| Patents for D21B 1 - Fibrous raw materials or their mechanical treatment (6,805) |
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| 08/24/2006 | US20060186233 Method for producing a fibrous material |
| 08/24/2006 | DE102005007972A1 Stofflöser zur Zerkleinerung und Suspendierung von Papierstoff sowie Rotor für einen solchen Stofflöser Pulper for crushing and suspension of pulp and rotor for such a pulper |
| 08/23/2006 | EP1693505A1 Pulper for disintegration and suspension of paper pulp and rotor suitable for such a pulper |
| 08/23/2006 | EP1427883B1 Method and apparatus for producing fibre pulp and fuel out of municipal waste |
| 08/23/2006 | CN1823197A Method for charging a fiber suspension, and arrangement for carrying out said method |
| 08/23/2006 | CN1823195A Method for refining paper or cellulose fibers in an aqueous suspension |
| 08/23/2006 | CN1821485A Cotton stalk crusher |
| 08/16/2006 | EP1689567A1 Knife fixing method |
| 08/16/2006 | CN2806543Y Cotton stalk breaking machine |
| 08/10/2006 | WO2006083127A1 Heat insulating material using scrapped diapers |
| 08/10/2006 | DE10256519B4 Verfahren zur Dispergierung eines aus bedrucktem Papier gewonnenen Papierfaserstoffes A method for dispersing a paper pulp obtained from printed paper |
| 08/09/2006 | CN1816433A Method for producing a fibrous material |
| 08/09/2006 | CN1814910A Method for making paper pulp by using hydrogen peroxide and alkali substance reaction together |
| 08/09/2006 | CN1268435C Pair of opposed co-operating refining elements |
| 08/08/2006 | US7086938 Grinding segment and grinder stone |
| 08/03/2006 | US20060169427 Manufacturing process of a paper substrate intended to be vulcanised or parchmentised |
| 08/02/2006 | EP1604060A4 Method for producing corn stalk pulp and paper products from corn stalk pulp |
| 08/02/2006 | CN1811055A Production process of bleached chemical pulp with hemp stalk core |
| 08/02/2006 | CN1811054A Cow dung paper pulp producing process with cow dung as material |
| 08/02/2006 | CN1267196C Refining element |
| 08/02/2006 | CN1267195C Refining segment and refining apparatus comprising a refining disc with such refining segment |
| 08/01/2006 | US7083049 Method of regulating sorting systems and a sorting system suitable for carrying out this method |
| 07/27/2006 | US20060163393 Apparatus and method for automatically defibering and extracting kraft pulp from old corrugated cardboard |
| 07/26/2006 | CN1809389A Material having deodorizing function and method for production thereof |
| 07/19/2006 | EP1680226A1 Method and apparatus for fiberizing particularly paper and/or paperboard based material |
| 07/19/2006 | CN1805795A Refiner |
| 07/18/2006 | CA2531943A1 Apparatus for defibering paper or dry pulp |
| 07/18/2006 | CA2204215C Procedure for determining the diffusion coefficient prevailing in the fibre wall in a suspension containing primary and secondary fibre and for determining the proportion and papermaking properties of secondary fibre |
| 07/13/2006 | US20060151134 Elimination of alum yellowing of aspen thermomechanical pulp through pulp washing |
| 07/13/2006 | US20060151133 Method and a plant for producing and treating wood fibres |
| 07/12/2006 | EP1679403A1 Pulper for comminuting and suspending papermaking material |
| 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 |
| 07/12/2006 | CN2795269Y Rotor and stator gap regulator for pulp treating apparatus |
| 07/12/2006 | CN1800488A Steam explosion jetting storehouse |
| 07/12/2006 | CN1800487A Quick cold soaking and mechanical pulping process for grass family |
| 07/12/2006 | CN1263923C Supersonic chemical pretreating method for bagasse for wood-plastic composite material |
| 07/12/2006 | CN1263922C Bamboo fiber processing process |
| 07/11/2006 | CA2402032C Refining element for a refining disc |
| 07/06/2006 | US20060144796 aerating suspensions having dirt specks and/or ash, with one or more cells, each cell having a separate liquid loop; selectively removing the dirt specks from liquid loop to produce an accept flow; deinking of pulp suspensions |
| 07/06/2006 | US20060144535 Surface treatment with texturized microcrystalline cellulose microfibrils for improved paper and paper board |
| 07/06/2006 | DE10248260B4 Vorrichtung zum Zerkleinern von Material und Zerkleinerungs-Werkzeug für eine solche Vorrichtung An apparatus for comminuting material, and crushing tool for such a device |
| 07/05/2006 | CN1796653A Quick cleaning pulping production equipment |
| 06/29/2006 | US20060137839 Modernization of existing pulp towers either to allow the use of higher consistencies in the storage part thereof, or to allow the dilution to a lower consistency; for use in the wood processing industry for bleaching and/or storage of high-consistency pulp; efficiency, upgrading |
| 06/28/2006 | CN2791094Y Hay cutting machine |
| 06/28/2006 | CN1793493A Environment protection pulping and papermaking method |
| 06/28/2006 | CN1793492A Method of pulping and papermaking |
| 06/28/2006 | CN1793487A Process of immersing rolling for pulping and special eqiupment thereof |
| 06/22/2006 | WO2006028499A3 Methods of processing lignocellulosic pulp with cavitation |
| 06/21/2006 | EP1450958A4 Extraction bedplate with laser or water jet cut apertures |
| 06/21/2006 | EP1448846A4 Microwave pre-treatment of logs for use in making paper and other wood products |
| 06/21/2006 | CN1791465A Refining element |
| 06/20/2006 | CA2247533C Process for preparing a paper web |
| 06/15/2006 | US20060124786 Photocatalytic pulp composition |
| 06/15/2006 | US20060124257 Method for bleaching mechanically defibered pulp |
| 06/14/2006 | EP1668180A1 Chemical activation and refining of southern pine kraft fibers |
| 06/14/2006 | DE102004039712B4 Reject flow control, from a used paper suspension sorting station, has a flow measurement point in front of a throttle linked to a control to set the delivery of a diluting fluid to prevent throttle blockages |
| 06/14/2006 | CN1786340A Corrugated paper produced by steam blasting straw to pulp and its production method |
| 06/14/2006 | CN1786334A Multifunctional grass breaking device |
| 06/13/2006 | US7060211 Yam and cloths made mainly from bamboo sheaths and methods for manufacturing the same |
| 06/13/2006 | US7060160 Water content of 3 wt % or less, the average fiber diameter of 5 to 300 mu m and the average fiber length of 0.1 to 70 mm is incorporated into 5 to 60 wt % of titanium oxide. |
| 06/13/2006 | CA2215809C A plug screw-feeder |
| 06/08/2006 | US20060118667 Waste paper fibrous material utilization system and waste paper disintegration apparatus |
| 06/08/2006 | DE4113572B4 Schleifstein Grindstone |
| 06/07/2006 | CN1782221A Pulping paper-making method using hybrid chinese pennisetum as raw material |
| 06/06/2006 | CA2163494C Improvements to air injection devices in a pulp flow to effect deinking |
| 06/01/2006 | US20060113410 Waste pulping system |
| 05/31/2006 | EP1386034B1 Apparatus for disintegrating and compacting cellulose containing material |
| 05/31/2006 | EP1360482A4 Method of selecting wood for mechanical pulping |
| 05/31/2006 | CN1779069A Continuous immersion catalytic pyrolytic circulating pulp-making method by non-steaming and boiling biochemical solvent |
| 05/30/2006 | CA2277675C Lignocellulose fiber filler for thermoplastic composite compositions |
| 05/26/2006 | WO2006053948A1 A method and apparatus for processing wood chips |
| 05/26/2006 | CA2586338A1 A method and apparatus for processing wood chips |
| 05/24/2006 | EP1313908B1 Pulper for producing paper pulp from waste paper |
| 05/24/2006 | EP1285116B1 Method for controlling quality of pulp |
| 05/24/2006 | CN1777718A An arrangement for and a method of treating pulp, and a method of modernizing a pulp tower |
| 05/23/2006 | CA2412102C Tool for dressing pulpstones |
| 05/18/2006 | US20060102301 pressing out water in a thickening device to form a highly consistent paper fiber stock, then heating the highly consistent paper fiber stock, and dispersing the heated highly consistent paper fiber stock with dispersers |
| 05/17/2006 | EP1657356A1 Method and device for mixing suspensions |
| 05/17/2006 | EP1656996A1 Agitated flotation apparatus for cleaning fibrous suspensions dispersed in liquids. |
| 05/17/2006 | CN2780814Y Medium and high concentration hydraulic puloer |
| 05/16/2006 | CA2168898C Removing impurities from pulverized or chipped material |
| 05/10/2006 | EP1654420A2 Method for charging a fiber suspension, and arrangement for carrying out said method |
| 05/03/2006 | EP1652999A1 Process for producing recycled pulp, method of modifying pulp fiber surface and contaminant, and pulp treating apparatus |
| 05/03/2006 | EP1238139B1 Method for the production of mechanical pulp |
| 05/03/2006 | CN2777024Y Rubbing type rolling sieve |
| 05/03/2006 | CN1767979A Various banding apparatus and methods for using such |
| 05/02/2006 | US7037405 production of texturized microcrystalline cellulose from raw pulp material by hydrolyzing cellulosic material with mineral acid, defibrillation of intermediate; can be used for surface treatment of paper or paper board or as starting material for production of paper or paperboard |
| 04/26/2006 | EP1649103A1 Recycling of lignocellulose based board materials |
| 04/26/2006 | CN2775096Y Hydraulic pulper |
| 04/26/2006 | CN1763306A Neutral deinking method for waste newspaper |
| 04/26/2006 | CN1763305A Enzymatic deinking method for waste newspaper |
| 04/13/2006 | WO2006039054A1 Method of deinking recycled paper employing centrifigal cleaners |
| 04/13/2006 | DE10255314B4 Verfahren zur Herstellung einer wässrigen Suspension aus faserhaltigem Material A process for preparing an aqueous suspension of fibrous material |
| 04/12/2006 | CN1757823A Method capable of degradating high medium density fiber board, chipboard edge and head waste material |
| 04/12/2006 | CN1757822A Paper pulp production technology of physical degradation combined with biological degradation |
| 04/12/2006 | CN1250810C Method and device for inflation dispersing floation of pulp suspension liquid |
| 04/06/2006 | US20060071360 Method and apparatus for scarfing fibrous substrates |
| 04/05/2006 | EP1641977A1 Method and arrangement for treating pulp |
| 04/05/2006 | CN2769312Y Disc type thermal dispersing device used during paper-making process |