| Patents for D21C 9 - After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters (10,265) |
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| 12/23/2010 | WO2010145990A1 Method for reducing deposits in the drying section in the manufacture of paper, paperboard, and cardboard |
| 12/23/2010 | WO2010117312A9 Hydraulic system for a pressure diffuser |
| 12/23/2010 | US20100320156 Oxidative Treatment Method |
| 12/22/2010 | EP2262946A1 Device and method for dilution of cellulose pulp |
| 12/22/2010 | CN101922124A Formula and production process of liquid brightener |
| 12/22/2010 | CN101435164B Modified production process of paper making level sulphate wood pulp plate |
| 12/21/2010 | CA2512141C Bleaching of cellulosic fibre material with peroxide using polymers as a stabiliser |
| 12/16/2010 | WO2010142538A1 Gentle bleaching agent |
| 12/16/2010 | US20100314056 Process for production of bleached pulp |
| 12/15/2010 | EP2261359A1 Mannanases |
| 12/15/2010 | EP2260082A1 Sheet-formed fibrous material with improved strength property |
| 12/08/2010 | CN101910515A Method and apparatus for measuring deposition of particulate contaminants in pulp and paper slurries |
| 12/08/2010 | CN101910092A Carboxylic acid production process employing solvent from esterification of lignocellulosic material |
| 12/08/2010 | CN101613976B Method for preparing bleached chemi-mechanical pulp by using whole straw of mulberry tree branch |
| 12/08/2010 | CN101560739B Pulping process |
| 12/08/2010 | CN101492892B Method for producing paper-pulp by using cotton stalk core or kendir stalk core |
| 12/08/2010 | CN101463573B Straw pulp bleaching technique |
| 12/08/2010 | CN101451328B Un-bleaching pulp prepared by alkaline steam cooking wheat straw raw material, preparation method and use thereof |
| 12/08/2010 | CN101435165B Two-step isolation type full non-chlorine full cotton stalk bleaching pulp cleaning production process |
| 12/08/2010 | CN101092804B Light type paper with low whiteness and without any chlorine for textbook and fabricating method |
| 12/08/2010 | CN101092800B Installation for displacement washing and concentrating paper making pulp |
| 12/02/2010 | WO2010138941A2 Modified cellulose from chemical kraft fiber and methods of making and using the same |
| 12/02/2010 | WO2010138059A1 A device for preventing the rewetting of pulp |
| 12/02/2010 | WO2010138056A1 A device for preventing the rewetting of pulp |
| 12/02/2010 | WO2010136550A1 Process for the bleaching of mechanical paper pulp |
| 12/02/2010 | CA2763024A1 Modified cellulose from chemical kraft fiber and methods of making and using the same |
| 12/02/2010 | CA2762712A1 Process for the bleaching of mechanical paper pulp |
| 12/02/2010 | CA2760669A1 A device for preventing the rewetting of pulp |
| 12/01/2010 | EP2256096A2 Fiber cement board with modified fiber |
| 12/01/2010 | CN101903592A Method for converting lignocellulosic solutions having a high dry-material content |
| 12/01/2010 | CN101903591A Process for production of bleached pulp |
| 12/01/2010 | CN101899795A Method for improving utilization ratio of chemi-mechanical pulp bleaching filtrate |
| 12/01/2010 | CN101328695B Production process of cotton pulp for manufacturing automobile oil-gas filter paper |
| 12/01/2010 | CN101265678B Hydrogen peroxide stabilizer composition in paper pulp bleaching |
| 12/01/2010 | CN101250511B Method for promoting cellulolytic enzymes synthesis of trichoderma reesei by using dilute sulfuric acid treated pulp as carbon source |
| 12/01/2010 | CN101225620B Method for preparing high-whiteness chemical pulp and paper products thereof by using corn stalk |
| 11/30/2010 | CA2643093C Near-neutral chlorine dioxide bleaching of pulp |
| 11/24/2010 | CN101896667A Apparatus for washing and dewatering pulp |
| 11/24/2010 | CN101896666A An apparatus for washing and dewatering pulp, a system for controlling such an apparatus, and a method for processing pulp in such an apparatus |
| 11/24/2010 | CN101896665A Apparatus for washing and dewatering pulp |
| 11/24/2010 | CN101896664A Apparatus for washing and dewatering pulp |
| 11/24/2010 | CN101429735B Isolation type bleaching and cleaning production apparatus |
| 11/23/2010 | US7837830 Plant seed based fiber products and processes |
| 11/23/2010 | CA2469389C An apparatus and a method for controlling the alkalinity and ph of an industrial process |
| 11/18/2010 | CA2748137A1 Paper filler composition |
| 11/17/2010 | EP1402110B1 An arrangement for controlling the edge of pulp mass in a web former and a method for controlling the edge of pulp mass |
| 11/16/2010 | CA2156048C Alkali-tolerant xylanases |
| 11/10/2010 | EP2247782A1 Method of bleaching a pulp |
| 11/10/2010 | EP1893803B1 Method for treating a process material during the production of paper, card, or cardboard |
| 11/10/2010 | CN101880977A Method for producing chemi-mechanical pulp of pinus sylvestris, white pine and cotton wood |
| 11/10/2010 | CN101880632A Laccase and preparation method and special production strain thereof |
| 11/10/2010 | CN101538810B Wet strength paper treatment technology |
| 11/04/2010 | WO2010093220A3 Method for manufacturing tissue using recovered paper from corrugated fiberboard as raw material |
| 11/04/2010 | US20100276094 Apparatus For Washing And Dewatering Pulp, A System For Controlling Such An Apparatus, And A Method For Processing Pulp In Such An Apparatus |
| 11/04/2010 | US20100276093 Process for fractionating sugarcane bagasse into high a-cellulose pulp, xylan and lignin |
| 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 |
| 11/03/2010 | CN101555672B Food wrapper and manufacturing method thereof |
| 11/03/2010 | CN101418527B Deinking process for waste paper |
| 11/03/2010 | CN101302724B Medicament agent for environment friendly pulping and environment friendly pulping process |
| 11/03/2010 | CN101200863B Method for promoting removal rate, whiteness and viscosity of oxygen delignification by STPP |
| 11/02/2010 | US7825172 shearing so internal fibers are exposed to form texturized fiber; densifying (compression of the texturized fiber into pellets) to increase the bulk density; combining with a resin; re-opening densified fibrous material to substantially re-expose the fibers; waste recycle; shredded juice cartons |
| 11/02/2010 | US7824556 Ion exchanging; water treatment |
| 10/28/2010 | WO2010123433A1 Arrangement for joining tubes and pulp processing apparatus including such an arrangement |
| 10/28/2010 | WO2010077170A3 Process and system for production of organic solvents |
| 10/28/2010 | US20100269992 Sulfonation of pulp produced by alkali pulping process |
| 10/28/2010 | US20100269991 Deflaker plate and methods relating thereto |
| 10/27/2010 | CN101871177A Method for bleaching natural color pulp |
| 10/27/2010 | CN101363201B Method for preparing edible fruit and vegetable dietary fiber paper |
| 10/27/2010 | CN101253292B Process of bleaching |
| 10/26/2010 | US7820873 Absorbent structure comprising synergistic components for superabsorbent polymer |
| 10/26/2010 | CA2464136C Bleached, mechanical paper pulp and the production method therefor |
| 10/21/2010 | WO2010120228A1 A doctor blade arrangement and method in fibre processing |
| 10/21/2010 | US20100267110 Laccases, nucleic acids encoding them and methods for making and using them |
| 10/21/2010 | US20100263815 Multi-stage AP mechanical pulping with refiner blow line treatment |
| 10/21/2010 | CA2756641A1 A doctor blade arrangement and method in fibre processing |
| 10/20/2010 | EP2240145A2 Tampon including crosslinked cellulose fibers and improved synthesis processes for producing same |
| 10/20/2010 | CN201610503U 一种造纸行业用玻璃钢漂白塔 A papermaking industry bleaching tower with fiberglass |
| 10/20/2010 | CN201610502U 一种磁力脱墨机 A magnetic deinking machine |
| 10/20/2010 | CN101864687A Reed pulp bleaching technology |
| 10/20/2010 | CN101864686A Preparation method of apocynum pulp |
| 10/20/2010 | CN101487195B Method for producing paper pulp used in rice paper production by broussonetia papyrifera bark through steam-exploding degumming |
| 10/14/2010 | WO2010117312A1 Hydraulic system for a pressure diffuser |
| 10/14/2010 | WO2010116026A1 A press for dewatering a suspension |
| 10/14/2010 | WO2010115785A1 Process for the production of nano-fibrillar cellulose gels |
| 10/14/2010 | US20100258257 Method of and Apparatus for Controlling the Height of a Column of Material in a Vessel Upstream of a Pump |
| 10/14/2010 | CA2758133A1 A press for dewatering a suspension |
| 10/14/2010 | CA2755495A1 Process for the production of nano-fibrillar cellulose gels |
| 10/13/2010 | CN201605491U 纸屑处理装置 Confetti processing device |
| 10/13/2010 | CN201605490U 纸质工业包装吸滤成型装置 Industrial packaging paper suction filtration molding device |
| 10/13/2010 | CN201605489U 一种纸浆挤干装置 One kind of pulp squeezed device |
| 10/13/2010 | CN1974922B Method for producing chemical fiber pomace with fiber as raw material |
| 10/13/2010 | CN1974921B Method for producing bamboo pomace |
| 10/13/2010 | CN101857859A Preparation method of xylanase or lignin peroxidase and application thereof to industrial bleaching field |
| 10/12/2010 | CA2248649C Enzyme multimer and process of producing same |
| 10/07/2010 | WO2010115090A1 Pulping process for quality protection including methods for hemicellulose extraction and treatment of hemicellulose -extracted lignocellulosic materials |
| 10/07/2010 | WO2010112519A1 Process for the production of nano-fibrillar cellulose suspensions |
| 10/07/2010 | WO2009156464A3 Biomass pretreatment process |
| 10/07/2010 | US20100252214 Method and a Device for the Dewatering of a Fibre Suspension Supplied by a Nozzle Assembly |