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 9 - After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters
Patents for D21C 9 - After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters (10,265)
11/2005
11/24/2005US20050257904 Method for producing cellulose fiber having improved biostability and the resulting products
11/24/2005DE102004020495A1 Verfahren und Anlage zur Aufbereitung von Altpapier Method and apparatus for processing recycled paper
11/23/2005CN1228503C Technological system for producing environment protection type paper pulp
11/22/2005US6966970 Method for supplying washing liquid to a process for cooking cellulose pulp
11/22/2005CA2162122C Use of glycine-n,n-diacetic acid derivatives as biodegradable complexing agents for alkaline earth and heavy metal ions, and method of preparing them
11/17/2005WO2005108673A1 New composition and process for the treatment of fibre material
11/17/2005WO2005108669A2 Treatment composition for making acquisition fluff pulp in sheet form
11/17/2005WO2005108314A1 Procedure for dewatering of suspensions
11/17/2005US20050256470 Reacting pulp sheet/fluff with glyoxylic acid and/or succinic semicaldehyde
11/17/2005DE102004020496A1 Verfahren zum Steuern eines Bleichprozesses für die Altpapieraufbereitung, sowie eine Bleichvorrichtung zur Durchführung eines solchen Verfahrens A method for controlling a bleaching process for the waste paper processing, as well as a bleaching apparatus for performing such a method
11/17/2005CA2564015A1 New composition and process for the treatment of fibre material
11/16/2005EP1595997A1 Machine for washing fibrous suspensions
11/16/2005CN2740650Y Sterilizing straw silk device with oxygen bleach
11/16/2005CN1697901A Method for producing corn stalk pulp and paper products from corn stalk pulp
11/16/2005CN1697877A Xylanases with enhanced thermophilicity and alkalophilicity
11/16/2005CN1696399A Machine for washing fibrous suspensions
11/15/2005CA2344940C Method and apparatus for the thickening of fiber suspensions
11/10/2005WO2005080673A3 A process for the treatment of fibre material and new composition
11/10/2005US20050247423 Machine for washing fibrous suspensions
11/10/2005US20050247419 Treatment composition for making acquisition fluff pulp in sheet form
11/10/2005DE102004020355A1 Oxidative, reduktive, hydrolytische und andere enzymatische Systeme zur Oxidation, Reduktion, zum Coaten, Koppeln und Crosslinken von natürlichen und künstlichen Faserstoffen, Kunststoffen oder anderen natürlichen und künstlichen Mono- bis Polymerstoffen Oxidative, reductive, hydrolytic and other enzymatic systems for oxidation, reduction, for coating, coupling and cross-linking of natural and artificial fibers, plastics or other natural and man mono- to polymer materials
11/09/2005EP1592840A1 Method for washing pulp in e bleaching line
11/09/2005EP1592839A1 Method for washing pulp in a bleaching line and a bleaching line
11/09/2005EP0850307B1 Alkaliphilic and thermophilic microorganisms and enzymes obtained therefrom
11/09/2005CN1694987A Process for producing kraft pulp
11/03/2005WO2005103374A2 Method and installation for processing waste paper
11/03/2005WO2005103373A2 Method for controlling a bleaching process for waste paper treatment and bleaching device for carrying out said method
11/03/2005WO2005103372A2 Oxidative, reductive, hydrolytic and other enzymatic systems for oxidizing, reducing, coating, coupling or cross-linking natural and artificial fiber materials, plastic materials or other natural or artificial monomer to polymer materials
11/03/2005WO2005103371A1 A process of making bamboo pulp for producing cellulose diacetate
11/03/2005WO2005103135A1 Methods to enhance brightness of pulp and optimize use of bleaching chemicals
11/03/2005CA2564380A1 Oxidative, reductive, hydrolytic and other enzymatic systems for oxidizing, reducing, coating, coupling or cross-linking natural and artificial fiber materials, plastic materials or other natural or artificial monomer to polymer materials
11/03/2005CA2562026A1 Methods to enhance brightness of pulp and optimize use of bleaching chemicals
11/02/2005EP1590525A1 Bleaching and brightness stabilization of lignocellulosic materials with water-soluble phospines or phosphonium compounds
11/02/2005EP1590524A1 Method of producing twisted, curly fibers
11/02/2005EP1590074A1 Apparatus for mixing
11/02/2005EP1590073A1 Apparatus for mixing
11/02/2005EP0707637B1 Enhancement of laccase reactions
11/02/2005CN1690303A Process for bleaching paper pulp through microwave radiation and hypochlorite
11/02/2005CN1690302A Microwave radiation hydrogen peroxide bleaching method
11/01/2005CA2261710C Pitch control composition based on blend of derivatized cationic guar and styrene maleic anhydride copolymer
10/2005
10/27/2005WO2005100680A2 Apparatus and method for treating mulch
10/27/2005WO2005100557A1 Method and dna constructs for increasing the production level of carbohydrate degrading enzymes in filamentous fungi
10/27/2005WO2005099554A2 Dual zone wireless pulp washer
10/27/2005CA2563469A1 Method and dna constructs for increasing the production level of carbohydrate degrading enzymes in filamentous fungi
10/27/2005CA2562796A1 Dual zone wireless pulp washer
10/27/2005CA2562234A1 Apparatus and method for treating mulch
10/26/2005EP1268927B1 A process for production of paper materials with improved wet strength
10/26/2005CN1224736C Lyocell fibers
10/25/2005US6958109 either to an upper or lower part of a blow tank from a batch digester, controlled by a consistency detector arranged in a blow pump
10/25/2005US6958108 Method of producing a fiber product having a strength suitable for printing paper and packaging material
10/25/2005CA2177254C Deinking of waste paper by treatment with starch degrading enzyme e.g. amylase
10/20/2005WO2005098133A1 Pitch controlling agent
10/20/2005WO2005098127A1 Method and device for dilution of cellulose pulp
10/20/2005US20050230073 Apparatus and method for treating mulch
10/20/2005CA2560391A1 Method and device for dilution of cellulose pulp
10/19/2005EP1585856A1 Cooking aid for improving the removal of extractives in pulp production, its production and use
10/19/2005CN2734813Y High efficiency double-screw separator for high concentration pulp
10/19/2005CN2734812Y Rubber ring and dewatering device made thereof
10/18/2005CA2095187C Method for controlling stickies
10/13/2005US20050224198 Method and device for handling cellulose pulp
10/13/2005US20050223501 Method for making bleached crosslinked cellulosic fibers with high color and brightness
10/12/2005EP1584743A1 Method and device for handling cellulose pulp
10/12/2005CN2732804Y Disc-type heat dispersing machine
10/12/2005CN1222609C Decolour yeast of manganese producing depended pervxidase and its application
10/12/2005CN1222578C Black dye mixtures of fibre-reactive azo dyes and use thereof for dyeing fibre material containing hydroxy and/or carbonamide groups
10/11/2005CA2313892C Method of optimizing the metering of charge-reversal agent into paper broke
10/07/2005CA2503619A1 Method and device for handling cellulose pulp
10/06/2005WO2005092992A1 Ink jet ink and recording material
10/06/2005WO2005092484A1 System and method for admixing a liquid state medium to a liquid state flow
10/06/2005US20050217813 Methods to enhance brightness of pulp and optimize use of bleaching chemicals
10/06/2005US20050217812 Bleached crosslinked cellulosic fibers with high color and brightness
10/06/2005US20050217811 Whitened crosslinked cellulosic fibers and related methods
10/06/2005US20050217810 Bulk and improved brightness and whiteness; absorbent products including wipes, towels, and tissues as well as infant diapers, adult incontinence products, and feminine hygiene products
10/06/2005US20050217809 Bleached crosslinked cellulosic fibers having high color and related methods
10/05/2005EP1582624A1 Bleached polyacrylic acid crosslinked cellulosic fibers
10/05/2005EP1581693A1 Bleaching of cellulosic fibre material with peroxide using polymers as a stabiliser
10/05/2005EP1581692A1 Amino-functionalized pulp fibers
10/05/2005EP1581591A1 Polymer composition for peroxide bleaching of cellulosic fibre material and processes for peroxide bleaching
10/05/2005CN1678545A Cementitious material reinforced with chemically treated cellulose fiber
10/05/2005CN1676742A Bleached polyacrylic acid crosslinked cellulosic fibers
09/2005
09/28/2005EP1579068A2 Filler-fiber composite
09/27/2005CA2328125C Oxidase process for pulp and dye oxidation
09/27/2005CA2321683C Additives to chlorine dioxide bleaching
09/27/2005CA2262953C Pitch control composition
09/21/2005EP1266080B1 Method of draining water from low-consistency water-fibre suspensions
09/21/2005EP0753057B1 Alkaline bacillus amylase
09/21/2005CN2727227Y Disc type concentrator
09/21/2005CN1219919C Method of mfg. Laiosai fiber compsn.
09/21/2005CN1219918C Method of mfg. Laiosai fiber
09/20/2005US6946072 Method and apparatus for washing a fibre suspension
09/20/2005CA2332134C Metal ligand containing bleaching compositions
09/20/2005CA2243204C Process for increasing the charge on a lignocellulosic material, product obtainable by the process, and use of the product in the preparation of a lignocellulose-based product
09/20/2005CA2148707C Method and pulp washing machine for washing pulp or similar material
09/15/2005WO2005060332A3 Method of producing fibre products
09/15/2005US20050200050 Compositions and composites of cellulosic and lignocellulosic materials and resins, and methods of making the same
09/14/2005EP1574614A2 Method for reducing impurities in cellulose fibers for manufacture of fiber reinforced cement composite materials
09/14/2005EP1573120A1 Sealing device
09/14/2005CN1668806A Treatment of a mixture containing cellulose with a reducing agent
09/14/2005CN1667183A Grass sheet impurity removing machine
09/13/2005US6942754 Process for producing xylooligosaccharide from lignocellulose pulp
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