| Patents for D21B 1 - Fibrous raw materials or their mechanical treatment (6,805) |
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| 06/08/2011 | CN201857549U Two-way feeding device used in production line for hygienic product |
| 06/08/2011 | CN201857548U Pulping rotary cutter |
| 06/08/2011 | CN201857547U D-shaped pulper |
| 06/08/2011 | CN102086603A Automatic waste paper recycling exchange machine |
| 06/08/2011 | CN101736634B Process for deinking office waste paper |
| 06/08/2011 | CN101440586B Paper-making method by mechanical fibration of maize straw |
| 06/07/2011 | CA2516708C Knife fixing method |
| 06/03/2011 | WO2011064023A1 Method for dissolving waste paper |
| 06/03/2011 | WO2011063799A1 Lignocellulosic fiber material, natural fiber reinforced plastic, and method for production |
| 06/01/2011 | DE102009057208A1 Verfahren zur Herstellung von lignozellulosen Papierfaserstoffen sowie daraus gewonnene Papiere, Kartone und Pappen Process for the production of lignocellulosic paper fibers and other materials derived papers, cartons and cardboard |
| 06/01/2011 | CN201850461U Pulp receiving tank device for hydrapulper |
| 06/01/2011 | CN201850460U Reverse rotation type kneading pulper of milling cutter |
| 06/01/2011 | CN102080338A Method for preparing PU (polyurethane) synthetic leather additive |
| 06/01/2011 | CN101624795B Gold and silver piece color intrigue decorative paper and manufacturing method thereof |
| 06/01/2011 | CN101139400B method for separating straw acetylized component and preparing straw cellulose acetate |
| 05/25/2011 | CN201843006U Paper destroying device |
| 05/25/2011 | CN102071586A Method for changing pencil sawdust into recycled paper |
| 05/24/2011 | CA2423775C Device for separating air from flotation foam |
| 05/19/2011 | US20110114273 Environmentally benign tcf bleaching sequences for as/aq wheat straw pulp |
| 05/18/2011 | EP2322713A1 Method for producing bamboo fibres as well as plastics containing same |
| 05/18/2011 | CN201835170U Wood chip screw extruding and tearing machine |
| 05/18/2011 | CN201835169U Fluff pulp dispersing device |
| 05/18/2011 | CN102066654A Paper products and methods and systems for manufacturing such products |
| 05/18/2011 | CN101492890B Method for removing exterior black bark of barks of paper mulberry |
| 05/17/2011 | US7943008 Method of pre-treating woodchips prior to mechanical pulping |
| 05/12/2011 | WO2011055148A1 Apparatus and method for the processing of cellulose fibres |
| 05/12/2011 | US20110108220 Pulp concentration adjusting method of used paper recycling apparatus, pulp concentration adjusting device of used paper recycling apparatus, and used paper recycling apparatus |
| 05/11/2011 | EP2319982A1 Pulp concentration adjusting method of used paper recycling apparatus, pulp concentration adjusting device of used paper recycling apparatus, and used paper recycling apparatus |
| 05/11/2011 | CN201826204U Grass washing machine |
| 05/11/2011 | CN1839228B Process for producing recycled pulp, method of modifying pulp fiber surface and contaminant, and pulp treating apparatus |
| 05/11/2011 | CN102057103A Apparatus for impregnating fibrous material with a liquid |
| 05/11/2011 | CN102051832A Pulp concentration adjusting method of used paper recycling apparatus, pulp concentration adjusting device of used paper recycling apparatus, and used paper recycling apparatus |
| 05/11/2011 | CN101736646B Preparation method of reed or straw cellulose pulp |
| 05/11/2011 | CN101389808B A method for manufacturing mechanical pulp and paper products |
| 05/11/2011 | CN101023214B Method and apparatus for removing sheets of fibres from banana plants for the production of paper products |
| 05/05/2011 | US20110105650 Method and system for preparing densified lignocellulosic pulp for use in thermoplastic composite manufacturing processes |
| 05/05/2011 | US20110104409 Inkjet print media |
| 05/05/2011 | US20110100571 Method for Producing Fine Paper Powder and Resin Composition Containing the Same |
| 05/04/2011 | CN1890428B Process for increasing the refiner production rate and/or decreasing the specific energy of pulping wood |
| 05/04/2011 | CN102041750A Manufacture process of all waste paper dried noodle cardboard paper |
| 05/04/2011 | CN101250831B Method for producing cattle manure paper-pulp using cattle manure as raw material |
| 05/03/2011 | CA2265914C Cellulase variants |
| 04/28/2011 | WO2011050298A2 Method for making fire retardant materials and related products |
| 04/28/2011 | WO2011047892A1 Method for removing solid matter from a fibrous material suspension by means of flotation |
| 04/28/2011 | WO2010149711A3 Method and apparatus for defibrillating cellulose fibres |
| 04/28/2011 | US20110095245 Method for Making Fire Retardant Materials and Related Products |
| 04/28/2011 | US20110094691 Process for regenerating post-consumer and post-industrial fibers |
| 04/27/2011 | CN102031727A Composite fiber packing plate and manufacturing method thereof |
| 04/27/2011 | CN101591868B Preparation for carbon fiber paper used for gas diffusion layer of proton exchange membrane fuel cell |
| 04/26/2011 | CA2490717C A refining surface for a refiner for defibering material containing lignocellulose |
| 04/21/2011 | WO2011045094A2 Pulper |
| 04/21/2011 | DE102009045613A1 Stofflöser Pulper |
| 04/21/2011 | DE102009042362A1 Verfahren zur Herstellung von Kartonplatten bzw. Kartonplattensträngen aus Altpapier A process for producing plasterboards or plaster board strands from wastepaper |
| 04/21/2011 | CA2777333A1 Pulper |
| 04/20/2011 | EP2310567A1 A pulper treating fiber mass |
| 04/20/2011 | CN102018186A Method for processing turnip paper |
| 04/20/2011 | CN101694078B Plant fiber mulching film raw material and pollution-free manufacture method thereof |
| 04/20/2011 | CN101250838B Method for producing hot-melting artistic anti-fake paper |
| 04/20/2011 | CN101160432B Disc housing |
| 04/13/2011 | EP2308599A1 Method for producing fine paper powder, and resin composition containing fine paper powder |
| 04/13/2011 | CN102015109A A refining segment for pulp processing with a deflector arrangement attached at the bars surfaces |
| 04/13/2011 | CN102011334A Method for pulping and making paper by using eucalyptus bark |
| 04/13/2011 | CN102009422A Crushing method for recycling bark resources |
| 04/13/2011 | CN101269510B Manufacturing technique for whitening type middle, high-density pressed-fibre board |
| 04/12/2011 | US7923039 Biopolymer extraction from plant materials |
| 04/06/2011 | EP2304100A2 Paper products and methods and systems for manufacturing such products |
| 04/06/2011 | EP2304099A1 Apparatus for impregnating fibrous material with a liquid |
| 04/06/2011 | CN201785654U Waterpower pulper |
| 04/06/2011 | CN201785653U Rotary drum type high-efficiency pulper |
| 04/06/2011 | CN201785652U Sealing device of hydrapulper |
| 04/06/2011 | CN102002882A Method for producing corrugated paper by utilizing papermaking waste residues and sludge |
| 04/06/2011 | CN102002875A Method for preparing microcrystalline cellulose by using carrot pomace |
| 04/06/2011 | CN101158121B Process for manufacturing dissolved pulp by using ethanol, sulfate and acetic acid |
| 03/30/2011 | EP2300221A2 Method for the disintegration of lignocellulose to fibers |
| 03/30/2011 | CN201778245U Brake for paper roller of board machine |
| 03/30/2011 | CN201778238U Raw material chopper for papermaking |
| 03/30/2011 | CN201778237U Improved structure of low-concentration hydraulic pulper |
| 03/30/2011 | CN201778236U 废纸溶解装置 Paper dissolving device |
| 03/30/2011 | CN201778235U Automatic straw cutter |
| 03/30/2011 | CN101998881A Method and apparatus for mixing of fluids |
| 03/30/2011 | CN101994270A Paper destroying device |
| 03/30/2011 | CN101994269A Method for producing waste paper pulp using the printed waste paper as raw material |
| 03/30/2011 | CN101992191A Cleaning method of used paper recycling apparatus, cleaning system, and used paper recycling apparatus |
| 03/30/2011 | CN101644011B Totally chlorine-free clean pulping method by separation and utilization of full-stalk kenaf component |
| 03/23/2011 | EP2296858A1 Method for recycling composite material |
| 03/23/2011 | EP1644170B1 Method for producing a fibrous material |
| 03/23/2011 | CN201770904U Wood fiber production device |
| 03/23/2011 | CN201770903U Novel pulper |
| 03/23/2011 | CN201770902U Dry/wet dual-purpose fluffer |
| 03/23/2011 | CN101988278A Special paper for magnesium oxide board and preparation method thereof |
| 03/23/2011 | CN101988276A Pulper with torque motor |
| 03/23/2011 | CN101988275A Regenerated paper smoothing device of used paper recycling apparatus, paper making device, and used paper recycling apparatus |
| 03/17/2011 | WO2011029904A1 System for converting wood fibres into a state processed by metering devices, prepared wood fibre material and extrudate produced therefrom |
| 03/16/2011 | CN201762604U False-bottom storage bin for chopped straws and chopped reeds |
| 03/16/2011 | CN101985821A Method for preparing toughened waterproof molded fiber product |
| 03/15/2011 | US7905983 Refiner steam separation system for reduction of dryer emissions |
| 03/10/2011 | US20110060077 Process for Manufacturing High-Performance Natural Fiber Reinforced Composites |
| 03/10/2011 | US20110057346 Art of using regenerated fibers in multi process non-wovens |
| 03/09/2011 | EP2292834A1 Pulper with a screening sheet and uses of such a pulper |
| 03/09/2011 | CN201756659U Continuous steam exploded machine for modification and activation on pure physics method molecule structure of straw fiber element |