| Patents for D21C 5 - Other processes for obtaining cellulose, e.g. cooking cotton linters (5,432) |
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| 08/10/2006 | CA2586187A1 Use of arabinoxylanns in the form of additives for producing paper |
| 08/09/2006 | EP1688535A1 Method for removing unsaturated uronic acid in chemical pulp for papermaking |
| 08/09/2006 | EP1688534A1 Use of Arabinoxylanes in paper production |
| 08/02/2006 | EP1604060A4 Method for producing corn stalk pulp and paper products from corn stalk pulp |
| 08/02/2006 | EP0815208B1 Amylase variants |
| 08/02/2006 | CN1811054A Cow dung paper pulp producing process with cow dung as material |
| 07/27/2006 | US20060163393 Apparatus and method for automatically defibering and extracting kraft pulp from old corrugated cardboard |
| 07/26/2006 | EP1683860A2 Novel endoglucanases |
| 07/26/2006 | CN1809630A Isolamento e uso de fungos deteriorados |
| 07/12/2006 | EP1678373A1 Method for regulating whiteness for removal of printing ink in deinking installations and deinking installation comprising a flotation cell for removal of printing ink |
| 07/12/2006 | EP1289664B1 Method and system for utilising waste |
| 07/11/2006 | US7074299 Process for using a phloroglucinol color delta to control blending, deinking and bleaching of groundwood-containing secondary pulp |
| 07/06/2006 | WO2006071598A1 Neutral cellulase catalytic core and method of producing same |
| 07/06/2006 | CA2591221A1 Neutral cellulase catalytic core and method of producing same |
| 07/05/2006 | CN1796655A Method of making carboxyalkyl cellulose polymer network |
| 07/05/2006 | CN1796654A Method for making carboxyalkyl cellulose |
| 07/04/2006 | CA2214019C Treatments for inhibiting deposition in papermaking systems |
| 06/29/2006 | DE102004060283A1 Verfahren zur Gewinnung von Hemicellulosen aus lignocellulosischem Material A process for recovering hemicellulose from lignocellulosic material |
| 06/28/2006 | CN1793494A Process for producing mica pulp by mica paper waste material |
| 06/28/2006 | CN1792862A Integreted tech., or treating yellow ginger processing and waste water |
| 06/28/2006 | CN1261571C Microbial swollenin protein, DNA sequences encoding |
| 06/21/2006 | EP1448846A4 Microwave pre-treatment of logs for use in making paper and other wood products |
| 06/15/2006 | US20060124256 Processing a feed stream to generate a rejects stream enriched in high density stickies and treating the rejects stream enriched in high density stickies with a flotation stage to selectively remove stickies and generate an intermediate flotation purified stream with a reduced stickies content; feeding |
| 06/14/2006 | EP1668113A2 Laccases, nucleic acids encoding them and methods for making and using them |
| 06/14/2006 | CN1788119A Use of water-soluble crosslinked cationic polymers for controlling deposition of pitch and stickies in papermaking |
| 06/08/2006 | CA2589652A1 Printing ink and coating compositions containing starch |
| 06/07/2006 | EP1664421A1 Chemimechanical desilication of nonwood plant materials |
| 06/07/2006 | EP1662976A2 THERMALLY MODIFIED MICROBIAL-DERIVED CELLULOSE FOR i IN VIVO /i IMPLANTATION |
| 06/07/2006 | CN1782082A Purified polyporus laccases and nucleic acids encoding same |
| 06/07/2006 | CN1782081A Purified polyporus laccases and nucleic acids encoding same |
| 06/06/2006 | CA2163494C Improvements to air injection devices in a pulp flow to effect deinking |
| 06/01/2006 | WO2006056737A1 Improved biocomposite material |
| 05/31/2006 | EP1141336B1 Variants of egiii-like cellulase and compositions thereof |
| 05/31/2006 | EP1034280B1 Cellulase produced by actinomycetes and method of producing same |
| 05/31/2006 | CN1779070A Full component separation for cell wall of agricultural refuse |
| 05/24/2006 | CN1777717A Deinking agent and deinking agent composition |
| 05/24/2006 | CN1777716A Enzymatic treatment of paper making pulps |
| 05/18/2006 | US20060102305 Slurry of agricultural fibres and its products |
| 05/18/2006 | US20060102299 Method for enzymatic deinking of waste papers, the waste papers so treated and the treating composition |
| 05/18/2006 | US20060102298 Method of deinking |
| 05/18/2006 | DE10215620B4 Verwendung einer polymeren Wasserglasverbindung Use of a polymeric water glass compound |
| 05/17/2006 | CN1772907A Purified polyporus laccases and nucleic acids encoding same |
| 05/17/2006 | CA2523736A1 Method for enzymatic deinking of waste papers, the waste papers so treated and the treating composition |
| 05/10/2006 | CN1771366A Process for bio-bleaching of kraft pulp using bacterial consortia |
| 05/03/2006 | EP1652999A1 Process for producing recycled pulp, method of modifying pulp fiber surface and contaminant, and pulp treating apparatus |
| 04/26/2006 | EP1649103A1 Recycling of lignocellulose based board materials |
| 04/26/2006 | CN1763306A Neutral deinking method for waste newspaper |
| 04/26/2006 | CN1763305A Enzymatic deinking method for waste newspaper |
| 04/20/2006 | US20060084160 Enzyme multimer and process of producing same |
| 04/19/2006 | EP1646751A1 Method of curling fiber and absorbent sheet containing same |
| 04/19/2006 | CN1252128C Block polymerized non-ion polyether deinking agent and application for the composition |
| 04/15/2006 | CA2522144A1 Method for bleaching wood fibers |
| 04/12/2006 | CN1757823A Method capable of degradating high medium density fiber board, chipboard edge and head waste material |
| 04/05/2006 | CN2769312Y Disc type thermal dispersing device used during paper-making process |
| 04/04/2006 | US7022827 Xylanase, microorganisms producing it, DNA molecules, methods for preparing this xylanase and uses of the latter |
| 03/30/2006 | WO2006032723A1 Novel laccase enzyme and use thereof |
| 03/30/2006 | US20060065376 Method of deinking recycled paper employing centrifigal cleaners |
| 03/30/2006 | CA2580211A1 Novel laccase enzyme and use thereof |
| 03/29/2006 | CN1247855C Deinking method for waste paper float selection |
| 03/28/2006 | US7018510 Process for bio-bleaching of Kraft pulp using bacterial consortia |
| 03/23/2006 | WO2006029552A1 A method for manufacturing paper pulp, comprising the following steps of physical smashing and biological degrading |
| 03/23/2006 | US20060062765 Lentiviral vector-mediated gene transfer and uses thereof |
| 03/23/2006 | US20060060319 Method of making absorbent sheet from recycle furnish |
| 03/23/2006 | US20060060316 Biopulp for non-woody fiber plants and biopulping method thereof |
| 03/22/2006 | EP1637596A1 Alkaline bacillus amylase |
| 03/21/2006 | US7015341 Triacylglycerol oligomer products and methods of making same |
| 03/21/2006 | CA2180976C Deinking processes and novel polymers for use in these |
| 03/16/2006 | WO2005103372A3 Oxidative, reductive, hydrolytic and other enzymatic systems for oxidizing, reducing, coating, coupling or cross-linking natural and artificial fiber materials, plastic materials or other natural or artificial monomer to polymer materials |
| 03/16/2006 | US20060054290 Novel catalytic activities of oxidoreductases for oxidation and or bleaching |
| 03/15/2006 | EP1634992A1 Removal of extractable substances from paper |
| 03/14/2006 | CA2109111C Use of cellulase for pulp treatment |
| 03/08/2006 | EP1632557A2 Novel alkaline cellulases |
| 03/08/2006 | CN1743546A Method of preparing paper pulp utilizing microwave technique |
| 03/08/2006 | CN1743153A Arundo donax pulp, paper product and flakeboard |
| 03/08/2006 | CN1244735C Deinking technique for news bogus paper through enzyme |
| 03/07/2006 | US7008505 Eucalyptus biomechanical pulping process |
| 03/02/2006 | DE4443906B4 Verfahren zum Recyceln eines ein Bild tragenden Mediums und ein Bild ablösendes Teil hierfür Method of recycling a medium carrying an image and an image detaching part of this |
| 02/22/2006 | CN1243150C Pulping process for corn stover and other nonwood fibrous materials |
| 02/21/2006 | CA2250572C Repulpable moisture resistant coated articles and methods of making and repulping the same |
| 02/16/2006 | WO2006015847A1 Process for the enzymatic oxidation of a substrate comprising a primary hydroxyl group |
| 02/16/2006 | US20060035361 Novel cellulase tolerant to surfactants |
| 02/14/2006 | CA2064045C Oxygen bleaching of pulp |
| 02/08/2006 | CN1240900C Biological enzyme deinking method for waste paper |
| 02/07/2006 | CA2193448C Process for the production of cellulose |
| 02/02/2006 | US20060021724 comprising a xylanolytic bacterial strain, providencia and a ligninolytic bacteria consisting of serratia, and pseudomonas; biologically pure cultures; environmentally friendly, safe and efficient |
| 01/26/2006 | US20060020122 Xylanase, microorganisms producing it, DNA molecules, methods for preparing this xylanase and uses of the latter |
| 01/26/2006 | US20060016568 Process for sheeting raw cotton linters |
| 01/25/2006 | EP1618249A2 Enzymatic treatment of paper making pulps |
| 01/25/2006 | EP1618248A1 Impregnation of chips with an acid liquid prior to a sulphate pulping process |
| 01/24/2006 | US6989191 For use in labels |
| 01/24/2006 | US6988682 Method and system for utilizing waste |
| 01/19/2006 | US20060011314 Process for pulping waste paper containing impurities |
| 01/18/2006 | EP1616994A1 Deinking agent and deinking agent composition |
| 01/18/2006 | CN1723279A Culture having phenol oxidase-like activity |
| 01/18/2006 | CN1721621A Process for pulping of contaminated wastepaper |
| 01/11/2006 | CN1718917A Production technology of extra low viscose refined cotton |
| 01/11/2006 | CN1236137C Bleaching pulp |
| 01/04/2006 | EP1611282A1 Process for bio-bleaching of kraft pulp using bacterial consortia |
| 01/04/2006 | EP0815209B1 Novel endoglucanases |
| 01/04/2006 | CN1715555A Continuous boiling method and its device for semi chemical mechanical slurry of long bast fiber raw material |