comprises sulfur-containing moieties. Suitable terminal binding functionalities are tertiary amines, quaternary ammonium salts, or hydrophobic groups. These chromatographic materials possess both hydrophobic and ionic character under the conditions prescribed for their use. The separation of proteins from crude mixtures at physiological ionic strength can be accomplished with a chromatographic material of this type by applying pH or ionic strength gradients, thereby effecting protein adsorption and desorption. | 12-22-2011 |
| 20120004406 | CELLULOSE CROSSLINKED FIBERS WITH REDUCED FIBER KNOTS MANUFACTURED FROM PLASMA TREATED PULPSHEETS - An intrafiber crosslinked cellulose pulp fiber manufactured from plasma-treated pulp sheet. The crosslinked fiber can have lower sonic knots than an untreated pulp sheet. | 01-05-2012 |
| 20120041186 | SYSTEM AND METHOD FOR PREEXTRACTION OF HEMICELLULOSE THROUGH USING A CONTINUOUS PREHYDROLYSIS AND STEAM EXPLOSION PRETREATMENT PROCESS - A method including: pretreating biomass feed stock in a first pressurized reactor, wherein the feed stock undergoes hydrolysis in the first pressurized reactor; discharging the feed stock from the first pressurized reactor to a pressurized sealing device having a first pressurized coupling to a feedstock discharge port of the first pressurized reactor; maintaining a vapor phase in the first pressurized reactor by injecting steam; washing the feed stock; draining dissolved hemi-cellulosic material extracted from the feed stock; discharging the feed stock from the pressurized sealing device through a second pressurized coupling to a second pressurized reactor; in the second pressurized reactor, infusing cells of the feed stock with steam or water vapor, and rapidly releasing the pressure applied to the feed stock to cause steam expansion in the cells of the feed stock and refine the feed stock. | 02-16-2012 |
| 20120095206 | METHOD FOR PRODUCING CROSS-LINKED HYALURONIC ACID - A method for producing a cross-linked hyaluronic acid in accordance with the present invention comprises: (a) cross-linking at least one polymer at a temperature, from about 35° C. to about 60° C., for a reaction time of from about 0.1 hour to about 72 hours with a cross-linking agent; and (b) lowering the temperature in step (a) to form about 10° C. to about 30° C. for a reaction time of from about 48 hours to about 28 days to obtain the cross-linked hyaluronic acid, whereby, a cross-linking agent content in a product of the method can be decreased so the product does not require purification. | 04-19-2012 |
| 20120116068 | METHOD FOR BREAKING DOWN CELLULOSE IN SOLUTION - The present invention describes a process for the degradation of cellulose by dissolving the cellulose in an ionic liquid and treating it with an acid, if appropriate with addition of water. | 05-10-2012 |
| 20120130064 | METHOD FOR THE HYDROPHILIC PROCESSING OF CELLULOSE FIBRE AND PRODUCTION METHOD FOR HYDROPHILIC CELLULOSE FIBRE - This invention provides a method for hydrophilic treatment of cellulose fibers that can prevent coloring or decrease in fiber strength. The hydrophilic treatment method comprises a first oxidation step of oxidizing cellulose fibers in a first reaction solution containing an N-oxyl compound and a re-oxidizing agent for the N-oxyl compound; and a second oxidation step of oxidizing oxycellulose fibers obtained in the first oxidation step in a second reaction solution containing an oxidizing agent for oxidizing aldehyde groups. | 05-24-2012 |
| 20120136146 | PROCESS FOR THE PRODUCTION OF MICROFIBRILLATED CELLULOSE AND PRODUCED MICROFIBRILLATED CELLULOSE - A process for producing microfibrillated cellulose comprises providing a slurry comprising cellulosic fibers, treating the slurry with an enzyme, mechanically treating the slurry so that the fibers are disintegrated wherein the mechanical treatment and the treatment with the enzyme is performed simultaneously in a single treatment step. In this way it is possible to produce microfibrillated cellulose (MFC) in an improved and energy efficient way. A microfibrillated cellulose is produced according to the process. | 05-31-2012 |
| 20120142909 | VISCOSITY CONTROL IN COMPOSITIONS COMPRISING PLANT FIBER MATERIALS - Pectinases, such as Pectinex™ Ultra SP-L (composed of the enzyme Polygatacturonase, a type of pectinase which is derived from | 06-07-2012 |
| 20120157673 | MINIMAL TISSUE ATTACHMENT IMPLANTABLE MATERIALS - A method for minimizing tissue adhesion at an injured site is provided, the method comprising applying a biocellulose material to the injured site, whereby the adhesion of the tissues at the injured site is minimized, wherein the biocellulose material is at least partially dehydrated. Another embodiment provides an implantable material, which effectively prevents cell adhesion and has desirable mechanical properties. | 06-21-2012 |
| 20120178921 | Pretreatment of Solid Biomass Material Comprising Cellulose with Ionic Liquid Medium - A process is disclosed for pretreating a solid, cellulose-containing biomass material. The pretreatment comprises contacting the solid biomass material with an Ionic Liquid medium under sub-solvating conditions. The pretreatment results in an opening up of the texture of the solid biomass material, while no or a limited amount of biomass material is dissolved. The Ionic Liquid medium preferably is an inorganic molten salt hydrate. The pretreated biomass material can be as a feedstock in any process that benefits from the change in texture resulting from the pretreatment. | 07-12-2012 |
| 20120214979 | PROCESS FOR THE PRODUCTION OF MICROFIBRILLATED CELLULOSE IN AN EXTRUDER AND MICROFIBRILLATED CELLULOSE PRODUCED ACCORDING TO THE PROCESS - The present invention relates to a process for the production of microfibrillated cellulose wherein the process comprises the steps of, providing a slurry comprising fibers, adding the slurry to an extruder, treating the slurry in the extruder so that the fibers are defibrillated and microfibrillated cellulose is formed. The invention further relates to a microfibrillated cellulose produced. | 08-23-2012 |
| 20120253030 | PROCESS FOR MANUFACTURING LOW-FIBRILLATING CELLULOSIC FIBER - A process for manufacturing low-fibrillating cellulosic fibers by a dry-jet-wet spinning process is provided. The cellulose is treated with a specific ionic liquid based solvent to produce the said fibers with fibrillating index less than or equal to (3). | 10-04-2012 |
| 20120253031 | PROCESS FOR MANUFACTURING LOW-FIBRILLATING CELLULOSIC FIBER - The present invention provides a process for producing low fibrillating cellulose fibers by a dry-jet-wet spinning process wherein cellulose is treated with a solvent containing imidazolium ionic salt in a spinneret maintained at a temperature of 100-120° C. and the spun fibers drawn to the coagulation bath containing ionic salt with the draw ratio less than 5, to produce fibers with fibrillating index less than or equal to 3. | 10-04-2012 |
| 20120289692 | PROCESS FOR PURIFYING LIGNOCELLULOSIC FEEDSTOCKS - The present invention includes methods for removing contaminants, such as mineral salts, mineral acids, terpenoids, stilbenes, flavonoids, proteinaceous materials, metal impurities, ash and other organic products, from a lignocellulosic feedstock stream containing oxygenated hydrocarbons. | 11-15-2012 |
| 20120316330 | METHODS FOR INTEGRATED CONVERSION OF LIGNOCELLULOSIC MATERIAL TO SUGARS OR BIOFUELS AND NANO-CELLULOSE - The present invention relates to systems, compositions and methods for the conversion of lignocellulosic material to recalcitrant cellulose and hydrolyzed sugars and products produced therefrom (e.g., biofuel, nano-fibrillated cellulose). In particular, the invention provides novel fractionation processes configured to integrate production of hydrolyzed sugars (e.g., for biofuel production) and recalcitrant cellulose (e.g., for nano-fibrillated cellulose production) from lignocellulosic material and methods of using the same (e.g., in the production of biofuel and nano-fibrillated cellulose). The invention is also directed to nanocellulose with morphologies of having a less entangled and slightly branched fibril network, and having the same thermal stability as of that of the initial lignocellulose feedstock. | 12-13-2012 |
| 20120322997 | PROCESS FOR PRODUCING DIFFERENTIATED CELLULOSE FIBERS COMPRISING AN ENZYMATIC TREATMENT IN ASSOCIATION WITH AN ACID STEP - The present invention refers to a process for producing cellulose of market eucalyptus fibers having distinct features through the use of at least one enzymatic treatment with hydrolytic enzymes, such as for example, xylanases, cellulases or mixtures thereof, in association to at least one acidic treatment step. These treatments may be applied into different steps of the fibers process producing, wherein all of them happen before drying. | 12-20-2012 |
| 20120330001 | METHOD OF IMMOBILIZING A PROTEIN OR MOLECULE VIA A MUTANT DEHALOGENASE THAT IS BOUND TO AN IMMOBILIZED DEHALOGENASE SUBSTRATE AND LINKED DIRECTLY OR INDIRECTLY TO THE PROTEIN OR MOLECULE - A mutant hydrolase optionally fused to a protein of interest is provided. The mutant hydrolase is capable of forming a bond with a substrate for the corresponding nonmutant (wild-type) hydrolase which is more stable than the bond formed between the wild-type hydrolase and the substrate and has at least two amino acid substitutions relative to the wild-type hydrolase. Substrates for hydrolases comprising one or more functional groups are also provided, as well as methods of using the mutant hydrolase and the substrates of the invention. Also provided is a fusion protein capable of forming a stable bond with a substrate and cells which express the fusion protein. | 12-27-2012 |
| 20130012695 | PROCESS FOR THE MANUFACTURE OF CELLULOSE-BASED FIBRES AND THE FIBRES THUS OBTAINED - A method for the spinning of a fibre comprising cellulose nano-fibrils aligned along the main axis of the fibre from a lyotropic suspension of cellulose nano-fibrils, the nano-fibril alignment being achieved through extension of the extrude fibre from a die, spinneret or needle, wherein the fibre is dried under extension and the aligned nano-fibrils aggregate to form a continuous structure and wherein the suspension of nano-fibrils, which has a concentration of solids of at least 7% wt, is homogenised using at least a mechanical, distributive mixing process prior to its extrusion. The fibrils used in this method can be extracted from a cellulose-rich material such as wood. The invention also related to a cellulose-based fibre obtained according to this method and to a cellulose fibre which contains at least 90% wt of crystallised cellulose. | 01-10-2013 |
| 20130131332 | METHOD FOR PRODUCTION OF CELLULOSE NANO CRYSTALS FROM CELLULOSE-CONTAINING WASTE MATERIAL - A process is disclosed for recovering pure cellulose from a cellulose-containing sludge, the process comprising treating a sludge cellulose source under conditions permitting dissolution of non-cellulose material and suspension of the cellulose, wherein said dissolution conditions do not alter cellulose morphology. | 05-23-2013 |
| 20130137862 | CELLULOSE CROSSLINKED FIBERS MANUFACTURED FROM PLASMA TREATED PULP - Intrafiber crosslinked cellulose pulp fibers manufactured from a plasma-treated pulp sheet are provided. The provided fibers have lower knot content and increased wet bulk compared to an untreated pulp sheet. Methods for forming the fibers are also provided. | 05-30-2013 |
| 20130158250 | METHOD OF DEACIDIFYING CELLULOSE BASED MATERIALS - Provided are compositions and methods of deacidifying a cellulose-based material. The compositions include a hydrohalo-olefin and a deacidification agent dispersed within the hydrohalo-olefin. Cellulose-based materials are contacted with the composition for a sufficient time to increase the pH of the material. | 06-20-2013 |
| 20130184452 | WATERLESS DEGUMMING SYSTEM - A method and system for cleaning lignin and other gums from lignocellulosic fiber is disclosed. Lignocellulosic fiber is rapidly depressurized to a pressure lower than atmospheric pressure. The fiber is exposed to ionized air during the rapid depressurization. The fiber is then repressurized to a pressure equal to or greater than atmospheric pressure. | 07-18-2013 |
| 20130203981 | NOVEL METHOD TO PRODUCT MICROCELLULOSE - The present invention relates to a process for producing microcellulose comprising hydrolyzing fibrous cellulosic material with an acid at an elevated temperature or acidifying fibrous cellulosic material followed by washing and hydrolyzing the washed cellulosic material at an elevated temperature to produce a microcellulose-hydrolysate mixture followed by separation of the microcellulose from the hydrolysate, wherein the mixture or separated hydrolysate or microcellulose is optionally neutralized, and wherein the microcellulose production is integrated to production of a pulp mill such that at least part of chemicals used in the acidification, acid hydrolysis and/or neutralization is produced by an integrated chemical recovery process of the pulp mill. | 08-08-2013 |
| 20130296543 | METHOD FOR THE PRODUCTION OF SUBSTITUTED POLYSACCHARIDES VIA REACTIVE EXTRUSION - A reactive extrusion process for the production of substituted polysaccharides, in particular, cellulose acetate, starch acetate, carboxymethyl cellulose, and carboxymethyl starch. | 11-07-2013 |
| 20130296544 | METHOD FOR PRODUCING HYDROPHILIZED CELLULOSE FIBER, AND METHOD FOR REDUCING OXIDIZED CELLULOSE FIBER - This invention provides a method for hydrophilic cellulose fibers capable of inhibiting decrease in the degree of polymerization and whiteness degree of oxidized cellulose fibers in oxidized cellulose in which a carbon at position 6 of each glucose unit in the cellulose fiber starting material is oxidized to a carboxyl group, the method comprising (A) the step of performing dehalogenation together with reduction,
| 11-07-2013 |
| 20130303749 | METHOD AND A SYSTEM FOR PRODUCING NANOCELLULOSE, AND NANOCELLULOSE - A method and system for producing nanocellulose are provided. Cellulose is refined by a first refiner, the refined cellulose is separated by a first separator in such a manner that at least part of it belongs to an accepted fraction, water is removed from the accepted fraction by a precipitator and the accepted fraction is refined by a second refiner to produce nanocellulose. | 11-14-2013 |
| 20130331563 | METHOD FOR PRODUCING POROUS CELLULOSE BEADS - The objective of the present invention is to provide a convenient method for producing porous cellulose beads having high mechanical strength without using an auxiliary material which is highly toxic and corrosive and without a cumbersome and industrially adverse step. The method for producing porous cellulose beads according to the present invention is characterized in comprising the steps of mixing a cold alkaline aqueous solution and cellulose to prepare a cellulose dispersion and bringing the cellulose dispersion into contact with a coagulating solvent. | 12-12-2013 |
| 20140005375 | Medical Devices Based On Oxidized Cellulose | 01-02-2014 |
| 20140005376 | Dissolution of Oxidized Cellulose and Particle Preparation by Solvent and Non-Solvent Precipitation | 01-02-2014 |
| 20140005377 | Dissolution of Oxidized Cellulose and Particle Preparation by Dispersion and Neutralization | 01-02-2014 |
| 20140005378 | Dissolution of Oxidized Cellulose and Particle Preparation by Cross-Linking With Multivalent Cations | 01-02-2014 |
| 20140024823 | SOLVENT USED FOR DISSOLVING POLYSACCHARIDE AND METHOD FOR MANUFACTURING MOLDED ARTICLE AND POLYSACCHARIDE DERIVATIVE USING THIS SOLVENT - There is provided a solvent that can uniformly dissolve a polysaccharide within a short time period regardless of the crystal form of the polysaccharide and without requiring any special pretreatment. The solvent includes a tetraalkylammonium acetate represented by the below-indicated formula; and an aprotic polar solvent. A content of the aprotic polar solvent is 35 wt % or more. | 01-23-2014 |
| 20140058077 | METHOD FOR FABRICATING FIBER PRODUCTS AND COMPOSITES - Method for fabricating fiber and film products and composites includes: introducing an aqueous gel of nanofibrillar cellulose into a volume of organic extraction agent miscible with water so that the aqueous gel is kept as a separate phase and forms one or several discrete physical entities containing the nanofibrillar cellulose within the phase; changing water with the organic extraction agent in said one or several discrete physical entities of nanofibrillar cellulose; and drying the nanofibrillar cellulose by removing the organic extraction agent from the one or several discrete physical entities of nanofibrillar cellulose. In the method the aqueous gel of nanofibrillar cellulose is introduced into the volume of organic extraction agent in the form of one or several elongated elements which form a fiber-like or ribbon-like or film-like product after drying. | 02-27-2014 |
| 20140073773 | METHOD FOR PRODUCING ALKALI CELLULOSE - The present invention relates to a method for producing an alkali cellulose with suppressed decrease in the degree of polymerization as well as with small use amount of a basic compound, and to a method for producing a cellulose ether by using the alkali cellulose thus obtained. Provided by the present invention are: (A) a method for producing an alkali cellulose, comprising Step 1 wherein a cellulose-containing raw material is pulverized in the presence of 0.6 to 1.5 mol of a basic compound relative to 1 mol of an anhydroglucose unit that constitutes a cellulose in the said cellulose-containing raw material and under the condition in which the water content therein relative to the cellulose in the cellulose-containing raw material is 10% or less by mass thereby obtaining a cellulose powder mixture having the median diameter of the cellulose-containing raw material made 150 μm or less and Step 2 wherein water content therein is adjusted in the range of 30 to 100% by mass relative to the cellulose by adding water to the cellulose powder mixture thereby obtaining the alkali cellulose in the powder form; and (B) a method for producing a cellulose ether by reacting the alkali cellulose produced by the foregoing production method with an etherification agent. | 03-13-2014 |
| 20140073774 | PROCESS FOR TREATING CELLULOSE AND CELLULOSE TREATED ACCORDING TO THE PROCESS - The present invention relates to a process for purifying a slurry comprising cellulose, such as microfibrillated cellulose, wherein the process comprises the following steps: —providing a slurry comprising cellulose and liquid, —subjecting the slurry to an electric field inducing the liquid of the slurry to flow, —separating the liquid from the cellulose thus obtaining a liquid depleted slurry, —adding a washing liquid, such as an organic solvent, to the liquid depleted slurry—subjecting the liquid depleted slurry to an electric field inducing the washing liquid of the slurry to flow and—separating the washing liquid from the cellulose, thus obtaining a purified cellulose. The invention also relates to cellulose such as microfibrillated cellulose obtainable from said process. | 03-13-2014 |
| 20140081013 | METHOD FOR SOLUBILIZING CELLULOSE - Provided is a method for solubilizing cellulose in which cellulose can be solubilized in a short period of time with a low amount of excess decomposition and without the use of a catalyst or other chemicals. A starting material containing cellulose is pulverized to reduce the crystallization thereof, adjusted for moisture content, reacted with water in the absence of a catalyst, and converted into a water-soluble component. At this point, the reaction is performed at a temperature of 100° C. or more and less than 300° C., and a total pressure of 0.05 MPa or more and less than 10 MPa. Water is added and extracted from the water soluble component, and solid-liquid separation is performed to separate the solids and the aqueous solution. | 03-20-2014 |
| 20140088301 | PROCESS FOR TREATING MICROFIBRILLATED CELLULOSE AND MICROFIBRILLATED CELLULOSE TREATED ACCORDING TO THE PROCESS - The present invention relates to a process for dewatering a slurry comprising microfibrillated cellulose wherein the process comprises the following steps of, providing a slurry comprising microfibrillated cellulose and liquid, subjecting the slurry to an electric field inducing the liquid of the slurry to flow and separating the liquid from the microfibrillated cellulose. The invention also relates to microfibrillated cellulose dewatered according to the process. | 03-27-2014 |
| 20140114059 | METHOD AND A SYSTEM FOR MANUFACTURING CELLULOSIC MATERIAL - A method for manufacturing cellulosic material includes: introducing cellulose fibers as cellulosic raw material to a system, conveying the cellulose fibers to an extruder comprising a mixing part and/or a refining part, dosing at least one chemical to the system before the extruder and/or in the extruder and performing a reaction between the cellulose fibers and the chemical(s) at least partly in the extruder, wherein the reaction is performed at a consistency of at least 40%, and/or dosing at least one chemical to the system before the extruder and/or in the extruder and mixing the cellulose fibers and the chemical(s) in the mixing part of the extruder, wherein the mixing step is performed at a consistency of at least 40%, and/or refining the introduced cellulose fibers at least partly in the refining part of the extruder, wherein the refining step is performed at a consistency of at least 5%. | 04-24-2014 |
| 20140179912 | MANUFACTURING OF MICROCELLULOSE - The present invention relates to a process for producing microcellulose comprising a) acidifying fibrous cellulosic material, b) washing the acidified cellulosic material, c) optionally dewatering the washed cellulosic material, and d) hydrolyzing the washed or washed and dewatered cellulosic material under acidic conditions at a temperature of at least 120° C. and at a consistency of at least 8% on dry weight of the cellulose. | 06-26-2014 |
| 20140221640 | ANTITUMOR AGENT - The objective of the present invention is to provide a highly safe antitumor agent having excellent antitumor activity and few side effects. The antitumor agent of the present invention is characterized in that it contains cellobiose as an active ingredient. | 08-07-2014 |
| 20140249305 | METHOD FOR PRODUCING HYDROPHILIC CELLULOSE FIBER - The present invention provide a hydrophilized cellulose fiber producing method, comprising oxidizing cellulose fibers in a reaction solution containing a N-oxyl compound, an oxidizing agent, and a co-catalyst and oxidizing other cellulose fibers using the reaction solution again. | 09-04-2014 |
| 20140275513 | METHODS FOR DIGESTION OF CELLULOSIC BIOMASS SOLIDS IN THE PRESENCE OF A PHENOLIC SOLVENT GENERATED IN SITU FROM LIGNIN - Digestion of cellulosic biomass solids can be enhanced in the presence of a phenolic solvent. Methods for digesting cellulosic biomass solids can comprise providing cellulosic biomass solids in a digestion medium comprising water and an organic solvent; heating the cellulosic biomass solids and the digestion medium in a digestion unit in the presence of molecular hydrogen and a slurry catalyst capable of activating molecular hydrogen, thereby forming an alcoholic component and liberating lignin, the lignin forming a phenolics liquid phase partitioned from the digestion medium and at least a portion of the slurry catalyst accumulating in the phenolics liquid phase; removing at least a portion of the phenolics liquid phase and accumulated slurry catalyst from the digestion unit; converting at least a portion of the phenolics liquid phase into a phenolic solvent; and returning at least a portion of the phenolic solvent and the slurry catalyst to the digestion unit. | 09-18-2014 |
| 20140275514 | METHODS FOR DIGESTION OF CELLULOSIC BIOMASS SOLIDS IN THE PRESENCE OF A PHENOLIC SOLVENT - Digestion of cellulosic biomass solids can be enhanced in the presence of a phenolic solvent. Methods for digesting cellulosic biomass solids can comprise providing cellulosic biomass solids in a digestion medium comprising a phenolic solvent; and heating the cellulosic biomass solids and the digestion medium in a digestion unit in the presence of molecular hydrogen and a slurry catalyst capable of activating molecular hydrogen, thereby forming an alcoholic component derived from the cellulosic biomass solids and liberating lignin from the cellulosic biomass solids into the digestion medium. The methods can further comprise converting at least a portion of the lignin into a phenolic solvent and returning the phenolic solvent formed from lignin to the cellulosic biomass solids. | 09-18-2014 |
| 20140275515 | METHODS FOR DIGESTION OF CELLULOSIC BIOMASS SOLIDS IN THE PRESENCE OF A PHENOLIC SOLVENT GENERATED IN SITU FROM LIGNIN - Digestion of cellulosic biomass solids can be enhanced in the presence of a phenolic solvent. Methods for digesting cellulosic biomass solids can comprise providing cellulosic biomass solids containing up to about 50% water by mass in a digestion medium comprising about 50% or more of an organic solvent by volume; heating the cellulosic biomass solids and the digestion medium in a digestion unit in the presence of molecular hydrogen and a slurry catalyst capable of activating molecular hydrogen, thereby forming an alcoholic component derived from the cellulosic biomass solids and liberating lignin therefrom; wherein the digestion medium and the water form a biphasic mixture in which the alcoholic component, slurry catalyst, and lignin are contained; removing at least a portion of the biphasic mixture from the digestion unit; converting at least a portion of the lignin into a phenolic solvent; and returning the phenolic solvent to the digestion unit. | 09-18-2014 |
| 20140288296 | CELLULOSE FILMS WITH AT LEAST ONE HYDROPHOBIC OR LESS HYDROPHILIC SURFACE - A method for the production of cellulose films with at least one hydrophobic or less hydrophilic surface, or with at least one surface with a water contact angle (θ) in a range from 55° to less than 100° is described. The method involves contacting the cellulose material with a hydrophobic solid material during the preparation of the cellulose films or with a vapour of a non-polar or polar aprotic solvent during or after the preparation of the cellulose films. Examples of the cellulose material are cellulose filaments (CF) made to have at least 50% by weight of the filaments having a filament length up to 350 μm and a filament diameter between 100 and 500 nm from multi-pass, high consistency refining of wood or plant fibers, and commercially-available sodium carboxymethyl cellulose. Examples of the hydrophobic solid material are hydrophobic polymers, poly(methylpentene) and poly(ethylene). Examples of the non-polar solvent are hexane and toluene. Examples of the polar aprotic solvent are acetone and ethyl acetate. | 09-25-2014 |
| 20140357857 | POROUS STRUCTURES OF MICROBIAL-DERIVED CELLULOSE FOR IN VIVO IMPLANTATION - This invention relates to polysaccharide materials and more particularly to microbial-derived cellulose having the porosity and containing pores of the desired size making it suitable for cellular infiltration during implantation and other desirable properties for medical and surgical applications. The invention also relates to the use of porous microbial-derived cellulose as tissue engineering matrices, human tissue substitutes, and reinforcing scaffolds for regenerating injured tissues and augmenting surgical procedures. The invention outlines various methods during and after fermentation to create porous microbial cellulose capable of allowing cell infiltration while preserving the physical properties of the microbial-cellulose. | 12-04-2014 |
| 20140371442 | LOW VISCOSITY KRAFT FIBER HAVING REDUCED YELLOWING PROPERTIES AND METHODS OF MAKING AND USING THE SAME - A bleached softwood kraft pulp fiber with high alpha cellulose content and improved anti-yellowing is provided. Methods for making the kraft pulp fiber and products from it are also described. | 12-18-2014 |
| 20150057442 | METHOD AND APPARATUS FOR FIBRILLATION OF CELLULOSE CONTAINING MATERIALS - In a method for manufacturing fibril cellulose, cellulose based fibre raw material is processed mechanically in a refining gap for separating fibrils. The fibres to be refined are subjected to the action of a surface roughness Ra provided by grits elevated from a refining surface delimiting the refining gap, said surface roughness being lower than 3 μm, advantageously lower than 2 μm. The refining surface is formed by spraying grits and binder onto a substrate. | 02-26-2015 |
| 20150126728 | THE USE OF SURFACTANT TO TREAT PULP AND IMPROVE THE INCORPORATION OF KRAFT PULP INTO FIBER FOR THE PRODUCTION OF VISCOSE AND OTHER SECONDARY FIBER PRODUCTS - A surfactant treated bleached softwood kraft pulp fiber, useful as a starting material In the production of cellulose derivatives including cellulose ether, cellulose esters and viscose, is disclosed. Methods for making the kraft pulp fiber and products made from it are also described. | 05-07-2015 |
| 20150299738 | SULFITE PRETREATMENT FOR BIOREFINING BIOMASS - The present invention relates to a method using sulfite pretreatment to overcome recalcitrance of lignocellulose (SPORL). More specifically, it relates to a sulfite-based chemical process for pretreating biomass in solutions to reduce access barriers of enzymes to the lignocellulose, resulting in efficient conversion through enzymatic saccharification. | 10-22-2015 |
| 20150308017 | MIXING DRYING OF NANOFIBRILLATED POLYSACCHARIDE - A method for drying nanofibrillated polysaccharide to obtain a substantially dry nanofibrillated polysaccharide product, comprising the following steps: (i) providing an aqueous suspension of nanofibrillated polysaccharide; (ii) increasing the solid content of said suspension, thereby forming a high solid content microfibrillated cellulose suspension; and (iii) drying said high solid content microfibrillated cellulose suspension, through a simultaneous heating and mixing operation. | 10-29-2015 |
| 20150322097 | PROCESS FOR PREPARING AN ORGANOSILANE COMPOSITION - A process for preparing an organosilane composition includes reacting a) an organosilane and b) a polyoxyalkylene in the presence of c) a hydrosilylation catalyst. The organosilane a) is of the formula: (R | 11-12-2015 |
| 20150322170 | METHOD FOR PRODUCING DEWATERED MICROFIBRILLATED CELLULOSE - The present invention relates to a method for producing dewatered microfibrillated cellulose (MFC) comprising i) providing an aqueous MFC slurry, ii) optionally dewatering said MFC slurry by mechanical means to provide a partly dewatered MFC slurry, and iii) subjecting the MFC slurry or the partly dewatered MFC slurry to one or more drying operations by means of one or more absorbing materials to produce dewatered MFC. The produced MFC can be redispersed in water without deteriorating the material properties of the MFC. | 11-12-2015 |
| 20150376666 | BACTERIAL CELLULOSE AND BACTERIUM PRODUCING IT | 12-31-2015 |
| 20160032494 | HIGH-PERMEABILITY CELLULOSE FIBERS - High permeability curly fibers with enhanced fiber strength are produced by mercerizing cellulosic fibers. The fibers have relatively high values for curl, kink level, wet tensile strength, and bulk density when compared with current fibers. The disclosed fibers can be used in a wide range of applications including paper products such as filters. | 02-04-2016 |
| 20160053407 | Process for the production of shaped cellulose articles - A method of manufacturing a cellulose-based shaped article. The method comprises subjecting a solution of lignocellulosic material, dissolved in a distillable ionic liquid, to a spinning method, wherein the ionic liquid is a diazabicyclononene (DBN)-based ionic liquid. DBN-based ionic liquids have good dissolution power, high thermal and chemical stability, lack runaway reactions and exhibit low energy consumption, due to low spinning temperatures. The shaped cellulose articles can be used as textile fibres, high-end non-woven fibres, technical fibres, films for packaging, and barriers films in batteries, as membranes and as carbon-fibre precursors. | 02-25-2016 |
| 20160168790 | PROCESS FOR OBTAINING CELLULOSE | 06-16-2016 |
