| Patents for D21C 5 - Other processes for obtaining cellulose, e.g. cooking cotton linters (5,432) |
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| 08/22/2002 | US20020115181 Enzymatic polypeptide for use in paper making and animal feeds |
| 08/21/2002 | CN1089387C Soft, bulky absorbent contg. chemithermomechanical pulp |
| 08/15/2002 | US20020108727 Adding waste paper to an autoclave, adding deinking and defibrating solutions and pressurization; pressure increases penetration; recycling paper |
| 08/14/2002 | EP0767849B1 Production of soft paper products from old newspaper |
| 08/14/2002 | EP0692043B1 Process and enzyme preparation for preparing mechanical pulp |
| 08/07/2002 | EP0832316B1 Fiber and fiber products produced from feathers |
| 08/01/2002 | US20020100570 Process for the production of cellulose paper pulps by biodelignification of vegetable masses |
| 07/30/2002 | US6426211 Xylanase derived from a Bacillus species, expression vectors for such xylanase and other proteins, host organisms therefor and use thereof |
| 07/30/2002 | CA2104962C Recycling waste cellulosic material |
| 07/25/2002 | WO2002057541A2 Use of xylanase in pulp bleaching |
| 07/25/2002 | WO2002057539A1 Method for the biological control of lipophilic compounds used in the production of paper pulp from hardwood |
| 07/25/2002 | WO2002057538A2 Neutral deinking with a deinking composition comprising a lipase and a fatty acid ester |
| 07/25/2002 | US20020096270 Waste paper and fiber processing methods and apparatus |
| 07/25/2002 | US20020096269 Method for removing contaminants from fibers in recycle fiber pulping |
| 07/25/2002 | CA2435279A1 Use of xylanase in pulp bleaching |
| 07/25/2002 | CA2434304A1 Neutral deinking with a deinking composition comprising a lipase and a fatty acid ester |
| 07/24/2002 | CN1360107A Purification of waste paper |
| 07/23/2002 | US6423524 Cellulase preparation comprising an endoglucanase enzyme |
| 07/23/2002 | US6423523 Transforming bacillus species with dna molecule comprising specified nucleotide sequence coding for xylanase comprising depicted amino acid sequence, so species comprises complete xylanase gene expression unit, culturing, recovering xylanase |
| 07/16/2002 | US6419787 Process for recycling paper broke containing wet strength additives |
| 07/16/2002 | US6419786 Dispersing zone; dehydration, pretreatment, supplying steam |
| 07/11/2002 | US20020088575 Mixing an aqueous suspension of papermaking fibers hydrolytic enzyme(s) capable of randomly hydrolyzing cellulose and/or hemicellulose; improved sheet strength |
| 07/09/2002 | US6416620 Wax-based, hot melt coating and an inorganic mineral filler, clay,paraffin wax, microcrystalline wax, hydrocarbon resin, ethylene-vinyl acetate copolymer |
| 07/04/2002 | WO2002052100A2 Alkaline extraction stages comprising xylanase |
| 07/04/2002 | WO2000068396A9 Bacillus circulans xylanase mutants |
| 07/04/2002 | US20020086350 Microbial swollenin protein, dna sequences encoding such swollenins and method of producing such swollenins |
| 07/03/2002 | EP0900299B1 Compositions and methods for inhibiting deposits in pulp and papermaking systems |
| 07/02/2002 | CA2261664C Perfected reactor for liquids purification |
| 07/02/2002 | CA2261660C Baffle for reactors used for liquids purification |
| 06/27/2002 | WO2002050369A1 Solid composition for de-inking of recycling paper |
| 06/27/2002 | WO2002050245A2 Novel cellulase producing actinomycetes, cellulase produced therefrom and method of producing same |
| 06/27/2002 | US20020081702 Enzymatic polypetide for use in treatment of textiles, papermaking and animal feeds |
| 06/27/2002 | CA2432744A1 Novel cellulase producing actinomycetes, cellulase produced therefrom and method of producing same |
| 06/26/2002 | EP1217121A1 Decontamination of waste papers |
| 06/25/2002 | CA2202714C Process for increasing the degree of whiteness of paper fiber pulp |
| 06/20/2002 | WO2002048450A1 A process for recovering inorganic material from deinking sludge |
| 06/20/2002 | WO2002004084A3 Process for obtaining bio-functional fractions from biomass |
| 06/20/2002 | US20020076792 Glucanase for use in animal feeds, paper making and textile processing |
| 06/20/2002 | CA2437410A1 A process for recovering inorganic material from deinking sludge |
| 06/19/2002 | CN1354812A Method and apparatus for preparing paper pulp from used paper |
| 06/14/2002 | CA2328259A1 Decontamination of waste papers |
| 06/13/2002 | WO2001098579A3 Methods to control organic contaminants in fiber suspensions |
| 06/13/2002 | US20020069987 Integrated processing of biomass and liquid effluents |
| 06/12/2002 | CN1086215C Production of soft paper products from old newspaper |
| 06/11/2002 | US6402887 Biopulping industrial wood waste |
| 06/06/2002 | WO2002012618A3 Flotation deinking process |
| 06/06/2002 | WO2002002866A3 Fungal incubation containment system and methods |
| 06/06/2002 | US20020066880 Flotation deinking process |
| 05/30/2002 | WO2002042474A1 Zygomycetes-origin endoglucanase lacking cellulose-binding domain |
| 05/30/2002 | WO2001093664A3 Process for propagation and utilization of mimosa |
| 05/28/2002 | US6395131 Removal of wax from fiber suspension, flotation and transportation then removing wax |
| 05/28/2002 | CA2186321C Method for aluminum reduction in recycled pulp and paper |
| 05/23/2002 | US20020060014 Manufacture of pulp and/or paper and/or board as well as equipment for the production of energy for at least the production plant's own needs; advantageously placed in the middle of a residential community vicinity. |
| 05/23/2002 | US20020059998 Methods to control organic contaminants in fibers |
| 05/21/2002 | US6391150 Germination of spores, heat treatment by hot dispersion, controlling temperature and processing spore free recycled pulp to paper tissue |
| 05/16/2002 | WO2002038754A1 Cellulase preparation containing nonionic surfactant and method of treating fiber |
| 05/16/2002 | US20020056531 Method for the carrying out of a flotation, bleach and/or dispersion process serving for the manufacture of fiber or paper |
| 05/15/2002 | EP0686724B1 Method of deinking through flotation using said agent |
| 05/14/2002 | US6388069 Heating aqueous mixture of corn fiber and liquid, contacting with protease, separating, contacting with alkaline extractant to form insoluble cellulose and liquid with arabinoglycan, separating, concentrating liquid |
| 05/14/2002 | US6387690 Endoglucanases |
| 05/14/2002 | US6387212 Process for obtaining fibers integral with calcium carbonate particles |
| 05/14/2002 | US6387211 Methods for reducing fluorescence in paper-containing samples |
| 05/14/2002 | US6387210 Method of making sanitary paper product from coarse fibers |
| 05/14/2002 | CA2031556C Method for effectively breaking up latex-coated paper during pulping to decrease the potential for white pitch deposition |
| 04/30/2002 | US6380142 Storage-stable formulations comprising mediators, peroxide compounds and pH stabilizers and their use in enzymatic bleaching systems |
| 04/30/2002 | US6379948 Microbe SKB-1152 strain, and method of bleaching pulp therewith |
| 04/30/2002 | US6379495 Sterilization and dosing vegetable masses, cultures, mixing, heating sterile water, conditioning and extraction |
| 04/24/2002 | EP1198421A1 Compositions of an anionic surfactant and a mineral cation used in aqueous medium |
| 04/23/2002 | CA2048618C A method of de-inking waste paper materials |
| 04/16/2002 | US6372085 Steam explosion is used to increase the separation efficiency of the fibers from the ash; papermaking |
| 04/10/2002 | CN1344316A Enzyme processing process |
| 04/03/2002 | EP1192311A1 Foam-controlling process |
| 04/02/2002 | US6365732 Process for obtaining stereoisomers from biomass |
| 04/02/2002 | CA2218725C Compositions containing diol and/or diol alkoxylate |
| 03/27/2002 | EP0799349B1 Redigestible cellulose-containing marerials |
| 03/21/2002 | WO2002022943A1 Method of deinking waste paper by using cellulase without lowering paper strength and method of evaluating the same |
| 03/20/2002 | EP0951598B1 Method of removing capsule oils from self-copying paper |
| 03/20/2002 | CN1341180A Multi-component system for the enzyme-catalysed oxidation of substrates and method for carrying out enzyme-catalysed oxidation |
| 03/20/2002 | CN1340651A Process for preparing arc microcrystal cellulose |
| 03/19/2002 | US6358904 Multicomponent bleaching system |
| 03/14/2002 | WO2001089730A3 Method for processing waste and waste processing plant |
| 03/14/2002 | WO2001089702A3 Method and system for utilising waste |
| 03/14/2002 | US20020032355 Triacylglycerol oligomer products and methods of making same |
| 03/14/2002 | DE10043893A1 Verfahren zur Durchführung eines der Faser- oder Papierherstellung dienenden Flotations-, Bleiche- und/oder Dispergierprozesses A method for carrying out a fiber or paper manufacturing serving flotation, Bleiche- and / or dispersion process |
| 03/13/2002 | EP1186706A2 Treatment of fibres or paper |
| 03/13/2002 | EP0946820B1 Method and device for conducting a process in the production of paper |
| 03/13/2002 | CN1339628A Method for extracting phytyl-cellutose and carbonized cellulose from green leaves |
| 03/13/2002 | CN1080747C Recycling of mineral fillers from residue of paper deinking plant |
| 03/13/2002 | CA2319223A1 Improved method of bleaching of old corrugated container and other waste paper pulps |
| 03/12/2002 | US6355137 Repulpable wet strength paper |
| 03/06/2002 | EP1183419A1 Method and apparatus for preparing paper pulp from used paper |
| 03/06/2002 | EP1183334A1 Trametes cingulata lignin depolymerase |
| 03/06/2002 | EP1090176B1 Method for manufacturing a fibre mat |
| 03/06/2002 | CA2356586A1 A method for the carrying out of a flotation, bleach and/or dispersion process serving for the manufacture of fiber or paper |
| 03/05/2002 | US6352845 Forming monosaccharide by hydrolysis |
| 02/28/2002 | WO2002016366A1 Copper or iron chlorophyllin sodium, pulp, aqueous pigment solution, paper yarn and process for producing the same |
| 02/28/2002 | US20020025430 Includes an intermediate coat of a dispersion polymer film containing a protective colloid and/or an emulsifying agent between the paper carrier and adhesive coating; adhesive does not completely break down during pulping for recyclablility |
| 02/26/2002 | US6350350 Integrated system and method for purifying water, producing pulp and paper and improving soil quality |
| 02/20/2002 | EP1180171A1 Method for producing paper pulp, lignins, sugars and acetic acid by fractionation of lignocellulosic vegetable material in formic/acetic acid medium |
| 02/19/2002 | US6348127 Pulping densified cubes or pellets, for making paper and other fibrous products; kenaf |