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 5 - Other processes for obtaining cellulose, e.g. cooking cotton linters
Patents for D21C 5 - Other processes for obtaining cellulose, e.g. cooking cotton linters (5,432)
09/2003
09/24/2003CN1444678A Method for reducing contamination from cellulosic suspensions
09/23/2003CA2018721C Use of dadmac containing polymers for coated broke treatment
09/18/2003US20030176669 Process for obtaining bio-functional fractions from biomass
09/17/2003EP1344820A1 Zygomycetes-origin endoglucanase lacking cellulose-binding domain
09/17/2003CN1442576A Making method of broussonetia papyrifera fiber
09/12/2003WO2003074780A1 Xylanase treatment of chemical pulp
09/12/2003CA2477847A1 Xylanase treatment of chemical pulp
09/04/2003US20030164336 Processes of reducing contamination from cellulosic suspensions
09/03/2003EP1340814A1 Thermostable xylanases
09/03/2003EP1192311B1 Use or a foam-controlling agent
09/02/2003US6613192 Process for producing biokraft pulp from eucalyptus chips
08/2003
08/28/2003WO2003071024A2 Method for ozone treatment of used paper
08/28/2003WO2003070940A1 Cellulose digesting enzyme gene and utilization of the gene
08/28/2003WO2003070939A1 Dna fragment having promoter activity
08/28/2003CA2475689A1 Method for ozone treatment of used paper
08/27/2003EP1338650A1 Cellulase preparation containing nonionic surfactant and method of treating fiber
08/19/2003CA2193169C Method of producing pulp for paper manufacture
08/13/2003CN1436262A Methods for control of organic contaminants in fiber suspensions
08/13/2003CN1436243A Endoglucanase NCE5 and cellulase preparations contg. same
08/12/2003US6605184 Recycling wastes from papermaking apparatus for reuse as paper or paperboard fillers and/or coatings
08/07/2003US20030148453 Production and secretion of proteins of bacterial origin in filamentous fungi
08/06/2003EP0916000B1 Perfected reactor for liquids purification
07/2003
07/31/2003WO2003061550A2 Novel catalytic activities of oxidoreductases for oxidation and/or bleaching
07/31/2003CA2514475A1 Novel catalytic activities of oxidoreductases for oxidation and/or bleaching
07/30/2003EP0545958B2 A process for hydrolyzing hemicellulose by enzymes produced by trichoderma reesei
07/30/2003CN1116474C Process for recovering raw materials from flow of residual or collected materials during paper manufacture and plant therefor
07/23/2003CN1115436C Aluminium and paper separating and recovering tech for waste aluminium foil paper leftover
07/17/2003CA2805007A1 Transgenic plants expressing civps or intein modified proteins and related method
07/16/2003EP1036236B1 Pulp production method
07/16/2003CN1430668A Novel laccase enzyme and gene encoding the enzyme
07/16/2003CN1114732C Production of soft paper products
07/15/2003CA2197348C Flotation deinking of wastepaper using a froth controlling agent
07/15/2003CA2063352C Cloning and expression of acetyl xylan esterases from fungal origin
07/10/2003WO2003056103A1 High strength material using cellulose micro-fibril
07/10/2003US20030127203 Use of fractionated fiber furnishes in the manufacture of tissue products, and products produced thereby
07/09/2003EP1325977A1 Method of deinking waste paper by using cellulase without lowering paper strength and method of evaluating the same
07/09/2003EP1058751B1 Cotton linter tissue products and method for preparing same
07/09/2003CN2559669Y Paper pulp and oil ink separator
07/08/2003US6589760 Methods of separating a corn fiber lipid fraction from corn fiber
07/08/2003US6589389 Test method for determining bleed-throughs in old corrugated container fiber pulp
07/08/2003CA2273493C Paper compound material with repulp-resistant adhesive coating
07/03/2003US20030124710 Oxidizing enzymes in the manufacture of paper materials
07/01/2003US6586212 Heating with a liquid, contacting with a protease enzyme and alkaline extractant; separating the liquid comprising arabinoxylan; utilizing the components to generate valuable products
06/2003
06/26/2003WO2003052201A1 Novel method for the chlorine-free enzymatic bleaching of high-quality pulps obtained from herbaceous or shrub plants
06/26/2003WO2003052105A1 Cellulase preparations containing reducing agent and method of processing fiber
06/18/2003CN1424460A Lignin catalytic separating agent
06/17/2003US6578315 Accelerated mulching paper degradation process and mulching paper for implementing the process
06/12/2003WO2003048449A1 Bleaching stage using xylanase with hydrogen peroxide, peracids, or a combination thereof
06/12/2003WO2003047826A1 Method of producing compressed layered structures
06/12/2003WO2002052100A3 Alkaline extraction stages comprising xylanase
06/12/2003US20030106654 Triglyceride emulsion for deinking process
06/12/2003CA2436765A1 Bleaching stage using xylanase with hydrogen peroxide, peracids, or a combination thereof
06/11/2003CN1423012A Pulp-making method of raising fiber-recovering quality
06/10/2003US6576083 Degrading paper using enzyme; separation of ink and pulp
06/05/2003WO2003046169A2 Xylanases with enhanced thermophilicity and alkalophilicity
06/05/2003US20030104546 Microbial swollenin protein, DNA sequences encoding such swollenins and method of producing such swollenins
06/05/2003US20030103755 Optical fiber harness
06/05/2003CA2435527A1 Xylanases with enhanced thermophilicity and alkalophilicity
05/2003
05/30/2003WO2002099023A3 Enzymatic systems for generating active oxygen species for reacting with other precursors to obtain oxidation and/or bleaching
05/28/2003CN2552996Y Straw pulp drying-separating machine
05/22/2003US20030096394 Laccase activity enhancers
05/22/2003US20030094251 For bleaching lignin-containing materials/pulps; papermaking
05/20/2003US6566112 Cellulase producing actinomycetes, cellulase produced therefrom and method of producing same
05/15/2003WO2003040462A1 Microwave pre-treatment of logs for use in making paper and other wood products
05/15/2003US20030092097 Enzymatic polypeptide for use in the treatment of taxtiles and fabric
05/15/2003US20030089473 Bleaching pulp
05/15/2003CA2466505A1 Microwave pre-treatment of logs for use in making paper and other wood products
05/14/2003EP1309754A2 Flotation deinking process
05/14/2003CN1108094C Method for monitoring growth and detecting of environmental stress in plants
05/13/2003US6562626 Analysis of textiles, wood pulp and cellulosic materials; obtain sample extract, incuabte with hot acid, analyze extract and evaluate carbohydrate pattern
05/13/2003US6562612 Cellulase producing actinomycetes, cellulase produced therefrom and method of producing same
05/07/2003EP0957676B1 Method for monitoring growth and detection of environmental stress in plants
05/02/2003EP1076735B1 Method and apparatus for treatment of fiber suspension containing minerals, such as coated broke, in paper production
05/01/2003WO2003035972A1 Oxidizing enzymes in the manufacture of paper materials
05/01/2003WO2003035970A1 A method for preparing a homogenous cellulosic product from cellulosic waste materials
05/01/2003WO2002095127A3 Use of lipolytic enzymes for stickies control
05/01/2003US20030082159 Lentiviral vector-mediated gene transfer and uses thereof
05/01/2003CA2461447A1 Oxidizing enzymes in the manufacture of paper materials
04/2003
04/30/2003CN1107132C Fibreboard method for mfg. fibreboard, and use of such fibreboard
04/29/2003US6554960 Integrated system and method for purifying water, producing pulp and paper, and improving soil quality
04/23/2003EP1304412A2 Process for bleaching lignocellulosic pulp
04/23/2003EP1303666A1 Processes of reducing contamination from cellulosic suspensions
04/22/2003US6551463 Integrated system and method for purifying water, producing pulp and paper, and improving soil quality
04/17/2003WO2003031717A1 Method of separating colouring agents, particularly printing ink,from recycled fibre material
04/17/2003CA2462813A1 Method of separating colouring agents, particularly printing ink,from recycled fibre material
04/16/2003EP1301542A2 Process for obtaining bio-functional fractions from biomass
04/16/2003EP0679183B1 Enhancement of enzyme reactions
04/15/2003US6548558 Reuse of paper, paperboard
04/15/2003US6548283 Bacterial protein with xylanase activity
04/15/2003US6548120 Recyclable and repulpable ream wrap and related methods of manufacture
04/09/2003EP1299595A1 Method for preparing pulp from cornstalk
04/08/2003US6544383 Using a polyester having from alkylene oxide units, and first and second deinking agents of alkoxylated hydrophobic base (e.g. alcohol), where second deinking agent has lower cloud point; lower bleach demand, stickies
04/03/2003WO2002057541A3 Use of xylanase in pulp bleaching
04/03/2003WO2002050245A3 Novel cellulase producing actinomycetes, cellulase produced therefrom and method of producing same
04/02/2003EP1297217A2 Methods to control organic contaminants in fiber suspensions
03/2003
03/27/2003US20030056909 Test method for determining bleed-throughs in old corrugated container fiber pulp
03/26/2003EP1294859A1 Novel laccase enzyme and the gene encoding the enzyme
03/25/2003CA2258216C Pulp decontamination apparatus and method of use
03/20/2003WO2003023142A1 Enhancing laccase activity using pro-oxidants and pro-degradants
03/20/2003WO2003023133A1 Bio-bleaching of pulp using laccase, mediator, and chain transfer agent
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