Patents for D21C 3 - Pulping cellulose-containing materials (5,020)
02/2012
02/01/2012CN101748642B 一种邮资票品专用防伪宣纸、邮资票品及其生产方法 A postage stamps dedicated security rice paper, postage stamps and production method
01/2012
01/26/2012WO2012010750A2 Method for producing sugars from lignocellulosic biomass pretreated with a mixture of hydrated inorganic salts and metal salts
01/26/2012WO2012010749A2 Method for producing sugars from lignocellulosic biomass pretreated with hydrated inorganic salts
01/26/2012CA2801831A1 Method for producing sugars from lignocellulosic biomass pretreated with a mixture of hydrated inorganic salts and metal salts
01/25/2012EP2408721A1 Composition for inhibiting calcium salt scale formation
01/25/2012CN102333920A Improved fibre furnish
01/25/2012CN101760989B Mixed pulp with high opacity, air permeability and tearing index and cultural paper prepared from the same
01/25/2012CN101451313B Method for preparing bleached chemical pulp by using grass type plants as raw materials
01/24/2012US8101024 Removal of minerals from cellulosic biomass
01/24/2012CA2447533C Method and aqueous composition for the production of improved pulp
01/18/2012EP2406291A1 A shaped cellulose manufacturing process combined with a pulp mill recovery system
01/18/2012CN102325890A Method and apparatus for conveying cellulosic feedstock
01/18/2012CN102321992A Agent for recycling straws by using biologically cold fermentation method and process for producing plant fibers by using straws with biologically cold fermentation method
01/18/2012CN102321990A Method for preparing bamboo pulp with full liquid phase pre-hydrolytic sulfate rapid displacement cooking
01/18/2012CN102002875B Method for preparing microcrystalline cellulose by using carrot pomace
01/12/2012WO2011138355A3 Method for producing pulp and at least one organic liquid or liquefiable valuable material with exhaust gas recycling
01/12/2012WO2011126613A3 Methods to reduce metals content of bleached pulp while reducing bleaching cost in a chemical pulping process
01/12/2012WO2011104196A3 Method for deaerating liquids
01/12/2012US20120009661 Process for producing cellulose gel dispersion
01/12/2012US20120006321 Arundo donax hemicellulose recovery process
01/11/2012CN102312386A Boiling method for preparing dissolving pulp by use of bleached chemical paper pulp
01/11/2012CN101457494B Production method of bamboo chemical dissolving pulp
01/11/2012CN101215795B Sulfuric acid catalysis ethanol pulp preparing technique for ryegrass
01/10/2012US8092647 Method for treating lignocellulosic materials
01/05/2012WO2012000093A1 Organosolv process
01/05/2012US20120000620 Small animal bedding material
01/05/2012US20120000618 Reduction of fiber knots of cellulose crosslinked fibers by using plasma pre-treated pulpsheets
01/05/2012CA2803177A1 Organosolv process
01/04/2012CN101638866B Natural color paper for wiping hands and preparation method thereof
01/04/2012CN101122101B Processes and systems for the pulping of lignocellulosic materials
12/2011
12/29/2011CA2805451A1 Method of dissolving lignocellulosic materials
12/28/2011CN101748632B 一种纸品浆料的成浆工艺 One kind of paper pulp into pulp process
12/28/2011CN101451315B 一种禾草类秸秆综合利用方法 Straw utilization method grasses
12/28/2011CN101397762B 一种纸浆制造工艺及材料预处理器 One kind of pulp manufacturing processes and materials preprocessor
12/25/2011CA2744961A1 Method for preparing nonwood fiber paper
12/21/2011EP2397501A1 Method for producing cellulose diacetate from bamboo fibers
12/21/2011EP2396465A2 Methods for producing biomass-based fuel with pulp processing equipment
12/20/2011US8080128 Method for increasing the concentration of xylose in lignocellulosic hydrolysate
12/15/2011WO2011156708A1 Method of manufacturing pulp for corrugated medium
12/15/2011WO2011154967A1 Process for fractionation of biomass
12/15/2011WO2011128481A3 Method for the industrial exploitation of the stubble of plants rich in pith
12/15/2011CA2802237A1 Method of manufacturing pulp for corrugated medium
12/15/2011CA2800996A1 Process for fractionation of biomass
12/14/2011CN102277786A 一种双胶纸或静电复印纸的制备方法 Preparation method of offset paper or xerographic paper
12/14/2011CN102277775A 用姜苗制造纸浆的方法及其用该方法制成的纸浆 Methods of manufacturing pulp and ginger seedlings pulp made by this method
12/14/2011CN102277762A 利用漂白木浆板生产溶解浆的工艺 Use of dissolving pulp production process bleached pulp board
12/14/2011CN102277761A 一种制备低聚木糖和纸浆的方法 A process for preparing XOS and pulp
12/14/2011CN102277760A 纸浆生产过程中的预处理方法 Pulp production process pretreatments
12/14/2011CN102277759A 改性造纸级木浆生产工艺 Modified paper grade pulp production process
12/14/2011CN101223288B 改进的对木质纤维素材料快速酸水解的方法和水解反应器 Improved for rapid acid hydrolysis of lignocellulosic material and a method hydrolysis reactor
12/08/2011WO2011150436A1 Process for improved processibility of hydrothermolyzates of lignocellulosic material
12/08/2011US20110300586 Two-Stage Process for Biomass Pretreatment
12/07/2011CN202064221U 一种聚电解质在纸浆纤维表面进行多层自组装反应的装置 A polyelectrolyte multilayer pulp fiber surface self-assembly reaction device
12/07/2011CN102268833A 一种农作物秸秆蒸汽爆破预水解硫酸盐法制备溶解浆的方法 One kind of crop stalks steam explosion method prehydrolysis kraft pulp prepared by dissolving legal
12/07/2011CN102268827A 基于氯化铁预处理的烟草纤维素提取方法 Tobacco cellulose extraction method based on ferric chloride pretreatment
12/07/2011CN102268826A 一种组合制浆方法 A combination pulping
12/07/2011CN102268825A 一种化学热磨机械浆的强化预浸渍方法 Reinforced prepreg method chemithermomechanical pulp
12/07/2011CN101583758B 用于制造可溶性纸浆的竹片制造方法及其竹片 Soluble pulp used in the manufacture of bamboo and bamboo manufacturing method
12/07/2011CN101265675B 一种环境友好型缓冲包装材料及其制备方法 An environmentally friendly cushion packaging material and method
12/06/2011US8071350 Amylases, nucleic acids encoding them and methods for making and using them
11/2011
11/30/2011EP2389480A1 Method and apparatus for conveying a cellulosic feedstock
11/30/2011EP2389445A1 Method and apparatus for conveying a cellulosic feedstock
11/30/2011CN101659760B 一种沼渣纤维地膜及其制造方法 One kind of fiber mulch biogas and its manufacturing method
11/29/2011US8066846 Composition and process for the treatment of fibre material
11/24/2011US20110287681 Textiles and Process for Making Textiles and Dyes from Tobacco Plants
11/24/2011US20110287275 Ligno cellulosic materials and the products made therefrom
11/24/2011US20110284175 Increasing alkaline pulping yield for softwood with metal ions
11/23/2011CN102257212A Organosolv and ozone treatment of biomass to enhance enzymatic saccharification
11/23/2011CN102257164A Process of producing xylose and dissolving pulp
11/23/2011CN102257151A Organic solvent pretreatment of biomass to enhance enzymatic saccharification
11/23/2011CN102257150A Organic solvent pretreatment of biomass to enhance enzymatic saccharification
11/23/2011CN102251423A Continuous displacement and digestion process for dissolving pulp
11/23/2011CN102251422A Method for producing ultrahigh-viscosity refined cotton
11/23/2011CN102251421A Method for producing dissolving pulp from bamboo
11/23/2011CN102250256A Preparation method of carboxymethyl cellulose
11/23/2011CN101806005B Paper pulp making method capable of reducing large amount of waste liquid and lowering consumption of materials
11/17/2011WO2011113126A3 Process for producing modified cellulose pulps, cellulose pulp thus obtained and use of biopolymer for producing cellulose pulps
11/16/2011EP2386578A2 Method of preventing or reducing aluminosilicate scale in industrial processes
11/16/2011CN102245831A Method for preventing clogging in a strainer construction for a continuous digester
11/16/2011CN102245830A Method for producing a fibrous semifinished product from cellulose-containing materials and line for implementing same
11/16/2011CN102242520A Method for making Tibetan paper by hand
11/16/2011CN102242512A Environmentally-friendly paper making and pulping technique and system with high yield
11/16/2011CN102241888A Lasting mutually promoting and win-win developing implementation scheme for wood plastic production, resource exploitation and environment protection
11/16/2011CN101806006B Method for treating paper pulp by using 1-butyl-3-methylimidazole chloride
11/16/2011CN101736629B Hot-pressing tympan paper and manufacturing method thereof
11/16/2011CN101581050B Method for degumming and pulping for broussonetia papyrifera bast fiber
11/16/2011CN101171386B Chlorine dioxide treatment composition and method
11/10/2011WO2011138634A1 Method and system for high alpha dissolving pulp production
11/10/2011WO2011138633A1 Method and system for pulp processing using cold caustic extraction with alkaline filtrate reuse
11/10/2011WO2011138356A1 Process for preparing synthesis gas and at least one organic, liquid or liquefiable value product
11/10/2011US20110272110 Method and system for high alpha dissolving pulp production
11/09/2011EP2384364A1 Organic solvent pretreatment of biomass to enhance enzymatic saccharification
11/09/2011CN102239186A Processing of biomass
11/09/2011CN102234949A Bamboo dissolved pulp manufacturing process capable of reducing discharge of adsorbable organic halides (AOX) and dioxin
11/09/2011CN101899403B Pectobacterium carotovorum and applications thereof in bio-pulping
11/09/2011CN101748635B Method for preparing slurry by replacement cooking
11/08/2011US8052840 Pulping additives for a reduction of resin from Kraft pulp
11/04/2011CA2744250A1 Method and system for pulp processing using cold caustic extraction with alkaline filtrate reuse
11/04/2011CA2707330A1 Method and system for high alpha dissolving pulp production
11/03/2011WO2011134746A1 Antifoam compositions
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