Patents
Sitemap › D21 - Paper-making; Production of cellulose › D21C - Production of cellulose by removing non-cellulose substances from cellulose- containing materials; Regeneration of pulping liquors; Apparatus therefor › D21C 3 - Pulping cellulose-containing materials
Patents for D21C 3 - Pulping cellulose-containing materials (5,020)
08/2010
08/19/2010WO2010093812A2 Methods for producing biomass-based fuel with pulp processing equipment
08/19/2010WO2010093220A2 Method for manufacturing tissue using recovered paper from corrugated fiberboard as raw material
08/19/2010US20100206500 Apparatus and method for manufacturing fibre mass suspension
08/19/2010US20100206499 Methods for Producing Biomass-Based Fuel With Pulp Processing Equipment
08/19/2010CA2752604A1 Methods for producing biomass-based fuel with pulp processing equipment
08/19/2010CA2749682A1 Saccharifying biomass
08/18/2010CN101806008A Pulping process for obtaining non-fibrous matters in dry mode without generating water
08/18/2010CN101806007A Method for treating paper pulp by using 1-allyl-3-methylimidazole chloride
08/18/2010CN101806006A Method for treating paper pulp by using 1-butyl-3-methylimidazole chloride
08/18/2010CN101806005A Paper pulp making method capable of reducing large amount of waste liquid and lowering consumption of materials
08/18/2010CN101579689B Complete system of recycling treatment of city household garbage and a method thereof
08/18/2010CN101328693B Clean production method of chemical pulping paper making and aluminum oxide cogeneration
08/17/2010CA2477848C Process for producing furfural, formic acid and acetic acid from spent pulp-cooking liquor
08/12/2010US20100200183 Surprising increase in the degree of fibrillation of a wood pulp fiber by co-refining a small amount of polyarenazole fiber such as a polyphenylenebenzobisoxazole; lower cost, wear and heat resistance products such as beater-add gaskets, engine gaskets, automotive transmission and friction papers
08/11/2010CN101802299A improved biomass pretreatment
08/11/2010CN101798769A Process for removing lignin component from straw
08/11/2010CN101352296B Cutlery box produced by cereal straw pulp and preparation method thereof
08/05/2010US20100196981 Methods and systems for feedstock production from sewage and product manufacturing therefrom
08/05/2010US20100193145 Polyareneazole/thermoset pulp and methods of making same
08/05/2010US20100193144 Polyareneazole/thermoplastic pulp and methods of making same
08/05/2010US20100193143 Pulp comprising polypyridobisimidazole and other polymers and methods of making same
08/04/2010EP2212469A2 Process for defibering a fibrous raw-material
08/04/2010EP2212468A1 Use of polysulfide in modified cooking
08/04/2010CN101792980A Mechanical pulping method for biological bacteria liquid
08/04/2010CN101381967B Clean method for making paper pulp
08/03/2010CA2447523C Method for inhibiting calcium salt scale
07/2010
07/29/2010WO2010083601A1 Method and apparatus for conveying a cellulosic feedstock
07/29/2010WO2010083600A1 Method and apparatus for conveying a cellulosic feedstock
07/29/2010US20100189706 Polypeptide enzymes that can hydrolyze lignocellulose such as sugarcane bagasse, i.e., for biomass processing, industrial uses such as disinfectants, pharmaceuticals, waste treatment, making biofuels, feeds and foods; bioconversion of lignocellulosic residues into fermentable sugars; heat stability
07/29/2010US20100186912 Pulp production
07/28/2010CN101790611A A process for separating biomass components
07/28/2010CN101787665A Production process of ultrathick insulating paperboard
07/28/2010CN101787661A Textbook paper for elementary and secondary school students and preparation method thereof
07/28/2010CN101787660A Writing paper and preparation method thereof
07/28/2010CN101787659A News printing paper and preparation method thereof
07/28/2010CN101787656A Clean high-valued utilization method for straw resources
07/28/2010CN101787655A Paper making and pulp preparation method by using prolease
07/27/2010US7763664 oil phase of at least one hydrophobic compound and aqueous phase which comprises at least one stabilizer, water and optionally a thickener, wherein oil-in-water dispersion comprises combination of at least one polyglyceryl ester and one bisamide of ethylenediamine and carboxylic acid; papermaking
07/23/2010CA2650919A1 Method and apparatus for conveying a cellulosic feedstock
07/23/2010CA2650913A1 Method and apparatus for conveying a cellulosic feedstock
07/22/2010US20100183533 Detergent composition
07/22/2010US20100181035 Glucosyltransferases
07/21/2010CN101781869A Drying process of super thick insulated pressboard
07/21/2010CN101781862A Process for integrating pulping and bleaching by using ultrasonic wave
07/21/2010CN101302728B Sisal hemp pulp and preparation thereof
07/21/2010CN101148833B Paper-making-stage reclaiming wood pulp plate denaturalization producing technique
07/15/2010WO2010080489A1 Ozone treatment of biomass to enhance enzymatic saccharification
07/15/2010WO2010080464A1 Organic solvent pretreatment of biomass to enhance enzymatic saccharification
07/15/2010WO2010080462A2 Organic solvent pretreatment of biomass to enhance enzymatic saccharification
07/15/2010WO2010080461A1 Organic solvent pretreatment of biomass to enhance enzymatic saccharification
07/15/2010WO2010080460A1 Organic solvent pretreatment of biomass to enhance enzymatic saccharification
07/15/2010WO2010080436A1 Oxidative treatment of biomass to enhance enzymatic saccharification
07/15/2010WO2010080434A1 Organic solvent pretreatment of biomass to enhance enzymatic saccharification
07/15/2010WO2010059796A3 Process for producing a sugar solution by combined chemical and enzymatic saccharification of polysaccharide enriched biomass
07/15/2010US20100175840 High yield and enhanced performance fiber
07/15/2010CA2744466A1 Organic solvent pretreatment of biomass to enhance enzymatic saccharification
07/15/2010CA2744259A1 Organic solvent pretreatment of biomass to enhance enzymatic saccharification
07/15/2010CA2744256A1 Organic solvent pretreatment of biomass to enhance enzymatic saccharification
07/15/2010CA2744254A1 Oxidative treatment of biomass to enhance enzymatic saccharification
07/15/2010CA2743450A1 Organic solvent pretreatment of biomass to enhance enzymatic saccharification
07/15/2010CA2742681A1 Organic solvent pretreatment of biomass to enhance enzymatic saccharification
07/14/2010CA2690276A1 Process for adjusting the ph of a cellulosic pulp, production of pulp or paper from cellulosic pulp and use of (bi)carbonate removal for reducing the consumption of acid
07/13/2010US7754048 Bleaching of cellulosic fibre material with peroxide using polymers as a stabiliser
07/08/2010WO2010046051A8 Process for the production of lipids from biomass
07/07/2010CN101772602A High yield and enhanced performance fiber
07/07/2010CN101768887A Circular utilization method of straw in pulping and papermaking processes
07/07/2010CN101768886A Hatchel falling bio-pulping technology
07/06/2010US7749354 digester comprises a wash zone having a plurality of individual wash screens disposed about an inner wall of digester for withdrawal of co-current downflow liquor from wash zone; liquor uniformly and automatically distributed between all of the wash screens; maximizes energy and wash efficiency
07/01/2010WO2010071945A1 Improved fibre furnish
07/01/2010US20100163193 Process for the bleaching of mechanical paper pulp
07/01/2010CA2748088A1 Improved fibre furnish
06/2010
06/30/2010EP2201170A1 Method for treating ligno-cellulosic materials
06/30/2010CN101760989A Mixed pulp with high opacity, air permeability and tearing index and cultural paper prepared from the same
06/30/2010CN101760988A Mixed pulp material and cultural paper prepared from the same
06/30/2010CN101760987A High-air-permeability mixed pulp and household paper made thereof
06/30/2010CN101760986A Mixed pulp with high bulk, air permeability and tear index and cultural paper made thereof
06/30/2010CN101760985A High-opacity mixed pulp and cultural paper prepared from the same
06/30/2010CN101760984A High strength mixing pulp and cultural paper made of thereof
06/30/2010CN101760983A Mixed pulp and paper with the same
06/30/2010CN101760982A Mixed pulp with high bulk and paper having same
06/30/2010CN101760975A Circulation process for performing ammonium sulfite pulping by using sulfur-containing flue gas absorber
06/30/2010CN101760974A Process for performing ammonium sulfite pulping by using sulfur-containing flue gas absorber
06/24/2010WO2010069151A1 Process for extracting cellulose
06/24/2010US20100159515 Oxidative pretreatment of biomass to enhance enzymatic saccharification
06/24/2010CA2743052A1 Organosolv and ozone treatment of biomass to enhance enzymatic saccharification
06/23/2010EP2198035A1 Method and equipment for production of glucose, ethanol, furfural, furane and lignin from renewable raw materials
06/23/2010CN101748646A Stuff used for preparing meta-aramid paper, the production method thereof and meta-aramid paper made from the stuff and the production method thereof
06/23/2010CN101748643A Production process of ultra-low quantitative tissue paper
06/23/2010CN101748642A Special anti-counterfeiting rice paper for postage stamp, postage stamp and production method thereof
06/23/2010CN101748641A Three-section closed circuit cold soaking paper making pulp and production method thereof
06/23/2010CN101748635A Method for preparing slurry by replacement cooking
06/23/2010CN101748634A Improved APMP pulping method
06/23/2010CN101748633A Novel cellulose extraction process
06/23/2010CN101748632A Pulping process of paper pulp
06/23/2010CN101748631A Efficient and clean puling and bleaching method dissolving alpha-pulp by Chinese alpine rush
06/23/2010CN101748630A Acid-free pre-hydrolysis enzymolysis-free method for preparing bamboo pulp of Dendrocalamus giganteus Munro series
06/23/2010CN101748628A Bamboo fiber extraction process
06/23/2010CN101148834B Paper-making-stage broad-leaved wood pulp plate denaturalization producing technique
06/23/2010CN101148832B Paper-making-stage high viscosity wood pulp plate denaturalization producing technique
06/17/2010WO2010066195A1 Raw paper and production method and application thereof
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