Patents for D21C 5 - Other processes for obtaining cellulose, e.g. cooking cotton linters (5,432)
05/2004
05/21/2004WO2004041995A1 Methods and systems for pretreatment and processing of biomass
05/19/2004CN1150055C Contaminant dispersants useful in recycling of treated containers
05/13/2004WO2004040060A1 Slurry of agricultural fibres and its products
05/13/2004WO2004039969A1 Novel cellulase tolerant to surfactants
05/13/2004CA2503023A1 Slurry of agricultural fibres and its products
05/12/2004EP1417375A2 Use of emulsions during de-inking
05/05/2004CN1494625A Neutral deinking with deinking composition comprising lipase and fatty acid ester
05/04/2004CA2082935C A method of enzyme production in trichoderma modified to be at least partially cellulase deficient
04/2004
04/29/2004WO2004034765A2 A method of increasing the conductivity of water and uses therefor
04/29/2004US20040079497 Process for facilitating the use of high lignin containing waste paper in the manufacture of paper products
04/28/2004CN1147643C Oxidant defibering method for waste paper pulp-making
04/27/2004CA2135960C Use of dispersion polymers for coated broke treatment
04/22/2004US20040077071 Methods of xylanase treatment in bleaching
04/22/2004US20040074614 Deinking agent making it possible to improve ink collecting power in the step of flotation and yield high- quality deinked pulp without lowering the yield of pulp. It is a deinking agent comprising an ester of an alkylene oxide-added
04/15/2004WO2003046169A3 Xylanases with enhanced thermophilicity and alkalophilicity
04/15/2004US20040069426 Method and enzymatic preparation for treatment of cellulose pulps
04/14/2004EP1408108A2 Cellulase producing actinomycetes, cellulase produced therefrom and method of producing same
04/14/2004EP0531372B2 A cellulase preparation comprising an endoglucanase enzyme
04/08/2004US20040065419 Removal of contaminants from recycled paper fibers
04/08/2004DE19614947B4 Verfahren zur Erhöhung des Weißgrades von Papierfaserstoff A process for increasing the whiteness of paper pulp
04/07/2004EP1266075B1 Bleaching pulp
04/07/2004EP0822859B1 Compositions containing diol
04/07/2004CN1144910C Multi-component system for the enzyme-catalysed oxidation of substrates and method for enzyme-catalysed oxidation
04/06/2004US6716311 Modified cationic polymers, their preparation and their use in papermaking
04/01/2004WO2004027033A2 Lentiviral vector-mediated gene transfer and uses thereof
04/01/2004US20040062879 Apparatus for liquid-based fiber separation
04/01/2004CA2499643A1 Lentiviral vector-mediated gene transfer and uses thereof
03/2004
03/31/2004EP1403422A1 Process for treating waste paper
03/31/2004EP1402109A2 Use of lipolytic enzymes for stickies control
03/31/2004EP1183419B1 Method and apparatus for preparing paper pulp from used paper
03/31/2004EP0857230B1 Production of soft paper products from high and low coarseness fibers
03/30/2004CA2166570C Organoclay compositions comprising quaternary ammonium/diluent compositions
03/25/2004WO2003071024A3 Method for ozone treatment of used paper
03/24/2004CN1143023C Modified cellulosic fibers and fiber webs containing these fibers
03/18/2004WO2004022842A1 A method of producing mechanical pulp and the mechanical pulp thus produced
03/18/2004CA2497904A1 A method of producing mechanical pulp and the mechanical pulp thus produced
03/17/2004EP0870015B1 Novel xylanases, genes encoding them, and uses thereof
03/11/2004WO2004020733A1 Apparatus and method for automatically defibering and extracting kraft pulp from old corrugated cardboard
03/11/2004WO2004020617A1 Culture having phenol oxidase-like activity
03/11/2004US20040048061 For use in labels
03/10/2004CN1481463A Process for recovering inorganic material from deinking sludge
03/04/2004US20040043400 Zygomycetes-derived endoglucanase enzyme lacking cellulose-binding domain
03/04/2004US20040040680 Papermaking process and paper made therefrom
03/03/2004EP1392913A1 Method and apparatus for recovering fibre and fibre-based solids from filtrates containing both solids and liposoluble extractive agents of mechanical or chemi-mechanical pulp industry
03/03/2004CN1478895A Purified plyporus laccase and nucleic acid for coating the laccase
03/03/2004CN1140168C Process for preparation of absorbent materials and method of adsorbing liquid
02/2004
02/26/2004US20040038841 For use in detergents, treating paper pulp, deinking waste paper
02/26/2004US20040035959 Method and system for utilizing waste
02/25/2004EP1390580A2 Deinking of waste paper
02/25/2004CN1139692C Cotton linter tissue products and method for preparing same
02/19/2004DE10244521B3 Conversion of used paper into papermaking pulp, for quality graphic papers, has a fine sorting for the suspension while the rejected matter is separated into long and short fiber fractions for further cleaning and processing
02/18/2004EP1152833B1 Method and production plant for the manufacture of fibrous material
02/05/2004WO2004011717A1 Method of deinking
02/05/2004US20040020616 Controlling and/or adjusting proportion of organic material in form of fiber in deinking sludge; adjusting the water content; pressurization and heating; oxidizing organic material; recovering energy released; separation
02/03/2004US6686487 Degumming triacylglycerols using degummer tank assembly, separating reaction products
01/2004
01/29/2004US20040016522 De-inking of waste paper
01/28/2004CN1136315C Purified polyporus laccases and nucleic acids encoding same
01/27/2004US6682923 Non-naturally occurring xylanase activity (xa) protein; bleaching agent comprising as an active ingredient an xa protein in the bleaching process of pulp and in the food and animal feed industry
01/22/2004US20040011485 Process for bio-bleaching of kraft pulp using bacterial consortia
01/21/2004EP0695349B1 Enzymes with xylanase activity from aspergillus aculeatus
01/08/2004WO2004003289A1 A process for the production of cellulose fiber pulp
01/08/2004CA2491111A1 A process for the production of cellulose fiber pulp
01/07/2004EP1075563B1 Method for removing wax from a pulp furnish
01/02/2004EP0851783A4 Novel aromatic and aliphatic sulfonates and properties and applications thereof
01/01/2004US20040000383 Process for facilitating the use of high lignin containing waste paper in the manufacture of paper products
12/2003
12/24/2003CN1131908C 用旧纸制备纸浆的方法和设备 Old paper with a method and apparatus for preparing pulp
12/23/2003US6668130 Optical fiber harness
12/23/2003US6667170 Sequences of Xylanase and Xylanase expression vectors
12/23/2003US6666950 Paper; removal marking
12/11/2003WO2003102296A1 Process for the manufacturing of cellulose pulp
12/10/2003EP0934402B1 High molecular weight trichoderma cellulase
12/09/2003US6660128 Oxidase process for pulp
12/02/2003US6656324 Method for removing wax from a pulp furnish
11/2003
11/27/2003US20030217826 Integrated system and method for purifying water, producing pulp and paper, and improving soil quality
11/27/2003US20030217823 Method for producing pulp and products from high silica content agricultural waste materials
11/26/2003EP1364089A2 Neutral deinking with a deinking composition comprising a lipase and a fatty acid ester
11/20/2003WO2003095737A1 Method for producing pulp and products from high silica content agricultural waste materials
11/19/2003EP1012392B1 Use of a polyammonium quaternary polymer for controlling anionic trash and pitch deposition and treating coated broke
11/19/2003EP0921862B1 A process for purification of a fibre suspension
11/06/2003US20030207407 Treating corn fiber liquid mixture with protease, separating the liquid from the proteolyzed corn fiber; alkaline extractant to separate arabinoxylan from insoluble cellulose; making cellulose ethers and cellulose esters
11/05/2003CN1454272A Method for preparing pulp from cornstalk
10/2003
10/29/2003EP0920551B1 Method of agglomerating stickies in an aqueous slurry of wastepaper
10/23/2003US20030199087 For the extraction of corn fiber oil from wet or dry milled corn fiber
10/22/2003EP0688377B1 Persulfate mixtures for repulping wet strength paper
10/21/2003US6635464 DNA; polypeptide having enzymatic activity; useful in pulp and paper industries, modifying plant biomass for feed additive or in baking
10/21/2003US6635146 Mixing an aqueous suspension of papermaking fibers hydrolytic enzyme(s) capable of randomly hydrolyzing cellulose and/or hemicellulose; improved sheet strength
10/16/2003WO2003085191A1 De-inking agent for producing paper and cellulose
10/16/2003US20030192236 Accelerated mulching paper degradation process and mulching paper for implementing the process
10/15/2003EP1352123A1 A process for recovering inorganic material from deinking sludge
10/15/2003EP1114219B1 Calcium carbonate synthesis method and resulting product
10/15/2003EP1095184B1 Method of producing lignocellulosic pulp from non-woody species
10/15/2003EP0904449B1 Deinking process
10/09/2003WO2003083208A1 Process for bleaching lignocellulose-containing non-wood pulp
10/08/2003EP1350887A2 Device for separating air from flotation foam
10/08/2003EP1180171B1 Method for producing paper pulp, lignins, sugars and acetic acid by fractionation of lignocellulosic vegetable material in formic/acetic acid medium
10/02/2003WO2003014468A3 Use of emulsions during de-inking
10/02/2003US20030188340 Methods of separating a corn fiber lipid fraction from corn fiber
10/02/2003US20030183081 Device for separating air from flotation foam
09/2003
09/25/2003US20030178345 Method for processing waste processing plant
09/25/2003US20030178162 Process for biological deinking of office waste paper
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