Class / Patent application number | Description | Number of patent applications / Date published |
536030000 | Cellulose derivatives | 21 |
20090312535 | CELLULOSE RESIN FILM AND METHOD FOR PRODUCING THE SAME - There is provided a method for producing a high-quality cellulose resin film which has fewer foreign matter-related faults, and therefore is excellent for optical applications. The method for producing a cellulose resin film, includes the steps of: melting a cellulose resin fed from a hopper in an extruder; feeding the molten resin from the extruder into a die; extruding the molten resin from the die to form a sheet; and cooling and solidifying the sheet, wherein the sheet has 30 or less foreign matters of 30 μm or larger in size per square meter and 100 or less foreign matters of 5 μm or larger in size per square meter. | 12-17-2009 |
20110065910 | CARBOHYDRATES - Carbohydrates having functional groups, such as carboxylic acid groups and methods of making such carbohydrates. | 03-17-2011 |
20110319607 | Method For The Microbial Production Of A Body Containing Cellulose - The invention relates to a method for producing a body ( | 12-29-2011 |
20130172544 | NANO-DEAGGREGATED CELLULOSE - Disclosed are methods and systems for treating cellulose to make it more accessible for enzymatic or chemical modification. The invention includes treating cellulose with an alkali in an alcohol/water co-solvent system. The treatment decrystallizes or deaggregates the cellulosic material. The methods and systems increase the efficiency of enzymatic or chemical modifications of cellulose for use as biofuels or cellulose derivatives. | 07-04-2013 |
20140316128 | Preparation Of Oligosaccharides Containing Amine Groups - Described are oligo- and polysaccharides containing amine groups. Specifically, described is a new process to manufacture cationic cellulose oligomers. The new cationic oligo- or polysaccharides are useful ingredients in various aqueous compositions, inter alia as ingredients for personal care compositions. | 10-23-2014 |
20140323713 | BIO-DEGRADABLE MATERIAL AND METHOD - The invention comprises a method of preparing moldable biodegradable composites containing a diamine cross-linked cellulose alkyl ester. The novel composite can be compression molded to form biodegradable composite (materials)s in the form of useful articles such as cups, planters and the like. | 10-30-2014 |
536031000 | Nitrogen containing hetero ring (e.g., morpholine, etc.) | 3 |
20110184164 | Pathogen-Resistant Fabrics - A pathogen-resistant fabric comprising one or more photocatalysts capable of generating singlet oxygen from ambient air. The pathogen-resistant fabric may optionally include one or more singlet oxygen traps. | 07-28-2011 |
20140114058 | CROSS-LINKED POLYSACCHARIDE DERIVATIVES - The invention relates to substantially photochemically or thermally cross-linked polysaccharide derivatives in which the OH groups as OR groups have been esterified or converted into carbamate (urethane) or mixtures thereof and that do not contain photopolymerisable functional groups prior to the cross-linking. They can be used as carrier materials for the chromatographic separation of enantiomers. | 04-24-2014 |
20160031911 | COVALENT TETHERING OF FUNCTIONAL GROUPS TO PROTEINS - 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. 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. | 02-04-2016 |
536032000 | Esters | 5 |
20110098463 | CELLULOSE DERIVATIVE AND METHOD FOR PRODUCING THE SAME, CELLULOSE RESIN COMPOSITION, MOLDED MATTER AND METHOD FOR MAKING THE SAME, AND ELECTRICAL AND ELECTRONIC EQUIPMENT HOUSING - A cellulose derivative obtained from cellulose by substitution of hydrocarbyl groups ranging in carbon number from 1 to 7 and aliphatic acyl groups ranging in carbon number from 4 to 11 for at least part of the hydrogen atoms of hydroxyl groups contained in the cellulose. The cellulose derivative can exhibit good thermal plasticity, strength, heat resistance and mold working suitability. | 04-28-2011 |
20120165516 | FILLER FOR OPTICAL ISOMER SEPARATION - A filler for optical isomer separation which: allows a polymer compound derivative to be immobilized on the surface of a carrier at a high ratio and is excellent in optical separation ability. The filler is characterized in that the filler is obtained by modifying part of the hydroxy or amino groups of a polymer compound having hydroxy or amino groups with molecules of a compound represented by the following general formula (I): A-X—Si(Y) | 06-28-2012 |
20140155589 | INHIBITORY FIBER AGAINST VIRULENCE FACTORS PRODUCTION AND METHOD FOR PRODUCING SAME - The inhibitory fiber against virulence factors production of the present invention comprises a fiber and an inhibitor of virulence factors production fixed to the fiber by chemical bonding. The inhibitor of virulence factors production includes at least one compound selected from the group consisting of a phosphate group-containing compound, a carboxylic acid group-containing compound, and a ketone group-containing compound. The production method of the present invention comprises: irradiating the fiber with an electron beam; and bringing into contact with the fiber at least one compound selected from the group consisting of a phosphate group-containing compound, a carboxylic acid group-containing compound, and a ketone group-containing compound to chemically bond the at least one compound to the fiber. Another production method of the present invention comprises: bringing an aqueous solution containing phosphoric acid and urea into contact with the cellulose fiber to chemically bond phosphoric ester to the cellulose fiber. | 06-05-2014 |
20150031873 | PROCESS OF PREPARING AN ESTER OF A CELLULOSE ETHER - A reaction product mixture is obtained from a reaction of (a) a cellulose ether with (b) an aliphatic monocarboxylic acid anhydride or with a di- or tricarboxylic acid anhydride or with a combination of an aliphatic mono-carboxylic acid anhydride and a di- or tri-carboxylic acid anhydride in the presence of (c) an aliphatic carboxylic acid. A process for precipitating an esterified cellulose ether from this reaction product mixture comprises the step of contacting the reaction product mixture with water and subjecting the combination of water and the reaction product mixture to a shear rate of at least 800 s | 01-29-2015 |
536035000 | Nitrates | 1 |
536037000 | With pretreatment process | 1 |
20110230655 | PROCESS FOR REGENERATING OR DERIVATIZING CELLULOSE - A process is disclosed for regenerating or derivatizing cellulose. The process comprises the steps of providing a source of unrefined cellulose, and dissolving the unrefined cellulose in a molten inorganic salt. | 09-22-2011 |
536043000 | Ethers | 7 |
20110218336 | METHOD OF PRODUCING SILANE-MODIFIED CATIONIZED CELLULOSE - A method of producing silane-modified cationized cellulose that has excellent aqueous dispersibility, including: a step (1) of cationizing water-soluble cellulose ether in a presence of alkali in a mixed solvent of a water-compatible organic solvent to obtain slurry comprising cationized cellulose; a step (2) of adding acid to said slurry and neutralizing said alkali; a step (3) of reacting said cationized cellulose obtained after said neutralization with an aminosilane compound and a step (4) of drying the obtained slurry, wherein: drying is conducted in step (4) at 115-160° C. until weight loss on drying is 5% by weight or less, or there is also including a step (5) of adding a water-compatible organic solvent or a mixed solvent of a water-compatible organic solvent and water to the cationized cellulose after the neutralization so that water content in a whole solvent that contacts the cationized cellulose is 10% by mass or less. | 09-08-2011 |
20120065388 | SILANE-MODIFIED CATIONIZED POLYMERIC COMPOUND AND PROCESS FOR PRODUCTION THEREOF - A process for producing a silane-modified cationized polymeric compound, the process including the steps of: (1) cationizing a water-soluble polymeric compound in a mixed solvent of a water-miscible organic solvent and water in the presence of an alkali to produce a slurry containing a cationized polymeric compound, (2) adding an aminosilane compound to the slurry or a cake produced therefrom, thereby treating the cationized polymeric compound with the aminosilane compound, (3) optionally adding an acid to the slurry obtained in step (1) or a product obtained in step (2), and (4) drying a product obtained in step (2) or a product obtained by performing step (3) after step (2), wherein the drying step (4) includes a primary drying treatment step of performing drying at a temperature of 50 to 140° C. under a degree of vacuum of 4.0 to 53.3 kPa, and a secondary drying treatment step of drying the product obtained following the primary drying treatment at a temperature of 90 to 155° C. The process enables a silane-modified cationized polymeric compound having excellent water dispersibility to be produced with good efficiency. | 03-15-2012 |
20120095202 | PROCESSES FOR CROSS-LINKING CELLULOSE ETHERS UNDER MILD CONDITIONS - The present technology provides processes for cross-linking cellulose ethers under mild conditions. The processes include exposing a substantially dry cellulose ether film to a polyisocyanate to provide a cross-linked cellulose ether film, wherein the substantially dry cellulose ether film comprises alkoxide groups on the cellulose. The resulting cellulose ether films are highly cross-linked by polyurethane linkages and may be used as membranes in a variety of applications. | 04-19-2012 |
20130217872 | METHOD FOR PRODUCING COMPOSITE GEL BY CROSS-LINKING HYALURONIC ACID AND HYDROXYPROPYL METHYLCELLULOSE - A method for covalently cross-linking hyaluronic acid (HA) and hydroxypropyl methylcellulose (HPMC) by a diepoxide crosslinking agent. The method includes the following steps: a) mixing HA and HPMC in water; b) adding an alkali as a catalyst and a diepoxide as a crosslinking agent; c) neutralizing with hydrochloric acid and dehydrating with ethanol and acetone; and d) drying in vacuum and redissolving in water to obtain an HA-HPMC composite gel. | 08-22-2013 |
20140094599 | Cellulose ethers having reactive anchor group, modified cellulose ethers obtainable therefrom and methods for the preparation thereof - Non-ionic water-soluble cellulose ethers modified with 3-azido-2-hydroxypropyl groups bound via an ether link are provided having a molar degree of substitution MS | 04-03-2014 |
20150307630 | PROCESS FOR PRODUCING HYDROXYALKYL CELLULOSES - The present invention relates to (1) a process for producing a hydroxyalkyl cellulose having an excellent water-solubility while maintaining a high reaction selectivity by adding a basic compound and an alkyleneoxide to a cellulose to conduct a reaction therebetween in which the basic compound is added in a total amount of from 0.3 to 1.5 mol per 1 mol of an anhydroglucose unit in the cellulose, and the alkyleneoxide is added in a total amount of from 1.0 to 3.0 mol per 1 mol of an anhydroglucose unit in the cellulose, the process including a step of adding the basic compound in an amount of from 50 to 95% of the total amount of the basic compound to be added during the process, and then adding the alkyleneoxide in an amount of from 30 to 80% of the total amount of the alkyleneoxide to be added during the process to react the compounds with the cellulose, thereby obtaining a reaction mixture; and a step of adding a remaining amount of the basic compound and a remaining amount of the alkyleneoxide to the reaction mixture obtained in the previous step to conduct a reaction therebetween; (2) a hydroxyalkyl cellulose produced by the process; and (3) a process for producing a cationized hydroxyalkyl cellulose using the resulting hydroxyalkyl cellulose. | 10-29-2015 |
536044000 | Mixed ethers | 1 |
20130005957 | METHOD FOR PRODUCING CATIONIZED CELLULOSE AND METHOD FOR PRODUCING CATIONIZED HYDROXYALKYL CELLULOSE - A production method of a cationized cellulose or a cationized hydroxyalkylcellulose, including step 1 for adding a cationizing agent to cellulose and mechanically decrystallizing the cellulose and step 2 for adding a basic compound to the mixture obtained in step 1 and mechanically decrystallizing the cellulose, or a production method of a cationized cellulose or a cationized hydroxyalkylcellulose, including a step 3 for adding a basic compound to cellulose and mechanically decrystallizing the cellulose and step 4 for adding a cationizing agent to the mixture obtained in step 3 and mechanically decrystallizing the cellulose. The cellulose and the cationizing agent are allowed to react with each other in step 2 or step 4. | 01-03-2013 |