Entries |
Document | Title | Date |
20080214796 | Method - A method for controlling the sodium and sulphur balance of a pulp mill while separating lignin from black liquor, and also a lignin product or an intermediate lignin product obtainable by the method. The present invention also provides use of a lignin product or an intermediate lignin product for the production of fuel (solid, gaseous or liquid) or materials. | 09-04-2008 |
20080293927 | METHOD FOR PREPARING PELLETED LIGNOCELLULOSIC ION EXCHANGE MATERIALS - The invention discloses a method for preparing pelleted lignocellulosic ion exchange materials for use in a variety of industrial and municipal water treatment applications. The method involves milling, sifting, binding, extruding, cutting, and baking steps. The resultant pellet is suitable for use in ion exchange columns and can be regenerated. | 11-27-2008 |
20090099345 | Carbon-Based Solid Acid, Catalyst Comprising the Solid Acid, and Reaction Using the Solid Acid as Catalyst - A carbon-based solid acid which has high activity and high thermal stability and is useful as an acid catalyst for various reactions such as hydration of olefins. | 04-16-2009 |
20090118477 | CONTINUOUS COUNTER-CURRENT ORGANOSOLV PROCESSING OF LIGNOCELLULOSIC FEEDSTOCKS - A modular process for organosolv fractionation of lignocellulosic feedstocks into component parts and further processing of said component parts into one or more of a de-lignified cellulose stream, a sugar stream, small-chain alcohol streams and four structurally distinct classes of lignin derivatives. The modular process comprises a first processing module configured for digesting lignocellulosic feedstocks with an organic solvent thereby producing a cellulosic solids fraction and a liquid fraction, a second processing module configured for recovering small-chain alcohols and optionally a first class of lignin derivatives from the cellulosic solids fraction, a third processing module configured for recovering from the liquid fraction at least one of a second class and a third class of lignin derivatives or mixtures thereof, and waste stream comprising a fourth class of lignin derivatives. The fourth processing module may optionally recover the fourth class of lignin derivatives. | 05-07-2009 |
20100081798 | METHOD FOR PRODUCING GLUCOSE BY ENZYMATIC HYDROLYSIS OF CELLULOSE THAT IS OBTAINED FROM MATERIAL CONTAINING LIGNO-CELLULOSE USING AN IONIC LIQUID THAT COMPRISES A POLYATOMIC ANION - The present invention relates to a process for preparing glucose from a lignocellulose-comprising starting material, in which this is firstly treated with an ionic liquid and subsequently subjected to an enzymatic hydrolysis. The invention further relates to a process for preparing microbial metabolites, especially ethanol, in which the glucose obtained is additionally subjected to a fermentation. | 04-01-2010 |
20100099856 | Single pot process for the regioselective synthesis of neolignan framework asarones - The present invention provides a single pot process for the regioselective synthesis of neolignan framework [3(R)-Ethyl-2(S)-methyl-3-(2″,4″,5″-trimethoxyphenyl)-1-(2′,4′,5′-trimethoxyphenyl)propane from toxic β-isomer rich asarone using montmorillonite acidic clay by employing microwave organic reaction enhancement (MORE) chemistry. This may be useful as versatile synthetic protocol for the synthesis of a large number of lignan and neolignan frameworks. | 04-22-2010 |
20100137568 | TRANSGENIC PLANTS CONTAINING SOLUBLE CELL WALL POLYSACCHARIDES - The present invention provides a bio-fuel, wood or other product, such as a paper, textile or yarn product. The product can contain material from a transgenic plant over-expressing a nucleic acid molecule encoding an enzyme that causes the plant cell wall to be more water soluble than the wild type. | 06-03-2010 |
20100240877 | Integrated system for producing value-added products from lignin produced in the manufacturing of cellulosic ethanol - A more efficient and economical production/processing/utilization system for managing waste lignin produced in the manufacturing of cellulosic ethanol. The process is also more environmentally sound as the multiple uses of a single feedstock on and off site result in a direct reduction of life cycle green house gas emissions. The resulting benefits of this type of co-location will also speed the commercialization for cellulosic bio fuel and help reduce our dependence on foreign oil. | 09-23-2010 |
20110003978 | METHOD FOR MODIFYING LIGNIN STRUCTURE USING MONOLIGNOL FERULATE CONJUGATES - Described is an isolated lignified plant cell wall including lignin, wherein the lignin includes a ferulate residue incorporated therein, such as from coniferyl ferulate and/or sinapyl ferulate. Also described is a method to make the isolated lignified plant cell wall, and the lignin produced by the method. | 01-06-2011 |
20110060133 | CELLULOSIC AND LIGNOCELLULOSIC STRUCTURAL MATERIALS AND METHODS AND SYSTEMS FOR MANUFACTURING SUCH MATERIALS - Methods of treating wood and wood products include irradiating untreated wood having a first molecular weight with ionizing radiation to cause an increase in the molecular weight of a cellulosic component of the wood to a second, relatively higher molecular weight. | 03-10-2011 |
20110105737 | METHOD FOR PRETREATING PLANT STARTING MATERIAL FOR THE PRODUCTION, FROM SACCHARIFEROUS AND LIGNOCELLULOSIC RESOURCES, OF BIOETHANOL AND OF SUGAR, AND PLANT - A method for pretreating plant starting material for the purpose of producing bioethanol and/or sugar via a common chamber ( | 05-05-2011 |
20110124846 | CELLULOSIC AND LIGNOCELLULOSIC STRUCTURAL MATERIALS AND METHODS AND SYSTEMS FOR MANUFACTURING SUCH MATERIALS - Methods of treating wood and wood products include irradiating untreated wood having a first molecular weight with ionizing radiation to cause an increase in the molecular weight of a cellulosic component of the wood to a second, relatively higher molecular weight. | 05-26-2011 |
20110251377 | IONIC LIQUID SYSTEMS FOR THE PROCESSING OF BIOMASS, THEIR COMPONENTS AND/OR DERIVATIVES, AND MIXTURES THEREOF - Disclosed herein are compositions and methods that involve ionic liquids and biomass. In one aspect, the disclosure relates to ionic liquid systems for the processing of biomass, their components and/or derivatives, and mixtures thereof. | 10-13-2011 |
20110263836 | METHOD FOR REDUCTION OF LIGHT-INDUCED YELLOWING OF LIGNIN-CONTAINING MATERIAL - A method for treating lignin-containing fibrous material to reduce its susceptibility to yellowing generally includes enzymatically stabilizing the lignin of the material with an oxidizing agent capable of oxidizing phenolic or similar groups, which may undergo reactions conductive to the formation of colored sites on the fibers, and treating the material with a fluorescent whitening agent. Also disclosed are lignin-containing materials obtained by the method. | 10-27-2011 |
20110294991 | PROCESS FOR RECOVERING LIGNIN - There is provided a process for recovery of lignin from a black liquor that contains either soluble or dispersed lignin, generating a “liquid lignin” at high yield. Soluble lignin at elevated pH is precipitated by reducing the pH of the black liquor stream by countercurrent reaction with carbon dioxide, at elevated temperature and pressure, creating two bulk fluid phases: a heavy lignin-rich phase and a light lignin-depleted phase. The heavy lignin-rich phase is separated and washed countercurrently with a strong acid to displace metal cations from the lignin, creating a low-salt lignin, which is then formed into a low-dust high-bulk-density lignin fuel pellet. If needed, especially for lignin recovered from kraft papermaking black-liquor streams, an oxidation step is included to eliminate negative odor for high-value green-chemistry applications. | 12-01-2011 |
20120108798 | Production Of Pure Lignin From Lignocellulosic Biomass - The present invention is directed to a process of producing substantially pure lignin from lignocellulosic biomass, which comprises: pre-treating a lignocellulosic feedstock to produce a reactive lignin-carbohydrate mixture; biologically-reacting the carbohydrates in the mixture, separating remaining solids from the liquid fermentation products, and drying the resulting solids to yield a substantially pure lignin product. Optionally, the lignin product may be washed and subjected to a second hydrolysis step. Optionally, the lignin product may be further processed by hydrotreating and/or pyrolysis in order to yield desirable products such as fuel additives. | 05-03-2012 |
20120172579 | REDUCTIVE BIOMASS LIQUEFACTION - The present invention provides methods, reactor systems, and catalysts for converting in a continuous process biomass to less complex oxygenated compounds for use in downstream processes to produce biofuels and chemicals. The invention includes methods of converting the components of biomass, such as hemicellulose, cellulose and lignin, to water-soluble materials, including lignocellulosic derivatives, cellulosic derivatives, hemicellulosic derivatives, carbohydrates, starches, polysaccharides, disaccharides, monosaccharides, sugars, sugar alcohols, alditols, polyols, diols, alcohols, ketones, cyclic ethers, esters, carboxylic acids, aldehydes, and mixtures thereof, using hydrogen and a heterogeneous liquefaction catalyst. | 07-05-2012 |
20120226029 | LOW Tg LIGNIN - Lignin has a weight average molecular weight of at least 6,000 daltons and comprising (a) from 2% to 10% of a low molecular component having a weight average molecular weight (M | 09-06-2012 |
20120289685 | CONTINUOUS COUNTER-CURRENT ORGANOSOLV PROCESSING OF LIGNOCELLULOSIC FEEDSTOCKS - A modular process for organosolv fractionation of lignocellulosic feedstocks into component parts and further processing of said component parts into at least fuel-grade ethanol and four classes of lignin derivatives. The modular process comprises a first processing module configured for physico-chemically digesting lignocellulosic feedstocks with an organic solvent thereby producing a cellulosic solids fraction and a liquid fraction, a second processing module configured for producing at least a fuel-grade ethanol and a first class of novel lignin derivatives from the cellulosic solids fraction, a third processing module configured for separating a second class and a third class of lignin derivatives from the liquid fraction and further processing the liquid fraction to produce a distillate and a stillage, a fourth processing module configured for separating a fourth class of lignin derivatives from the stillage and further processing the stillage to produce a sugar syrup. | 11-15-2012 |
20130085269 | PROCESS FOR THE SEPARATION OF LIGNINS AND SUGARS FROM AN EXTRACTION LIQUOR - A process for the separation of lignins and sugars from an extracted liquor, including, in the form of dry matter (DM), lignins and sugars, includes: a) concentrating the extracted liquor, in order to obtain a liquor having dry matter in a proportion of between 60 and 70%; b) mixing the concentrated liquor with water in equal parts by weight; c) stirring the mixture in order to disperse the lignins and to obtain a stable suspending of the lignins; d) filtering the solution, wherein the mixing is carried out by introducing the concentrated liquor into the water; and the temperature of the solution, during the suspending, is between 50° C. and 60° C. | 04-04-2013 |
20130131326 | PROCESS FOR PRODUCTION OF PRECIPITATED LIGNIN FROM BLACK LIQUOR AND PRECIPITATED LIGNIN PRODUCED BY THE PROCESS - The present invention relates to a process tor the production of precipitated lignin from black liquor wherein the process comprises the steps of providing a black liquor stream treating the black liquor at an increased temperature and precipitating the lignin from the heat treated black liquor. The present invention further relates to precipitated lignin produced according to the process and use of the precipitated lignin produced. | 05-23-2013 |
20130172540 | Compositions Comprising Lignin - Compositions comprising lignin and low levels of undesirable impurities, such as compounds containing sulfur, nitrogen, or metals, are disclosed. | 07-04-2013 |
20130203972 | CONTINUOUS METHOD FOR THE PRECIPITATION OF LIGNIN FROM BLACK LIQUOR - In a method for the continuous precipitation of lignin from black liquor black liquor is provided so as to flow as a pressurized flow in a reactor ( | 08-08-2013 |
20130211056 | CARBON FIBRE COMPOSITIONS COMPRISING LIGNIN DERIVATIVES - The present disclosure provides derivatives of native lignin suitable for production of carbon fibres wherein the derivatives of native lignin have a certain alkoxy content and/or a certain carbon content. The present lignin derivatives can have acceptable spinnability performance characteristics for producing carbon fibres having acceptable tensile strengths and acceptable modulus of elasticity. | 08-15-2013 |
20130289255 | METHOD TO INCREASE THE MOLECULAR WEIGHT OF WOOD MANNANS AND XYLANS COMPRISING AROMATIC MOIETIES - A method to increase the molecular weight of wood mannans and xylans comprising aromatic moieties comprises the steps: a) obtaining mannan and/or xylan from wood, b) subjecting the mannan/xylan to oxidizing conditions to convert at least a fraction of the aromatic groups into radicals and reacting said radicals with each other to obtain complexes of mannan/xylan with increased molecular weight. The method is easy and cost efficient and enables to upgrade small wood mannans and xylans that are important in the pulp and paper industry into larger mannans and xylans and more defined structures which makes their isolation easier and application areas broader. Another advantage is that separation of mannans and xylans from mannans and xylans with bound aromatic groups is provided. The wood mannans and xylans with increased molecular weight can be used for the manufacture of barrier films in packages, for instance for oxygen, liquids and gas. | 10-31-2013 |
20130338347 | CHEMICAL MODIFICATION OF LIGNIN AND LIGNIN DERIVATIVES - In one example implementation, a trans-esterified HPL can include a HPL and a polyester including polyester chains. The polyester may be an aliphatic polyester, a semi-aromatic polyester, or an aromatic polyester. | 12-19-2013 |
20140011984 | METHOD FOR MODIFYING LIGNIN STRUCTURE USING MONOLIGNOL FERULATE CONJUGATES - Described is an isolated lignified plant cell wall including lignin, wherein the lignin includes a ferulate residue incorporated therein, such as from coniferyl ferulate and/or sinapyl ferulate. Also described is a method to make the isolated lignified plant cell wall, and the lignin produced by the method. | 01-09-2014 |
20140121359 | PH-INDUCED FRACTIONATION PROCESSES FOR RECOVERY OF LIGNIN - There are provided processes for recovering a “heart-cut” liquid-lignin fraction from a lignin-containing stream such as a black liquor stream from a paper making process or the crude lignin stream within a non-destructive biomass conversion process by carbonating, acidifying and recovering the liquid-lignin fraction. The processes generally include reacting black liquor with a carefully selected amount of carbon dioxide (CO | 05-01-2014 |
20140187759 | BIOREFINING PROCESSES AND APPARATUS FOR SEPARATING CELLULOSE HEMICELLULOSE, AND LIGNIN FROM BIOMASS - The disclosed invention is a modification of the AVAP® technology, employing CO | 07-03-2014 |
20140200334 | PROCESS FOR TREATING LIGNIN - A process for recovery of lignin from black liquor that contains either soluble or dispersed lignin by generating a “liquid lignin” at high yield is disclosed. Soluble lignin at a high pH is precipitated by reducing the pH of the black liquor stream by countercurrent reaction with carbon dioxide, at elevated temperature and pressure, creating a heavy lignin-rich phase and a light lignin-depleted phase. The heavy lignin-rich phase is separated and washed countercurrently with a non-sulfur containing acid, such as acetic acid, to displace metal cations from the lignin, creating a low-salt lignin, which is then formed into a low-dust, high-bulk density lignin fuel pellet. If desired, an oxidation step may be used to eliminate odor for lignins having high value green chemistry applications. | 07-17-2014 |
20140200335 | CATALYTIC BIOMASS CONVERSION - A biorefining method of processing a lignocellulosic biomass to separate lignin and hemicellulose from cellulose includes the steps of (a) reacting the biomass in an aqueous slurry having a pH less than 7, comprising a transition metal catalyst, hydrogen peroxide; and (b) separating a solid cellulose fraction from dissolved lignin and hemicellulose fractions. The method may also be used to treat cellulose and produce microcrystalline or nanocrystalline cellulose. The transition metal catalyst may be a nanoparticulate catalyst including multivalent iron, iron oxides and iron hydroxides. The nanoparticulate catalyst may be formed by oxidizing a highly reduced solution of iron, such as groundwater that has not been exposed to oxygen. | 07-17-2014 |
20140243511 | Functionalized lignin and method of producing the same - In this study, commercially available softwood lignin was esterified with tall oil fatty acid (TOFA) and tested as barrier material in fiber-based packaging material. The modified lignin samples were applied with a bar coater forming an even coating on the paperboard substrate. A significant decrease in WVTR and OTR value was observed for paperboard coated with the modified lignin as well as pure TOFA used as a reference. In contrast to the TOFA coating, the modified lignin coatings exhibited a high and stable contact angle. The coating material did not affect the tensile strength of the paperboard. According to the results, the demonstration of the conversion of lignin into a value added product has been shown. Furthermore, the novel coating material shows promising properties for the development as sustainable barrier material in fiber-based packaging material to replace oil-placed barriers. | 08-28-2014 |
20140256920 | METHOD FOR SEPARATING LIGNIN FROM BLACK LIQUOR - A method was developed for: a) improving the filterability of acid-precipitated lignin from kraft black liquors, b) increasing the dry solids content of the final lignin product, c) reducing the acid requirements and d) minimizing or eliminating TRS emissions during the acidification of black liquor to produce lignin and/or the subsequent suspension of the lignin in acid and/or the washing of the lignin with acid. No major difference in the chemical composition, MWD and main functional groups was found in the lignin of the present invention compared with lignins produced by conventional methods. | 09-11-2014 |
20140275498 | METHOD FOR PRECIPITATING LIGNIN FROM BLACK LIQUOR BY UTILIZING WASTE GASES - The method is for separation of lignin from original black liquor. Lignin is precipitated in a first acidification stage followed by dewatering a first lignin suspension while forming a first filter cake. The first lignin filter cake is suspended in a second acidification stage whereupon a second lignin suspension is obtained. The second lignin suspension is dewatered to form a second filter cake. The second filter cake is washed and the washed second lignin cake is dewatered to obtain a lignin product. Waste gases from the second acidification stage is recirculated back to the first acidification stage and mixed with the original black liquor. | 09-18-2014 |
20140275499 | METHOD FOR PRODUCTION OF DRY HYDROLYTIC LIGNIN - A method of drying hydrolytic lignin is provided. The hydrolytic lignin may be dried using a pre-drying step, followed by an additional drying step in a drying apparatus. The dry hydrolytic lignin powder may have a moisture content of below 30%. | 09-18-2014 |
20140275500 | METHOD FOR PRODUCTION OF DRY HYDROLYTIC LIGNIN - A method of drying hydrolytic lignin is provided. The hydrolytic lignin may be dried using a pre-drying step, followed by an additional drying step in a drying apparatus. The dry hydrolytic lignin powder may have a moisture content of below 30%. | 09-18-2014 |
20140275501 | High Purity Lignin, Lignin Compositions, and Higher Structured Lignin - Disclosed are lignins and lignin compositions having high purity. Also disclosed are lignins having unique structural characteristics, including less structural degradation than conventional lignins. | 09-18-2014 |
20140288284 | METHOD FOR LIGNIN SEPARATION FROM BLACK LIQUOR COMPRISING MULTIPLE ACIDIFICATION STEPS - The method is for separation of lignin from original black liquor (BL | 09-25-2014 |
20140288285 | PROCESS FOR OBTAINING LOW MOLECULAR LIGNIN (LML) - A process for obtaining resin or plastics using a lignocellulosic material by treating a lignocellulosic material with an aqueous extraction solution having a content of a C | 09-25-2014 |
20140329999 | METHOD FOR WORKING UP AN AQUEOUS LIGNIN CONTAINING SOLUTION - A method for working up an aqueous, alkaline-alcoholic and lignin containing solution via nanofiltration, wherein a permeate and a retentate are obtained, which permeate is an aqueous, lignin-starved solution and which retentate is an aqueous lignin-enriched solution | 11-06-2014 |
20150018536 | METHOD FOR PROCESSING OF CARBON DIOXIDE CONTAINED IN AN EXHAUST GAS FLOW - A method for processing carbon dioxide contained in an exhaust gas flow. The exhaust gas flow is brought in contact in a drying and cooling chamber with a moistened porous silicate material and admixed aluminum hydroxide and/or hydrated aluminum oxide and/or optionally other metal oxidizers to produce a basic aqueous medium and to destabilize the carbon dioxide, and cooled. The amount of aluminum hydroxide and/or hydrated aluminum oxide to be added is controlled via a continuous pH value measurement, after which the aqueous medium is fed to a subsequent prechamber, which is supplied with material containing oxidizable alkaline earth and/or heavy metal, in which neutralization of the aqueous medium containing ionized carbon occurs. The formed alkaline earth and/or heavy metal oxide is discharged from the prechamber and the aqueous medium containing ionized carbon is then fed to a main chamber equipped with material consisting of and/or containing organic carbon compounds. | 01-15-2015 |
20150025229 | 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. | 01-22-2015 |
20150045543 | ISOLATION METHOD FOR WATER INSOLUBLE COMPONENTS OF A BIOMASS AND PRODUCTS PROVIDED THEREFROM - The process includes pretreating the biomass with a first basic solution such as sodium hydroxide and mechanically altering the fibers to provide a fluidized biomass. The fluidized biomass is then subjected to high frequency pulses and shear forces without denaturing the individual components of the biomass. The biomass is then subjected to compressive force to separate a first liquid fraction from a first fractionated biomass. The first fractionated biomass may again then be subjected to the same high frequency pulses and shear forces as previously, particularly if there are hemicellulose and/or sugars still present in the first fractionated biomass. Compressive forces are used to separate a second liquid fraction from a second fractionated biomass. The second fractionated biomass is subjected to oxidation such as with hydrogen peroxide at a pH of 8 to 12. The second fractioned biomass is then subjected to compressive forces to separate one or more water insoluble components of the biomass in water soluble form. | 02-12-2015 |
20150073131 | METHOD FOR PRODUCING BIOBASED CHEMICALS FROM PLANT LIGNIN - The present invention is directed generally to a method of production of value-added, biobased chemicals from lignin sources, including waste lignin. A method of producing biobased aromatic chemicals, biobased aromatic fuels, and/or lignin residues from lignin is also described herein. | 03-12-2015 |
20150099867 | CELLULOSE HYDROLYSIS VIA MODIFIED LIGNOSULFONATE CATALYSTS - Biopolymer catalysts, methods of synthesizing a biopolymer catalyst, and methods of catalyzing the hydrolysis of cellulose with a biopolymer catalyst are described. | 04-09-2015 |
20150119559 | METHOD FOR LIGNIN SEPARATION FROM BLACK LIQUOR - The method is for separation of lignin from original black liquor (BL | 04-30-2015 |
20150307784 | CONTINUOUS LIQUID FUEL PRODUCTION METHODS, SYSTEMS, AND DEVICES - Methods, systems, and devices for continuous fuel production are provided. Some embodiments may utilize two pyrolysis platforms, which may utilize biomass as a feedstock. One platform may generally utilize a high temperature pyrolysis process that may generate at least hydrogen and carbon monoxide. This high temperature gas stream may be fed into a lower temperature fast pyrolysis stream as a cover gas. The hot cover gas may react with the fast pyrolysis vapors hydrotreating while the vapors may still be hot and the molecules may still be small. The reacted product may then be distilled on the cool down. This may provide a rapid continuous process for the production of liquid fuels from biomass or other compounds that include carbon-oxygen-hydrogen (C—O—H) compounds. | 10-29-2015 |
20150322104 | METHOD FOR PRODUCING HIGH PURITY LIGNIN - The method is for separation of lignin from original black liquor (BL | 11-12-2015 |
20150322214 | RENEWABLE AROMATICS FROM LIGNOCELLULOSIC LIGNIN - The present invention provides novel and improved processes for treating a lignocellulosic biomass or technical lignin using ionic liquids to obtain lignin breakdown products. | 11-12-2015 |
20150367308 | METHOD AND DEVICE FOR PRETREATMENT OF BIOMASS FOR CONVERSION TO ENERGY - The present invention describes a method and device for pretreatment of organic material, more specific bio mass, for energy conversion, where said method comprises a first preheating step with a preheating vessel ( | 12-24-2015 |
20160115281 | LIGNIN PRODUCT AND PROCESS FOR MAKING SAME - There is provided a process for recovery of lignin from black liquor that contains either soluble or dispersed lignin, generating a “liquid-lignin” at high yield. Lignin at elevated pH is precipitated by reducing the pH of the black liquor stream with carbon dioxide, at elevated temperature and pressure, creating two bulk fluid phases: a dense liquid-lignin phase and a light lignin-depleted phase. The dense liquid-lignin phase is separated and washed with a strong acid to displace metal cations from the lignin, creating a low-salt, randomly shaped lignin. If needed, especially for lignin recovered from kraft papermaking black-liquor streams, an oxidation step is included to eliminate negative odor for high value green chemistry applications. | 04-28-2016 |
20160168335 | ALKOXYLATED HUMUS MATERIAL COMPOSITIONS AND METHODS OF MAKING SAME | 06-16-2016 |
20160200754 | METHOD FOR EXTRACTING LIGNIN FROM BLACK LIQUOR AND PRODUCTS PRODUCED THEREBY | 07-14-2016 |
20160251672 | Modified plants and methods for producing modified lignin by modulating expression of acyltransferases | 09-01-2016 |