D21C 3 - Pulping cellulose-containing materials

Patents for D21C 3 - Pulping cellulose-containing materials (5,020)
11/2011
11/03/2011	WO2011103180A3 Process for hydrolysis of wet fiber and method for producing fermentation products from wet fiber
11/03/2011	US20110268652 Method for the integrated production of cellulose and low-molecular-weight reusable materials
11/03/2011	DE102010028306A1 Entschäumerzusammensetzungen Defoamer
11/02/2011	CN102230286A Process for manufacturing bamboo dissoluble pulp without discharging AOX and dioxin
11/02/2011	CN102230285A Pulping system and pulping method for environment-friendly mechanical pulp and chemical mechanical pulp of non-woody crops
11/01/2011	US8048264 Composition and process for the treatment of fibre material
10/2011
10/28/2011	CA2737709A1 Pulp bleaching and alkaline extraction method
10/27/2011	US20110263836 Method for reduction of light-induced yellowing of lignin-containing material
10/27/2011	US20110259536 Process For Making Material For Acquisition Of Liquids And Disposable Absorbent Article Comprising The Material
10/26/2011	CN102226317A Co-production preparation method of bamboo biomass fuel and bamboo pulp
10/26/2011	CN101591864B Environment friendly pulping process
10/26/2011	CN101451325B Low brightness pulp prepared by alkaline steam cooking wheat straw raw material, preparation method and use thereof
10/20/2011	WO2011128481A2 Method for the industrial exploitation of the stubble of plants rich in pith
10/20/2011	WO2011127999A1 Process for producing fibrous material from wood
10/20/2011	US20110253326 Separation of Lignin From Lignocellulosic Materials
10/20/2011	DE102010027722A1 Verfahren zum Herstellen von Faserstoff aus Holz A method for producing pulp from wood
10/19/2011	EP2377992A1 Highly refined fiber mass, process of their manufacture and products containing the fibers
10/19/2011	EP2376706A1 Improved fibre furnish
10/19/2011	EP1454014B1 Papermaking process using enzyme-treated sludge, and products
10/19/2011	CN102220719A Corncob bark pulp for chemical fiber and preparation method thereof
10/19/2011	CN102220298A Ferulic acid esterase FaeI as well as coding gene and application thereof
10/19/2011	CN101545226B Method for improving bagasse alkaline cooking effect through wet process with CEH bleaching waste liquor
10/18/2011	US8038842 Method for vapor phase pulping with alcohol, sulfur dioxide and ammonia
10/18/2011	US8038840 Process for refining and producing cellulose, lignin and xylose from biomass material
10/18/2011	CA2465428C Top separator for gas phase and hydraulic phase continuous digesters and method for converting digester
10/13/2011	WO2011126613A2 Methods to reduce metals content of bleached pulp while reducing bleaching cost in a chemical pulping process
10/13/2011	CA2795150A1 Methods to reduce metals content of bleached pulp while reducing bleaching cost in a chemical pulping process
10/12/2011	EP2374930A1 Raw paper and production method and application thereof
10/12/2011	CN102212974A Method for producing dissolving pulp
10/12/2011	CN102212973A Cooking liquor and preparation method of cotton stalk bark pulp
10/06/2011	US20110240239 Methods to Reduce Metals Content of Bleached Pulp While Reducing Bleaching Cost in a Chemical Pulping Process
10/06/2011	US20110240237 Compositions and Processes to Increase Pulp Yield, Reduce Extractives, and Reduce Scaling in a Chemical Pulping Process
10/05/2011	EP2370627A1 Increasing alkaline pulping yield for softwood with metal ions
10/04/2011	US8030039 Method for the production of fermentable sugars and cellulose from lignocellulosic material
09/2011
09/29/2011	WO2011080131A3 Pre-treatment of cellulosic material
09/28/2011	EP2367974A1 Modification of biomass for efficient conversion to fuels
09/28/2011	CN102203342A A single vertical atmospheric vessel for steaming, slurrying, impregnating and digesting fibrous material
09/28/2011	CN101657583B Fractionation of a lignocellulosic material
09/27/2011	US8025762 Cooking aid for improving the removal of extractives in pulp production, its production and use
09/22/2011	WO2011114004A1 Process for fibrillating lignocellulosic material, fibres and their use
09/22/2011	WO2011113329A1 Circular utilization method of straw in pulping and papermaking process
09/22/2011	WO2011113126A2 Process for producing modified cellulose pulps, cellulose pulp thus obtained and use of biopolymer for producing cellulose pulps
09/22/2011	WO2011113119A1 Process for the treatment of cellulose pulps, cellulose pulp thus obtained and use of biopolymer for treating cellulose pulps
09/22/2011	US20110226429 Enhanced fiber additive; and use
09/22/2011	US20110226162 Cellulose-containing mass
09/22/2011	CA2793651A1 Process for fibrillating lignocellulosic material, fibres and their use
09/22/2011	CA2793557A1 Process for producing modified cellulose pulps, cellulose pulp thus obtained and use of biopolymer for producing cellulose pulps
09/22/2011	CA2792315A1 Circular utilization method in pulping and papermaking processes with straw
09/21/2011	CN102191715A Preparation method for achnatherum splendens pulp
09/21/2011	CN102191711A Proportioning method for increasing pulp drainage speed of fiber composite materials in paper making method
09/21/2011	CN102191707A Low temperature rapid pulping process of reed
09/21/2011	CN102190881A Papermaking process belt and method for making the same
09/21/2011	CN101798769B Process for removing lignin component from straw
09/21/2011	CN101597871B Paper pulping bleaching and waste water purification integration technology
09/21/2011	CN101426975B Process for treating a cellulose-lignin pulp
09/21/2011	CN101200862B Clean pulping process
09/15/2011	WO2011112703A2 Lipohydrophilic glycerol based polymers as digestion aids for improving wood pulping processes
09/15/2011	US20110220307 Lipohydrophilic glycerol based polymers as digestion aids for improving wood pulping processes
09/15/2011	CA2792626A1 Lipohydrophilic glycerol based polymers as digestion aids for improving wood pulping processes
09/14/2011	EP1869250B1 Arrangement for feeding a slurry of chips and liquid
09/14/2011	CN102182090A Composite pulp of paper pulp and cotton linter and preparation method thereof
09/14/2011	CN102182089A Short fiber food waste residue-based nano cellulose and preparation method thereof
09/14/2011	CN102182088A Method for producing biochemical fulvic acid and bleached paper pulp
09/14/2011	CN102182087A Method for preparing nano cellulose by alkali/toluene method
09/14/2011	CN102182086A Method for preparing bamboo pulp by full-liquid-phase prehydrolysis sulfate displacement cooking process
09/14/2011	CN101748634B Improved APMP pulping method
09/14/2011	CN101418531B Method for preparing bleached chemical thermomechanical pulp of eucalyptus and poplar mixture material
09/13/2011	US8017820 Continuous flowing pre-treatment system with steam recovery
09/10/2011	CA2741602A1 Biomass hydrothermal decomposition apparatus, temperature control method thereof, and organic raw material production system using biomass material
09/10/2011	CA2741598A1 Biomass hydrothermal decomposition apparatus, temperature control method thereof, and organic raw material production system using biomass material
09/08/2011	US20110214826 Process of treating a lignocellulosic material
09/07/2011	EP1789624B1 Method and arrangement for impregnation of chips
09/07/2011	CN102177293A System and method for preextraction of hemicellulose through using a continuous prehydrolysis and steam explosion pretreatment process
09/07/2011	CN102174765A Technological process for making Lian-si paper by using moso bamboo
09/07/2011	CN102174757A Preparation method of cotton pulp for high-strength paper
09/07/2011	CN102174756A Method for preparing chemical fiber pulp
09/07/2011	CN102174755A Boiling assistant for preparing high polymerised pulp
09/07/2011	CN102174754A Solvent for separating biomass, and application thereof in selective separation of biomass
09/07/2011	CN102174753A Preparation method of wood pulp for long viscose fibers
09/07/2011	CN102174752A Preparation method of wood pulp for fibranne
09/07/2011	CN102174399A Method for preparing herbal biological fiber and biological paper pulp
09/07/2011	CN101806007B Method for treating paper pulp by using 1-allyl-3-methylimidazole chloride
09/07/2011	CN101748643B Production process of ultra-low quantitative tissue paper
09/07/2011	CN101289820B Process and device for abstracting lignose with zero discharge of paper making black liquor
09/01/2011	WO2011104196A2 Method for deaerating liquids
09/01/2011	US20110209839 Method for making absorbent products
08/2011
08/31/2011	CN101914510B Alkaline pectinase production method and application in papermaking pulping
08/31/2011	CN101748631B Efficient and clean puling and bleaching method dissolving alpha-pulp by Chinese alpine rush
08/31/2011	CN101613971B Pulping and papermaking process and equipment
08/31/2011	CN101613969B Pulping process for paper product pulp
08/31/2011	CN101086150B Gluing-free middle and high-density fiber board preparation method
08/25/2011	WO2011102760A1 Method and system for recycling of rejects in a process for cooking chemical pulp
08/25/2011	US20110203755 Method for preventing clogging in a strainer construction for a continuous digester
08/24/2011	EP2358892A1 Oxidative treatment of biomass to enhance enzymatic saccharification
08/24/2011	EP2358889A2 Organic solvent pretreatment of biomass to enhance enzymatic saccharification
08/24/2011	EP2358887A1 Organic solvent pretreatment of biomass to enhance enzymatic saccharification
08/24/2011	EP2358886A1 Organic solvent pretreatment of biomass to enhance enzymatic saccharification
08/24/2011	EP2358885A1 Organic solvent pretreatment of biomass to enhance enzymatic saccharification
08/24/2011	EP2358759A1 Processing of biomass
08/24/2011	CN102162199A Method for extracting lignin from raw grass

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