| Patents for D21C 5 - Other processes for obtaining cellulose, e.g. cooking cotton linters (5,432) |
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| 04/20/2011 | CN102021854A Method for pulping cotton linter |
| 04/20/2011 | CN102020788A Cellulose pulp and production method thereof |
| 04/20/2011 | CN102020723A Method for continuously extracting low-ester pectin and microcrystalline cellulose from jerusalem artichoke stalks |
| 04/20/2011 | CN101314925B Method of producing stalk composite fiber material for road |
| 04/13/2011 | CN102015121A Method for producing particles electrostatically |
| 04/06/2011 | CN101718050B Process for de-inking waste newspaper by biologic enzyme |
| 03/30/2011 | CN101994271A Microfibrillar cellulose |
| 03/30/2011 | CN101994270A Paper destroying device |
| 03/30/2011 | CN101994269A Method for producing waste paper pulp using the printed waste paper as raw material |
| 03/30/2011 | CN101457503B High strength fiberboard and production method thereof |
| 03/24/2011 | WO2011032370A1 Cellulose pulp and producing method thereof |
| 03/24/2011 | US20110067830 Functionalizing cellulosic and lignocellulosic materials |
| 03/23/2011 | EP2297395A1 Methods and systems for feedstock production from sewage and product manufacturing therefrom |
| 03/17/2011 | WO2011030003A1 Method of deinking inkjet ink-containing suspensions |
| 03/16/2011 | EP2294334A1 Novel plant-based material |
| 03/16/2011 | CN101481423B Method for preparing polyanion cellulose from bagasse |
| 03/15/2011 | CA2470905C High strength material using cellulose microfibrils |
| 03/10/2011 | DE102009040318A1 Method for removing impurities from waste paper suspension, involves forming suspension jet, and pulling surface of suspension jet accessible to supplied gas during or after discharge from jet forming channel |
| 03/10/2011 | DE102009040317A1 Mixing apparatus for flotation device for removal of impurities using gas bubbles from aqueous fiber suspension in flotation container, has channels provided with lateral surfaces producing turbulences in sections |
| 03/09/2011 | EP2292836A1 Use of modified inorganic particles in deinking |
| 03/02/2011 | EP2290157A2 Used paper recycling apparatus and its constituent devices |
| 03/01/2011 | US7897010 Method for deinking pulp using premixed hydrophobically modified calcium carbonate particles |
| 02/24/2011 | WO2011021616A1 Novel protein having β-glucosidase activity, and use thereof |
| 02/24/2011 | WO2011021528A1 Waste paper recycling device |
| 02/24/2011 | WO2011020982A1 Recycling of fibre products |
| 02/24/2011 | WO2010029044A3 Apparatus for the production of bacterially synthesized cellulose or cellulose-containing planar material |
| 02/24/2011 | DE102006057566B4 Verfahren zur Herstellung eines emissionsreduzierten lignozellulosen Rohstoffes bzw. Werkstoffs, Bauteils oder Produkts Process for the preparation of a reduced-emission lignocellulosic raw material or material, component or product |
| 02/23/2011 | EP2286023A2 Method of treating biomass |
| 02/17/2011 | WO2011018947A1 De-inking apparatus, apparatus for recycling waste paper, and method for using de-inking apparatus |
| 02/17/2011 | WO2011018941A1 Deinking device, device for regenerating waste paper, and method of using deinking device |
| 02/17/2011 | CA2770499A1 Process for producing high value products from biomass |
| 02/15/2011 | US7887672 Method for making natural cellulosic fiber bundles from cellulosic sources |
| 02/10/2011 | US20110030907 Method of producing recycled paper pulp from waste printed paper as raw material |
| 02/09/2011 | EP2281941A2 Used paper recycling apparatus and its constituent devices |
| 02/09/2011 | CN101967765A High-beating-degree cotton pulp product used for banknote paper and production method thereof |
| 02/09/2011 | CN101967764A High-whiteness cotton pulp product for banknote paper and production method thereof |
| 02/09/2011 | CN101967763A Method for treating wood chips for digestion |
| 02/09/2011 | CN101649570B Process for preparing wheatgrass cellulose with low pollution |
| 02/09/2011 | CN101509209B Method of preparing clubbed nano-cellulose |
| 02/08/2011 | CA2532584C Methods for producing recycled pulp, methods for modifying pulp fibre surfaces and dirts, as well as pulp processing equipments |
| 02/08/2011 | CA2295849C Trichoderma reesei swollenin protein and encoding dna sequence |
| 02/02/2011 | EP2280117A1 Method of deinking waste paper using cellulase without lowering paper strength and evaluation method thereof |
| 02/02/2011 | CN101962449A Method for removing lignin from biomass by using alkaline electrolyzed functional water |
| 01/29/2011 | CA2710975A1 Pulper with a torque motor |
| 01/26/2011 | EP2007945B1 Cellulose-solvent-based lignocellulose fractionation with modest reaction conditions and reagent cycling |
| 01/26/2011 | CN201722560U Water cyclic utilization and fiber extraction processor in toilet paper production |
| 01/26/2011 | CN201722559U Waste paper pulping machine |
| 01/26/2011 | CN1997791B Method for mechanical pulp production |
| 01/26/2011 | CN101955921A Novel endoglucanases |
| 01/26/2011 | CN101265673B Biological paper making and pulping method |
| 01/26/2011 | CN101171388B Process for producing mechanical pulp suitable for paper or cardboard making |
| 01/20/2011 | US20110016545 Xylanases, Nucleic Acids Encoding Them and Methods For Making and Using Them |
| 01/19/2011 | CN101949111A Method for producing anti-counterfeiting paper |
| 01/19/2011 | CN101949103A Preparation method of straw micro-nano cellulose |
| 01/19/2011 | CN101294360B Dry, wet strength paper dissociation agent and degradation technique thereof |
| 01/13/2011 | US20110010790 Plants with modified lignin content and methods for production thereof |
| 01/12/2011 | EP2271437A2 Method for producing particles electrostatically |
| 01/12/2011 | EP1611282B1 Process for bio-bleaching of kraft pulp using bacterial consortia |
| 01/11/2011 | US7867359 Irradiating a lignocellulosic material in air with 3 Mrad to 100 Mrad using an electron beam, to generate carboxylic acid groups by oxidation with air; increased molecular weight; increased solubility; increased surface receptivity for coatings,dyes, inks and grafting sites |
| 01/11/2011 | US7867358 Paper products and methods and systems for manufacturing such products |
| 01/11/2011 | US7867357 high molecular weight; stable aqueous polymer solution contains a homopolymer of acrylic acid, methacrylic acid or maleic acid, or a copolymer of acrylic acid and/or methacrylic acid with an unsaturated dicarboxylic acid; acidic pH; easily adjusted for the right pH |
| 01/05/2011 | CN101935956A Technology for improving strength and performance of regenerated cardboard paper by recycling OCC (Old Corrugated Containers) waste paper in energy-saving way |
| 01/05/2011 | CN101935955A Method for pretreating biomass raw materials |
| 01/04/2011 | US7862685 Method for deinking pulp using premixed hydrophobically modified calcium carbonate particles |
| 01/04/2011 | CA2627846C Process for bleaching lignocellulose pulp |
| 01/04/2011 | CA2387822C Fibers from plant seeds and use |
| 12/29/2010 | WO2010113129A3 Improved biomass pretreatment process |
| 12/29/2010 | CN201686885U Thermal disperser with self-control device |
| 12/29/2010 | CN101929088A Waste paper pulping method |
| 12/29/2010 | CN101928485A Waste paper deinking agent |
| 12/29/2010 | CN101565915B Process for producing enhanced wood fiber sponge |
| 12/23/2010 | WO2010147581A1 Deinking process |
| 12/23/2010 | CA2760803A1 Deinking process |
| 12/22/2010 | EP1874998B1 Removal of organic deposits from recycled fibers used for producing paper |
| 12/22/2010 | CN101435171B Method for producing recuperated yarn tube base paper by using waste slag and product thereof |
| 12/22/2010 | CN101418528B Paper stuff made by white food packaging waste paper with abdomen film |
| 12/16/2010 | US20100314055 Compact feed system and method for comminuted cellulosic material |
| 12/16/2010 | DE102009031611A1 Flotationsvorrichtung The flotation device |
| 12/16/2010 | DE102009030734A1 Flotation device for removal of impurities from aqueous fiber suspension in flotation container using cavities, has discharge pipe provided for flotation froth, and flotation container coupled with vibrator having preset frequency |
| 12/15/2010 | EP1828380B1 Neutral cellulase catalytic core and method of producing same |
| 12/15/2010 | CN101368347B Technique for producing mlcrocrystalline cellulose by sulfated waste velveteen |
| 12/08/2010 | CN101910515A Method and apparatus for measuring deposition of particulate contaminants in pulp and paper slurries |
| 12/08/2010 | CN101613972B Method for removing crystallization of plant stalks by gradient fluidized ammonia circulating explosion method |
| 12/08/2010 | CN101608412B Decrystallization method for plant straw by microwave-steam explosion synchronous coupling method |
| 12/07/2010 | US7846295 increase the molecular weight of lumber wood by irradiating with electron beam radiation or gamma radiation |
| 12/01/2010 | CN101392467B Manufacturing technique for preparing bamboo fiber by using biophysical technique |
| 12/01/2010 | CN101328695B Production process of cotton pulp for manufacturing automobile oil-gas filter paper |
| 11/25/2010 | WO2010134868A1 Method of producing and the use of microfibrillated paper |
| 11/23/2010 | US7837830 Plant seed based fiber products and processes |
| 11/16/2010 | CA2156048C Alkali-tolerant xylanases |
| 11/10/2010 | CN101880981A Method for making pulp |
| 11/10/2010 | CN101538810B Wet strength paper treatment technology |
| 11/10/2010 | CN101139805B High-voltage static atomizing preparing technique for nano-grade cellulosic material |
| 11/04/2010 | WO2010126772A1 Polypeptides having xylanase activity and polynucleotides encoding same |
| 11/04/2010 | WO2010124380A1 Process and apparatus for recycling coated paper products |
| 11/04/2010 | CA2795934A1 Polypeptides having xylanase activity and polynucleotides encoding same |
| 11/04/2010 | CA2759058A1 Process and apparatus for recycling coated paper products |
| 11/03/2010 | CN201620307U Waste paper pulp magnetic deinking device |
| 11/03/2010 | CN101876154A Formula and production process of cotton pulp |
| 11/03/2010 | CN101876152A Dewatering device of used paper recycling apparatus and used paper recycling apparatus |