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)
12/2010
12/16/2010WO2010142146A1 Process for producing high-strength corrugated base paper
12/16/2010US20100314057 Flour-based product, its preparation and use
12/15/2010CN101914862A Production process for cotton paper
12/15/2010CN101914510A Alkaline pectinase production method and application in papermaking pulping
12/15/2010CN101063278B Method for hybrid giant napier producing in oxygen free radical doffing/bleaching integrated reactor with dried bananas stalk
12/09/2010US20100307703 METHOD OF DEGUMMING JUTE FIBRES WITH COMPLEX ENZYME (3) ( amended
12/08/2010CN101613976B Method for preparing bleached chemi-mechanical pulp by using whole straw of mulberry tree branch
12/08/2010CN101608411B Process for manufacturing paper pulp by using oxidation-reduction potential water and biological enzyme
12/08/2010CN101560739B Pulping process
12/08/2010CN101492892B Method for producing paper-pulp by using cotton stalk core or kendir stalk core
12/08/2010CN101451328B Un-bleaching pulp prepared by alkaline steam cooking wheat straw raw material, preparation method and use thereof
12/08/2010CN101435165B Two-step isolation type full non-chlorine full cotton stalk bleaching pulp cleaning production process
12/08/2010CN101165267B Pulping technique for straw fibre
12/08/2010CN101092804B Light type paper with low whiteness and without any chlorine for textbook and fabricating method
12/02/2010WO2010137535A1 Method for digesting lignocellulosic material
12/02/2010CA2763651A1 Cooking process of lignocellulose material
12/01/2010EP2254913A1 Method and apparatus for lignocellulose pretreatment using a super-cellulose-solvent and highly volatile solvents
12/01/2010CN101903590A Method for kraft pulp production where hemicelluloses are returned
12/01/2010CN101899794A Green process for extracting fibers from plants
12/01/2010CN101899403A Pectobacterium carotovorum and applications thereof in bio-pulping
12/01/2010CN101225620B Method for preparing high-whiteness chemical pulp and paper products thereof by using corn stalk
11/2010
11/30/2010US7842161 Extracting hemicellulose from lignocellulose; 1,3-propanediol, succinic acid, lactone solvent pulping step; separation into pulp by contact with aqueous cooking liquor of solvent free sodium and sulfur; recover, recycle part of solvent from pulping step; chlorine free bleach, delignification sequence
11/25/2010WO2010135594A1 Continuous tube reactor
11/24/2010EP1392609B1 Method for inhibiting calcium salt scale
11/24/2010CN101429735B Isolation type bleaching and cleaning production apparatus
11/24/2010CN101352324B Sanitary paper prepared by cereal straw pulp and preparation method thereof
11/23/2010US7837830 Plant seed based fiber products and processes
11/18/2010US20100288456 Fibrillated blend of lyocell low dp pulp
11/17/2010CN201634946U Paper relic restoration paper making equipment system
11/17/2010CN101100820B Method for producing Chinese red pine chemical pulp
11/11/2010US20100285550 Delignification of Lignocellulose-Containing Material
11/11/2010US20100282422 Processes for producing cellulose nanofibers, cellulose oxidation catalysts and methods for oxidizing cellulose
11/10/2010EP2247781A2 System and method for preextraction of hemicellulose through using a continuous prehydrolysis and steam explosion pretreatment process
11/10/2010CN101880981A Method for making pulp
11/10/2010CN101880297A Clean and circulated production method for biochemical fulvic acid and cross-discipline high value-added product
11/09/2010US7828930 employing modified cooking technology in conjunction with polysulfide pulping technology in a cooking vessel to obtain higher pulping yields than previously obtained with either method; involves performing a cooking liquor "exchange"
11/04/2010WO2010093220A3 Method for manufacturing tissue using recovered paper from corrugated fiberboard as raw material
11/04/2010US20100276092 Method of pre-treating woodchips prior to mechanical pulping
11/03/2010EP1877618B1 Installation for implementing a method for producing paper pulp, lignins and sugars and production method using such an installation
11/03/2010CN101555672B Food wrapper and manufacturing method thereof
11/03/2010CN101418527B Deinking process for waste paper
11/03/2010CN101302724B Medicament agent for environment friendly pulping and environment friendly pulping process
11/02/2010US7824521 Process of treating a lignocellulosic material with hemicellulose pre-extraction and hemicellulose adsorption
11/02/2010CA2477175C Cellulolytic enzyme gene and use thereof
10/2010
10/28/2010US20100269994 Method for treating ligno-cellulosic materials
10/28/2010US20100269993 Method and composition for improving fiber quality and process efficiency in mechanical pulping
10/28/2010US20100269992 Sulfonation of pulp produced by alkali pulping process
10/28/2010US20100269989 Use of 1,3-selective lipases for pitch control in pulp and paper processes
10/27/2010CN101871177A Method for bleaching natural color pulp
10/27/2010CN101363201B Method for preparing edible fruit and vegetable dietary fiber paper
10/21/2010US20100263816 Use of chemical pulp mill steam stripper off gases condensate as reducing agent in chlorine dioxide production
10/21/2010US20100263815 Multi-stage AP mechanical pulping with refiner blow line treatment
10/21/2010US20100263813 Green liquor pretreatment of lignocellulosic material
10/21/2010DE102009017051A1 Verfahren zur Gewinnung von Zellstoff aus Lignocellulose-haltiger Biomasse A process for recovering pulp from lignocellulosic biomass
10/21/2010CA2698163A1 Green liquor pretreatment of lignocellulosic material
10/20/2010EP2241670A1 Unobstructed low pressure outlet and elongated screen grid for a high pressure feeder
10/20/2010CN101864688A Pulping method of sulphate chemical pulp
10/20/2010CN101487195B Method for producing paper pulp used in rice paper production by broussonetia papyrifera bark through steam-exploding degumming
10/14/2010WO2010115488A1 Method for obtaining cellulose from biomass comprising lignocellulose
10/14/2010CA2758038A1 Method for obtaining cellulose from biomass comprising lignocellulose
10/13/2010CN1974922B Method for producing chemical fiber pomace with fiber as raw material
10/13/2010CN1974921B Method for producing bamboo pomace
10/13/2010CN101861426A Use of polysulfide in modified cooking
10/13/2010CN101555668B Paper making method taking canes, leaves and fruit stems of banana tree as raw materials
10/13/2010CN101333776B APMP novel pulping method
10/12/2010CA2248649C Enzyme multimer and process of producing same
10/07/2010WO2010114470A1 System and method for the regulation of a continuous vapour phase digester
10/07/2010US20100252213 Pulp and paper having increased brightness
10/06/2010EP2235254A1 Process for pretreating a lignocellulosic material with a view to producing bioethanol, and bioethanol production process
10/05/2010US7807021 Compositions and processes to increase pulp yield, reduce extractives, and reduce scaling in a chemical pulping process
09/2010
09/30/2010WO2010110724A1 Method and arrangement for wash after completed digestion in a continuous digester for the production of cellulose pulp
09/29/2010CN101220565B Pulping method with zero discharge of sewage water
09/23/2010WO2010106077A1 Composition for inhibiting calcium salt scale formation
09/23/2010US20100236734 Process for bleaching pulp
09/23/2010CA2755758A1 Composition for inhibiting calcium salt scale formation
09/22/2010CN101446053B Whiten method for preparing bamboo chemical dissolving pulp and application thereof
09/22/2010CN101289818B Process for preparing dissolved pulp by oxidative degradation of linters
09/22/2010CN101046072B Pre-treatment process for producing bleached slurry with cotton stalk material
09/16/2010WO2010102480A1 Process of dispersing the mixture of higher aliphatic alcohol
09/16/2010WO2010080462A3 Organic solvent pretreatment of biomass to enhance enzymatic saccharification
09/15/2010EP2227590A1 Method and equipment for decomposing biomass molecular components continuously
09/15/2010CN201581290U Disc type synthetic fiber pulp precipitation machine and rotor thereof
09/15/2010CN101831824A Preparation method for grading waste pulp during producing kraft paper
09/15/2010CN101831823A Pollution-free pulping method for wheat straw
09/15/2010CN101831822A Method for producing paper pulp by adopting cotton stalk peel as raw material
09/15/2010CN101831820A Method for producing white pine and poplar chemical and mechanical paper pulp
09/09/2010US20100224333 Method and chemical composition to improve efficiency of mechanical pulp
09/08/2010EP2225415A1 Method for kraft pulp production where hemicelluloses are returned
09/08/2010CN101824766A Biological pulp and paper making wastewater zero discharge technique
09/08/2010CN101823002A Alkali-hydrogen peroxide method-based cooking catalyst and clean pulping process
09/02/2010WO2010071867A3 Organosolv and ozone treatment of biomass to enhance enzymatic saccharification
09/01/2010EP2224059A1 Grass type unbleached paper products and production method thereof
09/01/2010CN101818459A Method for preparing paper-making cooking aid from 1-amino-anthraquinone waste residues
09/01/2010CN101413226B Method for producing edible food package paper with bean peel as raw material
09/01/2010CN101163832B Arrangement for feeding a slurry of chips and liquid
08/2010
08/31/2010CA2452611C Method for delignifying lignocellulosic materials
08/26/2010WO2010046051A3 Process for the production of lipids from biomass
08/26/2010US20100212847 Anti-foaming agent for the paper industry
08/25/2010CN101503865B Method for preparing mlcrocrystalline cellulose by corps straw
08/24/2010USRE41552 Composition for the production of improved pulp
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