| Patents for D21B 1 - Fibrous raw materials or their mechanical treatment (6,805) |
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| 03/08/2011 | CA2480589C A method and a device for measuring stress forces in refiners |
| 03/03/2011 | WO2010093829A3 Processing biomass |
| 03/02/2011 | EP2290159A2 Method of extracting fibres from a mixture comprising fibres |
| 03/02/2011 | EP2290158A2 Used paper recycling apparatus and its constituent devices |
| 03/02/2011 | EP2290157A2 Used paper recycling apparatus and its constituent devices |
| 02/24/2011 | WO2011021528A1 Waste paper recycling device |
| 02/24/2011 | WO2011021274A1 Screw segment |
| 02/24/2011 | US20110042027 refining segment for pulp processing with a deflector arrangement attached at the bars surfaces |
| 02/22/2011 | US7892400 High defiberization chip pretreatment apparatus |
| 02/17/2011 | WO2010081726A3 Low-bark wood fibers and process for the production thereof |
| 02/17/2011 | US20110036523 Method for manufacturing mechanical pulp |
| 02/17/2011 | US20110036522 Method for providing a nanocellulose involving modifying cellulose fibers |
| 02/16/2011 | EP2284313A1 Cleaning method of used paper recycling apparatus, cleaning system, and used paper recycling apparatus |
| 02/16/2011 | EP1697580B1 Process for increasing the refiner production rate and/or decreasing the specific energy of pulping wood |
| 02/15/2011 | CA2480587C A method and a device for measuring stress forces in refiners |
| 02/10/2011 | WO2011016330A1 Device for producing waste paper pulp, device for waste paper recycling treatment, and method for running device for producing waste paper pulp |
| 02/10/2011 | WO2011015708A1 Mechanical pulp, as well as a system and method for producing mechanical pulp |
| 02/10/2011 | DE102010020936A1 Pulper mit einem Zuführraum und einem Verdrängerraum Pulper with a supply chamber and a displacer |
| 02/09/2011 | EP2281941A2 Used paper recycling apparatus and its constituent devices |
| 02/09/2011 | CN201738178U Co-rotating superimposed twin screw pulping machine |
| 02/09/2011 | CN201738177U Device for producing combined precipitation fiber of insulation paper |
| 02/09/2011 | CN201736301U Novel bamboo fiber rolling machine |
| 02/09/2011 | CN101358436B Banana tree paper manufacture technique, slurry storage technique and sewage disposal technique thereof by soft chemistry method |
| 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 | CA2482770C Arrangement for treating pulpstone surface |
| 02/03/2011 | US20110024534 Pulper with a torque motor |
| 02/03/2011 | DE102009035247A1 Pulper mit Torque-Motor Pulper with torque motor |
| 02/02/2011 | EP2280116A1 Pulper with torque motor |
| 02/02/2011 | EP2279041A1 A refining segment for pulp processing with a deflector arrangement attached at the bars surfaces |
| 02/02/2011 | CN1863600B Refining element |
| 02/02/2011 | CN101962919A Novel catalytic reactor method for manufacturer-grade paper pulp, native lignin and single cell protein |
| 01/26/2011 | CN201722558U Material scatter machine |
| 01/26/2011 | CN1997791B Method for mechanical pulp production |
| 01/26/2011 | CN101171388B Process for producing mechanical pulp suitable for paper or cardboard making |
| 01/25/2011 | CA2427372C Method and arrangement for feeding wood batches into a pressure grinder |
| 01/20/2011 | US20110011544 Wet pulping system and method for producing cellulosic insulation with low ash content |
| 01/19/2011 | EP2275600A2 Used paper recycling apparatus and its constituent devices |
| 01/19/2011 | EP2274471A1 A method for pulping waste paper |
| 01/19/2011 | CN101949102A Classified dust collecting device of tablets |
| 01/19/2011 | CN101671974B Sunflower stalk pulping technology |
| 01/19/2011 | CN101503867B Method for producing wrapping paper by oil palm empty fruit bunches mechanical pulping |
| 01/19/2011 | CN101492891B Method for producing and bleaching slasher sizing with oil windmill palm empty fruit fibre |
| 01/12/2011 | CN201704573U Plant fiber disassembling system |
| 01/12/2011 | CN201704572U Bamboo proto fiber rolling compaction dividing machine |
| 01/12/2011 | CN201704571U Raw bamboo fiber multi-roll rolling machine |
| 01/12/2011 | CN101220569B Pulping bleaching assistant and cold soaking pulping process |
| 01/06/2011 | US20110000631 Processing of lignocellulosic and related materials |
| 01/05/2011 | EP2270278A1 Used paper processing apparatus |
| 01/05/2011 | CN101939480A Methods and apparatus for hydrolyzing cellulosic material |
| 01/05/2011 | CN101660283B Wet materials preparing method of grass fiber raw materials, materials preparing equipment and roller type grass washing machine thereof |
| 01/05/2011 | CN101613975B Method for preparing bleached chemi-mechanical pulp for culture paper making by using cotton wood to process remainder |
| 01/05/2011 | CN101230491B Cotton stalk skin-core mechanical separation method and special equipment |
| 01/04/2011 | US7862684 bleaching the pig hair with hydrogen peroxide in an alkaline solution, separation and drying, forming particle size in the range of from 0.5 to 4 mm; use as cellulose fibres |
| 12/29/2010 | WO2010149711A2 Method and apparatus for defibrillating cellulose fibres |
| 12/29/2010 | CN201686884U Paper making device |
| 12/29/2010 | CN101929087A Efficient impurity removal process for bagasse |
| 12/29/2010 | CN101549518B Manufacturing method of medium- and high-density flame-retardant fiber board |
| 12/29/2010 | CN101439525B Method for producing multi-layer board using poplar board, enzyme treated lumber and stalk fibre |
| 12/29/2010 | CA2766294A1 Method and apparatus for defibrillating cellulose fibres |
| 12/23/2010 | WO2010146244A1 Paper product and process for making same |
| 12/23/2010 | WO2010146223A1 Method of making paper |
| 12/23/2010 | CA2764217A1 Method of making paper |
| 12/22/2010 | CN101435164B Modified production process of paper making level sulphate wood pulp plate |
| 12/22/2010 | CN101418528B Paper stuff made by white food packaging waste paper with abdomen film |
| 12/16/2010 | WO2010142147A1 Wastewater zero discharge process for paper-making using biological pulping |
| 12/16/2010 | WO2010093832A3 Saccharifying biomass |
| 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 | CN101918638A Method for removing unwanted matter from an aqueous paper fiber suspension using at least one flotation installation |
| 12/15/2010 | CN101914860A Plant fiber pretreatment method and method for preparing polymer-based composite material |
| 12/15/2010 | CN101914859A Method for extracting microcrystalline cellulose from sea squirts and preparing lyotropic cholesteric crystal |
| 12/15/2010 | CN101914858A Method for eliminating water drippage of mold of molding forming machine and molding forming machine |
| 12/09/2010 | WO2010139856A1 Method for coating a wear part, use of a wear part coated according to the method, wear part and refiner |
| 12/08/2010 | EP2258900A2 Belt meandering preventive device of used paper recycling apparatus, paper making device and used paper recycling apparatus |
| 12/08/2010 | EP2258489A1 Device for parcelling out cardboard sections |
| 12/08/2010 | EP2257669A1 Ionic liquid systems for the processing of biomass, their components and/or derivatives, and mixtures thereof |
| 12/08/2010 | CN1859978B Refining surface and a blade segment for a refiner |
| 12/08/2010 | CN101910508A Pulper for pulverizing and suspending paper material |
| 12/08/2010 | CN101906728A Wood chip helical extruding and tearing machine |
| 12/08/2010 | CN101613976B Method for preparing bleached chemi-mechanical pulp by using whole straw of mulberry tree branch |
| 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 |
| 12/08/2010 | CN101492892B Method for producing paper-pulp by using cotton stalk core or kendir stalk core |
| 12/08/2010 | CN101368353B Preparation method of technique paperboard |
| 12/08/2010 | CN101092804B Light type paper with low whiteness and without any chlorine for textbook and fabricating method |
| 12/01/2010 | CN101899793A Used paper recycling apparatus, belt meandering preventive device and paper making device |
| 12/01/2010 | CN101328695B Production process of cotton pulp for manufacturing automobile oil-gas filter paper |
| 12/01/2010 | CN101225620B Method for preparing high-whiteness chemical pulp and paper products thereof by using corn stalk |
| 11/25/2010 | WO2010133749A1 A pulper treating fiber mass |
| 11/25/2010 | US20100294443 Manufacturing method of bamboo chip and manufacturing method bamboo fiber using the bamboo chip |
| 11/25/2010 | CA2819456A1 Methods for pretreating biomass |
| 11/24/2010 | CN201648837U Energy-saving continuous steam explosion equipment |
| 11/24/2010 | CN101892607A Method for processing paper for rice mulching cultivation |
| 11/18/2010 | CA2748137A1 Paper filler composition |
| 11/17/2010 | CN201634946U Paper relic restoration paper making equipment system |
| 11/17/2010 | CN101469454B Method for extracting fiber from oil palm fruit bundle and fiber obtained thereby |
| 11/10/2010 | EP2248943A2 Dewatering device of used paper recycling apparatus and used paper recycling apparatus |
| 11/10/2010 | EP2248942A1 Paper making device of used paper recycling apparatus and used paper recycling apparatus |
| 11/10/2010 | EP2247781A2 System and method for preextraction of hemicellulose through using a continuous prehydrolysis and steam explosion pretreatment process |
| 11/10/2010 | CN201627109U Rumination type high consistency pulper |