| Patents for D21C 9 - After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters (10,265) |
|---|
| 04/29/2010 | WO2009061247A8 Apparatus and method for treatment of pulp |
| 04/29/2010 | US20100101742 Process Of Treating A Lignocellulosic Material |
| 04/29/2010 | CA2739694A1 Method for manufacturing papermaking pulp |
| 04/28/2010 | EP2180095A1 Production method for bleached organic fibre materials, use of a bleaching agent for bleached organic fibre materials and bleached fibre materials |
| 04/28/2010 | EP2179026A2 Biomass treatment apparatus |
| 04/28/2010 | CN101698986A Energy-saving environment-friendly zero-emission method for circularly producing, pulping and bleaching at normal pressure by deoxidizing and leaching method |
| 04/27/2010 | CA2456538C Method in a paper or pulp process to control the chemical state of the pulp and circulation water system |
| 04/27/2010 | CA2435813C Bleaching of pulp with chlorine dioxide after alkaline bleaching |
| 04/27/2010 | CA2424699C Method and apparatus for reducing impurities in cellulose fibers for manufacture of fiber reinforced cement composite materials |
| 04/22/2010 | WO2010043766A1 Pulp processing method and system |
| 04/22/2010 | US20100096340 Control of development of biofilms in industrial process water |
| 04/21/2010 | EP2176461A1 Process for making paper and use of an acid/base treatment in papermaking |
| 04/14/2010 | CN1718918B Method of removing resin in paper pulp by multienzyme synergistic action |
| 04/14/2010 | CN101694075A Low energy consumption clean paper pulp extracting method and papermaking process thereof |
| 04/14/2010 | CN101446054B Total-chlorine-free bleaching method of paper pulp production line with annual output of more than 50,000 tons |
| 04/14/2010 | CN101260629B Physical method ecological paper pulp manufacturing technique |
| 04/14/2010 | CN101109160B Novel non-chlorine bleaching technique for bamboo pulp |
| 04/08/2010 | WO2010039092A1 Press washer for washing cellulose pulp |
| 04/08/2010 | CA2736723A1 Press washer for washing cellulose pulp |
| 04/07/2010 | EP2172591A1 Assembly and method for paper production |
| 04/07/2010 | EP2170811A1 Composition |
| 04/07/2010 | EP2170810A1 Composition |
| 04/07/2010 | CN101691715A Aluminum silicate fiber paper |
| 04/07/2010 | CN101691699A Deinking method of waste paper alkaline enzyme |
| 04/06/2010 | US7692004 Use of metal complex compounds as oxidation catalysts |
| 04/06/2010 | US7691227 mixing fibrilated fibers of cellulose, hemicelluloses and lignin with lime to form an aqueous slurry; adding CO2 to the slurry to form a bleached mechanical pulp comprising crystallized CaCO3 mechanically bonded to fiber forming coating; resistant to yellowing under light; chemithermomechanical pulp |
| 04/06/2010 | CA2240390C Novel xylanases, genes encoding them, and uses thereof |
| 04/01/2010 | WO2010036194A1 An apparatus for washing and/or dewatering pulp |
| 04/01/2010 | WO2010036193A1 Sealing arrangement and apparatus for treating cellulose pulp |
| 04/01/2010 | WO2010036192A1 An apparatus for washing and/or dewatering pulp |
| 04/01/2010 | CA2736200A1 An apparatus for washing and/or dewatering pulp |
| 04/01/2010 | CA2736197A1 Sealing arrangement and apparatus for treating cellulose pulp |
| 04/01/2010 | CA2735982A1 An apparatus for washing and/or dewatering pulp |
| 03/31/2010 | CN101688362A Method for treating liquid flows at a chemical pulp mill |
| 03/31/2010 | CN101688361A Method to remove hemicellutose from cellutosic fibres using a solution of ammonia and hydrogen peroxide |
| 03/31/2010 | CN101684625A Sodium hypochlorite bleaching of straw pulp |
| 03/24/2010 | CN101680174A Method for treating liquid flows at a chemical pulp mill |
| 03/24/2010 | CN101680173A Methods to detect organic contaminants in pulp and fiber |
| 03/24/2010 | CN101680172A Methods to control organic contaminants in fibers |
| 03/24/2010 | CN101680171A Arrangement for washing and dewatering cellulose pulp |
| 03/24/2010 | CN101680170A Arrangement for washing and dewatering cellulose pulp |
| 03/24/2010 | CN101680169A Apparatus and method for washing pulp in a rotatable drum |
| 03/24/2010 | CN101680168A Method in connection with the washing of pulp at a chemical pulp mill |
| 03/24/2010 | CN101680167A Method for the breakdown of lignin |
| 03/24/2010 | CN101678557A Method for the production of bleached wood particles and wood materials ranging from light-toned to white |
| 03/24/2010 | CN100595375C Chemimechanical desilication of nonwood plant materials |
| 03/24/2010 | CN100595276C Modification of xylanase to improve thermophilicity, alkophilicity and thermostability |
| 03/23/2010 | CA2651702C Fiberboards, uses and methods of preparation thereof |
| 03/23/2010 | CA2482211C Method and apparatus for the feeding of fibres |
| 03/18/2010 | WO2010029214A1 A method for manufacturing mechanical pulp and a use of the mechanical pulp |
| 03/18/2010 | US20100068366 dispersion of relatively small gas bubbles with relatively high surface areas into a liquid; to promote absorption or stripping, with or without chemical reaction, or for foam or froth production; oxygen sparging for bleaching pulp in the manufacture of paper; N2 sparging to remove oxygen from oil, juice |
| 03/18/2010 | US20100065236 Method of producing and the use of microfibrillated paper |
| 03/18/2010 | US20100065233 Method for bleaching chemical paper pulps by final ozone treatment at high temperature |
| 03/17/2010 | CN101675191A Method of monitoring and inhibiting scale deposition in pulp mill evaporators and concentrators |
| 03/17/2010 | CN101671974A Sunflower stalk pulping technology |
| 03/10/2010 | EP2160492A1 Carbon fibers from kraft softwood lignin |
| 03/10/2010 | CN101666054A Method for producing tissue paper |
| 03/10/2010 | CN100593600C A process for the treatment of fibre material and new composition |
| 03/09/2010 | US7674851 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 |
| 03/03/2010 | EP2158357A1 Method to remove hemicellutose from cellutosic fibres using a solution of ammonia and hydrogen peroxide |
| 02/25/2010 | WO2010020583A1 Improved bleach process |
| 02/25/2010 | US20100048371 press roll for washing and/or dewatering pulp, and a method for manufacturing or repairing such a press roll |
| 02/24/2010 | CN100591843C New composition and process for the treatment of fibre material |
| 02/24/2010 | CN100591842C Method for reducing the extractives content of high-yield pulps and method for producing bleached high-yield pulps |
| 02/23/2010 | CA2457785C Enzymatic treatment of pulp to increase strength using truncated hydrolytic enzymes |
| 02/18/2010 | WO2010019425A1 Pulping additives for a reduction of resin from kraft pulp |
| 02/18/2010 | CA2734031A1 Pulping additives for a reduction of resin from kraft pulp |
| 02/17/2010 | EP2152960A1 Arrangement for washing and dewatering cellulose pulp |
| 02/17/2010 | EP2152959A1 Arrangement for washing and dewatering cellulose pulp |
| 02/17/2010 | CN201406604Y Mechanical deinking pulper |
| 02/17/2010 | CN101649572A Top unloader of pressure type upwash bleaching tower |
| 02/16/2010 | CA2337160C Method of providing papermaking fibers with durable curl and absorbent products incorporating same |
| 02/10/2010 | EP2150489A1 Method for preparing dithionite |
| 02/09/2010 | CA2462264C Method and system for the treatment of pulp prior to ozone bleaching |
| 02/04/2010 | US20100027826 Manufacturing method of paper making part for loudspeaker, paper making part for loudspeaker, diaphragm for loudspeaker, sub cone for loudspeaker, dust cap for loudspeaker and loudspeaker |
| 02/04/2010 | US20100024997 Process for the deresination of pulp and use of carbon dioxide or (bi) carbonate therefor |
| 02/04/2010 | DE102008040884A1 Recovering e.g. molybdate from aqueous solution comprises contacting the solution with cationized inorganic carrier material, separating carrier material from the solution, contacting carrier material with aqueous solution and separating |
| 02/03/2010 | CN101638859A High-whiteness bleaching method for high-yield bamboo wood pulp |
| 01/28/2010 | US20100019213 Fire retardant antiflux fiber and its production process |
| 01/28/2010 | US20100018658 Laccases for Bio-Bleaching |
| 01/27/2010 | EP2148000A2 Method for obtaining cellulose |
| 01/27/2010 | EP2147149A1 Methods to control organic contaminants in fibers |
| 01/27/2010 | EP2147148A1 Apparatus and method for washing pulp in a rotatable drum |
| 01/27/2010 | CN201390915Y Planar valve of drum-type vacuum washing engine |
| 01/27/2010 | CN100585070C Method of preparing bleaching paste using bioenzyme |
| 01/27/2010 | CN100585069C Method for papermaking utilizing waste paper containing wax |
| 01/27/2010 | CN100585068C Continuous boiling method and its device for semi chemical mechanical slurry of long bast fiber raw material |
| 01/26/2010 | US7651588 To be used particularly in a washing step for removing ink particles and ash content from an aqueous solution of paper materials regenerated as a result of de-inking or de-ashing of wastepaper such as newspaper or a in a step of dehydrating the aqueous solution or thickening pulp raw materials |
| 01/26/2010 | CA2157667C Enzymes with xylanase activity from aspergillus aculeatus |
| 01/20/2010 | EP2145046A1 Methods to detect organic contaminants in pulp and fiber |
| 01/20/2010 | EP1430177B1 Seal at press rollers |
| 01/20/2010 | CN100582363C Method of bleaching cellulose pulp in bleaching pipeline |
| 01/20/2010 | CN100582362C Method for washing paper pulp in bleaching pipeline and bleaching pipelinece |
| 01/14/2010 | US20100006245 Pulp and process for pulping |
| 01/13/2010 | EP2142699A1 Method of monitoring and inhibiting scale deposition in pulp mill evaporators and concentrators |
| 01/13/2010 | EP2142348A1 Method for the production of bleached wood particles and wood materials ranging from light-toned to white |
| 01/13/2010 | CN201381457Y Pressing roll of pressing device for filter-pressing wet sizing machine |
| 01/13/2010 | CN201381456Y Slant-spiral paper pulp fiber thickener |
| 01/13/2010 | CN101627160A Process for the control of pitch |
| 01/07/2010 | US20100003737 Partially fluorinated sulfonated surfactants |