| Patents for D21C 5 - Other processes for obtaining cellulose, e.g. cooking cotton linters (5,432) |
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| 09/25/2013 | CN103321078A Cellulose biological extraction method combining saccharomycetes separation technology with soft-rot fungi decomposition technology |
| 09/25/2013 | CN103321077A Cellulose biological extraction method combining saccharomycetes separation technology with black rot fungi decomposition technology |
| 09/25/2013 | CN103321076A Cellulose biological extraction method combining saccharomycetes separation technology with gloeophyllum trabeum decomposition technology |
| 09/25/2013 | CN103321075A Method for recovering low-boiling-point alcohol process pulping waste liquid components |
| 09/25/2013 | CN103321074A Method for degrading plant lignin by using Bacillus subtilis engineering bacterial |
| 09/25/2013 | CN103320548A Method for preparing xylooligosaccharide and cellulose by using crop straws |
| 09/25/2013 | CN103320003A Preparation method for nanometer cellulose composite waterborne polyurethane paint film on wood surface |
| 09/18/2013 | CN103314060A Deinking compositions and methods of use |
| 09/11/2013 | CN103290715A Waste paper deinking process and apparatus thereof |
| 09/11/2013 | CN103290714A Production method of recycled paperboard |
| 09/11/2013 | CN103289976A Novel variant of hypocrea jecorina CBH1 cellulases |
| 09/09/2013 | DE202011110357U1 Rotor Rotor |
| 09/06/2013 | WO2013106170A3 Methods to control organic contaminants in fibers |
| 09/04/2013 | CN103282489A Variants of polypeptides having cellulolytic enhancing activity and polynucleotides encoding same |
| 09/04/2013 | CN102261004B Biological-chemical combined pretreatment method of lignocellulosic materials |
| 09/03/2013 | US8524036 Polyester surfactants for deinking |
| 08/29/2013 | WO2013124265A1 Regeneration of cellulose |
| 08/29/2013 | WO2013036898A3 Improving properties of paper materials |
| 08/28/2013 | EP2630483A2 Enhanced method for monitoring the deposition of organic materials in a papermaking process |
| 08/28/2013 | EP2630296A1 Processing of wood fibre fraction |
| 08/28/2013 | CN1809630B Isolation and use of decay fungi |
| 08/28/2013 | CN103266521A Viscosity-reducing and concentrating method of black liquor |
| 08/28/2013 | CN103266520A Preparation method of bleached straw pulp |
| 08/28/2013 | CN103266519A Preparation method of bleached straw pulp |
| 08/28/2013 | CN103266518A Method for reducing silicon content in black liquor |
| 08/22/2013 | WO2013122917A1 Methods for detoxifying a lignocellulosic hydrolysate |
| 08/21/2013 | CN103255665A Method for preparing paper pulp by utilizing leftovers and wastes of paper pulp molded tableware |
| 08/21/2013 | CN103255664A Process for extracting high-quality fiber from reclaimed waste paper |
| 08/21/2013 | CN103255663A Method for improving efficiency of catalytically oxidizing cellulose by tetramethyl piperidine through pre-treatment |
| 08/21/2013 | CN103255662A Preparation method of nanometer fibril enteromorpha cellulose |
| 08/21/2013 | CN102212976B Method for separating bagasse cellulose from lignin |
| 08/15/2013 | WO2013063356A3 Method and composition for enzymatic treatment of fiber for papermaking, and paper products made therewith |
| 08/15/2013 | CA2855451A1 Gh61 polypeptide variants and polynucleotides encoding same |
| 08/14/2013 | CN203128929U Crude fiber regeneration device utilizing vacuum adsorption method in synchronous organization and processing |
| 08/14/2013 | CN103243599A Process for recycling and preparing coated white board paper by using waste paper |
| 08/14/2013 | CN103243597A Non-wood raw material clean pulping method |
| 08/07/2013 | EP2622128A1 Method for refining, in an enzymatic medium, paper pulp comprising cellulose fibers in order to reduce the length of said fibers |
| 08/07/2013 | EP2622070A1 Variants of polypeptides having cellulolytic enhancing activity and polynucleotides encoding same |
| 08/07/2013 | EP2622068A1 Variants of polypeptides having cellulolytic enhancing activity and polynucleotides encoding same |
| 08/07/2013 | EP2622029A1 Deinking compositions and methods of use |
| 08/07/2013 | CN103237891A Variants of polypeptides having cellulolytic enhancing activity and polynucleotides encoding same |
| 08/07/2013 | CN103233385A Processing method of broken gluing objects, broken pulp, papermaking method and paper |
| 08/07/2013 | CN103233384A Manufacturing method of silk paper |
| 08/07/2013 | CN103233383A Production process of purified cotton with super-high viscosity |
| 08/07/2013 | CN103233382A Method for degrading plant lignin by using pichia pastoris engineered bacteria |
| 08/07/2013 | CN103232547A Process method for improving crystallinity degree of microcrystalline cellulose |
| 07/31/2013 | EP1899272B1 Use of ashes as an alternative alkalising agent |
| 07/31/2013 | CN102586204B Novel acid pectinase PEC2 and gene and application thereof |
| 07/25/2013 | DE102012200958A1 Flotationsverfahren Flotation |
| 07/24/2013 | CN203080349U Device for producing cardboard paper from paper mill sludge and waste paper |
| 07/24/2013 | CN103215837A Method for preparing unbleached pulp and producing high-strength corrugated paper from cotton stalk |
| 07/24/2013 | CN103215836A Microbial strain expressing glycosidase and application technique thereof to biological enzyme papermaking |
| 07/24/2013 | CN103215835A Heating-free no-sewage purified cotton manufacturing method |
| 07/24/2013 | CN103215833A Method for removing broken paper sticker and papermaking method |
| 07/23/2013 | US8491753 Composition and method for improving retention and drainage in papermaking processes by activating microparticles with a promoter-flocculant system |
| 07/18/2013 | WO2013105040A1 Process for destructuring a cellulose pulp, resulting product and uses of the product |
| 07/10/2013 | CN103194924A Method for extracting cellulose from straw stalk by using imidazole ion liquid |
| 07/10/2013 | CN103194923A Preparation method of cutting-free rice and wheat straws by alkaline cooking through vertical digester |
| 07/09/2013 | US8480851 Bamboo fiber material |
| 07/04/2013 | WO2013098789A1 Improved pre-soaking process for biomass conversion |
| 07/04/2013 | WO2013098219A1 Process for reducing fluorescence in pulp |
| 07/04/2013 | WO2011100530A8 Method for removing ink from paper |
| 07/03/2013 | EP2610346A1 Improved pre-soaking process for biomass conversion |
| 07/03/2013 | EP2609249A1 Process for the treatment of a paper pulp |
| 07/03/2013 | CN103189565A Method and arrangement |
| 07/03/2013 | CN103184701A Process and apparatus for organic compound fertilizer co-produced with straw papermaking |
| 07/03/2013 | CN103184700A Preparation method for dissolving pulp used for viscose fiber through modification of chemical pulp |
| 06/27/2013 | WO2013092887A2 High surface area composition comprised of lignin |
| 06/26/2013 | EP2606140A1 A process for the conversion of biomass of plant origen, and a combustion process |
| 06/26/2013 | CN103180728A Enhanced method for monitoring deposition of organic materials in papermaking process |
| 06/26/2013 | CN103180337A Polypeptide having swollenin activity and uses thereof |
| 06/26/2013 | CN103174052A Tobacco sheet preparing method and tobacco sheet |
| 06/26/2013 | CN103174048A Use of modified inorganic particles in deinking |
| 06/26/2013 | CN103174047A Process for refining wheat-straw pulp by hydrogen peroxide enzyme method |
| 06/26/2013 | CN103174046A Method for preparing nanometer microcrystalline cellulose by combining acid hydrolysis and ultrasonic treatment |
| 06/26/2013 | CN103174045A Production method of bark-forming handmade paper bleaching pulp |
| 06/26/2013 | CN103170495A Method and system for recovering waste paper solid wastes |
| 06/26/2013 | CN102277764B Method for preparing environmental-friendly cardboard paper by deinked sludge of wastepaper |
| 06/20/2013 | WO2013090272A1 Enzymatic pre-treatment of market pulp to improve fiber drainage and physical properties |
| 06/19/2013 | CN103160160A Surfactant for wastepaper deinking, and preparation method thereof |
| 06/18/2013 | US8466204 Deinking a cellulosic substrate using magnesium hydroxide |
| 06/18/2013 | CA2684236C Flotation apparatus |
| 06/13/2013 | US20130146239 Enzymatic pre-treatment of market pulp to improve fiber drainage and physical properties |
| 06/12/2013 | CN202989650U Deinking device for mixed office waster paper |
| 06/12/2013 | CN202989649U Wastepaper deinking pulp printing ink particle separation device |
| 06/12/2013 | CN202989648U Production system of high-grade carbon paper through whole waste paper deinking pulp |
| 06/12/2013 | CN202989647U Wastepaper deinking system |
| 06/12/2013 | CN103147344A Regenerated leather and preparation method thereof |
| 06/12/2013 | CN103147343A Bobbin body paper made of waste paper pulp and production process thereof |
| 06/12/2013 | CN103147342A Method for recycling wax-containing waste paper |
| 06/12/2013 | CN103147337A Method for preparing paper through waste textile fibers |
| 06/12/2013 | CN103147335A Crude fiber regeneration equipment for synchronous organization treatment and vacuum adsorption |
| 06/12/2013 | CN103147334A Waste paper deinking method using mixed enzyme |
| 06/12/2013 | CN103147333A Self-suction combined jet device for flotation deinking |
| 06/12/2013 | CN103147332A Tri-displacement cooking method |
| 06/12/2013 | CN103145860A Combined extraction process of pea starch and protein |
| 06/12/2013 | CN102352573B Passive gas inflow type floating and deinking device |
| 06/12/2013 | CN102321993B Pretreatment method for biomass fiber material |
| 06/12/2013 | CN102304865B Method for extracting cellulose from tobacco |
| 06/12/2013 | CN102101915B Separation method for agriculture and forestry biomass components |