| Patents for D21C 5 - Other processes for obtaining cellulose, e.g. cooking cotton linters (5,432) |
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| 03/20/2003 | WO2003023043A1 Laccase activity enhancers |
| 03/20/2003 | US20030054539 Enzymatic polypeptide for use in paper making, detergents and textile processing |
| 03/20/2003 | US20030054534 Nucleotide sequences coding polypeptide for use in detergentgs, textile treatment, papermaking, deinking and drain cleaning |
| 03/20/2003 | US20030051836 Use of certain lipolytic enzymes such as cutinases and lipases in the manufacture of paper |
| 03/19/2003 | EP1068523B9 Method of evaluating growth stress in carbohydrate-containing plant materials |
| 03/18/2003 | CA2065101C Deinking composition and deinking method |
| 03/13/2003 | WO2003021033A1 Enzymatic treatment of pulp to increase strength |
| 03/13/2003 | US20030047295 Bio-bleaching of pulp using laccase, mediator, and chain transfer agent |
| 03/12/2003 | EP1291431A1 Endoglucanase nce5 and cellulase preparations containing the same |
| 03/12/2003 | EP1289683A2 Method for processing waste and waste processing plant |
| 03/12/2003 | EP1289664A2 Method and system for utilising waste |
| 03/12/2003 | CN1402803A Fibers from plant seeds and use |
| 03/12/2003 | CN1102974C Multi component system for modifying, degrading or bleaching lignin, lignin containing materials and processes for its use |
| 03/11/2003 | CA2136068C Process for producing paper or paperboard with increased strength from mechanical pulp |
| 03/06/2003 | US20030041982 Nitration, separation; fermentation to ethanol |
| 03/05/2003 | EP1137600A4 Hydrophilic dispersion polymers of diallyldimethyl ammonium chloride and acrylamide for the clarification of deinking process waters |
| 02/26/2003 | EP1023487B1 Process and device for treating waste paper without biocides, chlorine compounds, hydrogen peroxide and peracetic acid, recycled tissue paper with a total germ number of less than 1000 kbe/g and a surface germ number of less than 20 kbe/dm2 |
| 02/26/2003 | EP0677123B1 Deinking of printed paper by agglomeration process |
| 02/25/2003 | CA2069935C Aqueous dispersions containing carboxylic acids and/or resinic acids for deinking printed wastepaper |
| 02/20/2003 | WO2003014468A2 Use of emulsions during de-inking |
| 02/13/2003 | US20030029589 Total chlorine free bleaching of Arundo donax pulp |
| 02/06/2003 | WO2002081815A3 Deinking of waste paper |
| 02/05/2003 | CN1395639A Bleaching pulp |
| 02/05/2003 | CN1395003A Method for removing adhesive matter from regenerated pulp |
| 01/30/2003 | WO2003008704A1 Sortable adhesive-coated paper articles |
| 01/30/2003 | US20030019594 Grass fiber pulp has lighter color than the pulp produced from woods, only need a smaller amount of chemical bleach be added to bleach the pulp to a desired whiteness; papermaking; high strength fibers |
| 01/28/2003 | US6512110 Process for the production of xylose from a paper-grade hardwood pulp |
| 01/23/2003 | WO2002070816A3 Electrical field apparatus and methods for fluid for decontamination and other purposes |
| 01/23/2003 | US20030017221 Low alkaline hydrolysis in a hemicellulose ferulate esterase to produce fiber oil, cellulose, hemicellulose and others |
| 01/16/2003 | WO2003004765A1 Non-woody celulose masses and their production method |
| 01/14/2003 | US6506593 Production of thermostable xyalnases useful for modifying plant biomass and for enzyme-aided bleaching of wood pulp |
| 01/09/2003 | DE20023097U1 Manufacture of timber from used paper for walls, involves disaggregating used paper, forming pulp slurry, adding resin and flocculant, performing flocculation, filtering slurry and removing water in cake by pressing |
| 01/08/2003 | CN1389625A Method for making toilet paper from recovered newspaper |
| 01/03/2003 | WO2003000983A1 Total chlorine free bleaching of arundo donax pulp |
| 01/02/2003 | EP1270804A2 Method for removing impurities from an aqueous paper fiber suspension |
| 01/02/2003 | EP1268923A1 Process for reducing sticky contaminants in stock systems containing waste paper and in coated broke |
| 12/26/2002 | US20020195213 Process for producing xylooligosaccharide from lignocellulose pulp |
| 12/18/2002 | EP1266075A1 Bleaching pulp |
| 12/12/2002 | WO2002099183A1 Eucalyptus biomechanical pulping process |
| 12/12/2002 | WO2002099023A2 Enzymatic systems for generating active oxygen species for reacting with other precursors to obtain oxidation and/or bleaching |
| 12/12/2002 | US20020187905 Styrene copolymers in de-inking |
| 12/12/2002 | DE10126988A1 Systems for oxidation or bleaching, especially of pulp, comprise a component enzymatically generating peroxide, superoxide or other reactive oxygen species, and a precursor formed enzymatically, or is oxidizably reactive |
| 12/12/2002 | DE10125979A1 Verfahren zur Entfernung von Störstoffen aus einer wässrigen Papierfasersuspension A method for removing anionic trash from an aqueous paper fiber suspension |
| 12/12/2002 | CA2488599A1 Enzymatic systems for generating active oxygen species for reacting with other precursors to obtain oxidation and/or bleaching |
| 12/11/2002 | CN1384889A Reaction method, reaction apparatus and enzyme |
| 12/05/2002 | US20020179261 Degrading paper using enzyme; separation of ink and pulp |
| 12/05/2002 | DE10126347A1 Production of paper/cardboard fibers uses a biological process stage for the wood chips, using a fungus action to give cellulose, which is processed by chemical precipitation reaction and augmented with additives |
| 12/03/2002 | US6488808 Styrene copolymers in de-inking |
| 11/28/2002 | WO2002095127A2 Use of lipolytic enzymes for stickies control |
| 11/28/2002 | US20020174962 Process for bleaching lignocellulose pulp |
| 11/27/2002 | EP1068523B1 Method of evaluating growth stress in carbohydrate-containing plant materials |
| 11/27/2002 | EP1068388B1 Method for inhibiting the deposition of white pitch in paper production |
| 11/26/2002 | CA2210247C Modification of xylanase to improve thermophilicity, alkophilicity and thermostability |
| 11/21/2002 | WO2002092809A1 Novel hexenuronidase, gene coding for the same, and use of these |
| 11/21/2002 | DE10122555A1 Deodorizing recycled paper comprises treating a paper suspension with an alkali |
| 11/20/2002 | EP0651792B1 A novel cellobiose oxidase, an enzymatic agent and a process for treating paper pulp |
| 11/19/2002 | US6482292 Styrene copolymers in de-inking |
| 11/14/2002 | WO2002090647A1 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 |
| 11/12/2002 | CA2090493C Process for hydrolyzing hemicellulose by enzymes produced by trichoderma reesei |
| 11/06/2002 | EP0928350B1 Baffle for reactors used for liquids purification |
| 10/31/2002 | US20020157798 Pulping the wastepaper at a pH between 4 and 8.5 in the presence of deinking agent (a lipase and a fatty acid ester), removing the dislodged ink particles |
| 10/30/2002 | EP0868561B1 Process for removing inks from waste paper |
| 10/29/2002 | US6471826 Contacting the fibers with an esterase or lipase; preferably, the fibers are recycled fibers from old corrugated containers, old newsprint, mixed office waste, and the like. |
| 10/24/2002 | WO2002048450A8 A process for recovering inorganic material from deinking sludge |
| 10/23/2002 | EP1251184A1 Reaction method, reaction apparatus and enzyme |
| 10/22/2002 | US6468391 Method of making sanitary paper from chemical pulp using a single component cellulase that does not contain cellulose-building domain |
| 10/22/2002 | CA2061719C Reduction of stickies contamination in papermaking processes using recycled paper |
| 10/17/2002 | WO2002081816A1 Wood chip treatment |
| 10/17/2002 | WO2002081815A2 Deinking of waste paper |
| 10/17/2002 | US20020148573 Method for removing wax from a pulp furnish |
| 10/17/2002 | CA2440216A1 Deinking of waste paper |
| 10/16/2002 | EP1249531A2 Method of producing pulp for paper manufacture |
| 10/10/2002 | WO2002079260A1 Enzymatically catalyzed hydrolysis of corn fiber and products obtained from enzymatically hydrolyzed corn fiber |
| 10/10/2002 | DE10116368A1 Verfahren zur Aufbereitung von holzstoffhaltigem Altpapier A method for treating waste paper holzstoffhaltigem |
| 10/09/2002 | EP1247892A2 Treatment of wood-containing waste paper |
| 10/09/2002 | CN1092268C Production method of south Africa Hibiscus cancellatus paper pulp |
| 10/03/2002 | US20020139494 Recovery of fibers from a fiber processing waste sludge |
| 10/02/2002 | EP0740718B1 Deinking processes |
| 10/01/2002 | US6458928 Microbial swollenin protein, DNA sequences encoding such swollenins and method of producing such swollenins |
| 10/01/2002 | US6458240 Method for removing contaminants from fibers in recycle fiber pulping |
| 09/26/2002 | WO2002057538A3 Neutral deinking with a deinking composition comprising a lipase and a fatty acid ester |
| 09/26/2002 | US20020137644 Water-soluble (salt) form of a styrene-methacrylic acid copolymer, a surfactant, and water |
| 09/25/2002 | EP1242677A1 Pulping process for corn stover and other nonwood fibrous materials |
| 09/25/2002 | CN1371439A Pulping process for corn stover and other nonwood fibrous materials |
| 09/18/2002 | EP1082486B1 Oxidase process for pulp and dye oxidation |
| 09/18/2002 | EP0648263B1 Lipases from hyphozyma |
| 09/12/2002 | WO2002070816A2 Electrical field apparatus and methods for fluid for decontamination and other purposes |
| 09/11/2002 | EP1238141A1 Fibers from plant seeds and use |
| 09/11/2002 | EP1165881B1 Multi-component system for the enzyme-catalysed oxidation of substrates and method for carrying out enzyme-catalysed oxidation |
| 09/11/2002 | EP0941385B1 Method of modifying pulp from recycled newspapers |
| 09/11/2002 | CN1090700C Method for producing toilet paper and paper product from coarse fiber and product product by the method |
| 09/10/2002 | CA2079442C A process using cellulase for improving drainage properties of pulp |
| 09/06/2002 | CA2833423A1 Enzymes having alpha amylase activity and methods of use thereof |
| 09/05/2002 | US20020121352 Electrical field apparatus and methods for fluid for decontamination and other purposes |
| 09/05/2002 | US20020121347 Chemical composition and process |
| 09/04/2002 | EP0767836B1 Purified polyporus laccases and nucleic acids encoding same |
| 08/28/2002 | EP0986669B1 Psa-promoted process for removing contaminants from paper pulp |
| 08/28/2002 | EP0716702B1 Thermostable xylanases |
| 08/27/2002 | US6441240 Mixing with ethyleneamine |
| 08/27/2002 | US6440914 Reuse of waste papers; pulping, flotation |