| Patents for D21B 1 - Fibrous raw materials or their mechanical treatment (6,805) |
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| 08/13/2009 | WO2009097963A2 Device for treating fibrous material for the manufacture of paper or cardboard |
| 08/13/2009 | DE102008008762A1 Filtrate treating method for use during thickening of paper fiber suspension obtained from waste paper to produce graphical paper, involves adding partial flows to filtrates, where partial flows are produced from condensed substances |
| 08/13/2009 | DE102008007888A1 Vorrichtung zur Bearbeitung von Faserstoff für die Papier- oder Kartonerzeugung Apparatus for processing pulp for paper and board production |
| 08/12/2009 | EP2087167A2 Method and equipment for evaluation of recycled pulp and pulp |
| 08/12/2009 | CN201288272Y Compound double-layer barrate type pulping engine for filtrating broken slurry |
| 08/12/2009 | CN101503867A Method for producing wrapping paper by oil palm empty fruit bunches mechanical pulping |
| 08/12/2009 | CN101503865A Method for preparing mlcrocrystalline cellulose by corps straw |
| 08/05/2009 | EP2085509A2 Method for measuring and controlling digester or impregnation vessel chip level by means of measuring chip pressure |
| 08/05/2009 | CN101498112A Method for producing packaging paper by all cotton stalk mechanical pulping |
| 08/05/2009 | CN101498109A Stock preparation method before paper pulp making from oil palm empty fruit bunch |
| 08/05/2009 | CN100524898C Lead-acid accumulator DE separation board and its making method |
| 08/05/2009 | CN100523372C Fibrous structure and process for making same |
| 08/05/2009 | CN100522526C Technique for producing medium density fiberboard by using modified bulrush |
| 07/30/2009 | US20090188635 Method and apparatus for treating pulp |
| 07/30/2009 | DE102008000136A1 Device for manufacturing material web, particularly wood-free paper web, has head box, molder, press with extended press gap, drying unit, glue application station and calendar |
| 07/29/2009 | EP1699974B1 Process for preparing mechanical pulp |
| 07/29/2009 | CN101492890A Method for removing exterior black bark of barks of paper mulberry |
| 07/23/2009 | WO2009089878A1 Pulper for pulverizing and suspending paper material |
| 07/22/2009 | EP2080557A1 Extraction bedplate with laser or water jet cut apertures |
| 07/16/2009 | WO2009087193A1 Method and apparatus for mixing of fluids |
| 07/16/2009 | WO2009048646A3 Pulpstone for long fiber pulp production |
| 07/15/2009 | CN201272929Y Paper-plastic separator |
| 07/15/2009 | CN101481887A Bar and groove pattern for a refiner plate and method for compression refining |
| 07/14/2009 | CA2365017C Method for manufacturing bleached mechanical and chemithermomechanical pulp |
| 07/09/2009 | WO2009065506A3 Method and device for processing waste paper |
| 07/02/2009 | US20090170747 Cellulase variants |
| 07/01/2009 | EP2074258A1 Fiberboards, uses and methods of preparation thereof |
| 07/01/2009 | EP2074256A1 Flotation in recycled fibre process |
| 06/25/2009 | WO2009077035A1 Method for removing unwanted matter from an aqueous paper fiber suspension using at least one flotation installation |
| 06/24/2009 | CN101463570A Screw rod injection type plant fibre steam blasting device and method |
| 06/23/2009 | CA2589323C Replaceable shear edge for a star-type feeder |
| 06/23/2009 | CA2411833C Procedure and machine to separate cardboard components from bulk waste paper |
| 06/18/2009 | US20090151880 Method and system to enhance fiber development by addition of treatment agent during mechanical pulping |
| 06/17/2009 | EP2071074A1 A method and apparatus to enhance fiber development by addition of treatment agent during mechanical pulping |
| 06/17/2009 | CN201258431Y 再生造纸加工设备 Regeneration paper processing equipment |
| 06/11/2009 | WO2009034230A8 Apparatus and method for manufacturing fibre mass suspension |
| 06/11/2009 | WO2001057311A3 Papermaking process and paper made therefrom |
| 06/11/2009 | US20090148936 Lentiviral vector-mediated gene transfer and uses thereof |
| 06/11/2009 | US20090145563 System and method for the separation of bast fibers |
| 06/11/2009 | US20090145562 Process for manufacturing pulp, paper and paperboard products |
| 06/10/2009 | CN101451311A Refiner plate fixtures for quick replacement, and methods and assemblies therefor |
| 06/10/2009 | CN101451310A Arrangement and method for the continuous steam pre-treatment of chips during the production of cellulose pulp |
| 06/09/2009 | US7544271 Open flotation de-inking module for recycled paper |
| 06/04/2009 | WO2009069470A1 Cooler of high-pressure homogenizer |
| 06/03/2009 | EP2065513A1 Arrangement and method for the continuous steam pre-treatment of chips during the production of cellulose pulp |
| 06/03/2009 | EP2064269A1 Manufacturing process for hybrid organic and inorganic fibre-filled composite materials |
| 06/03/2009 | CN100494545C Pulp crushing apparatus |
| 05/28/2009 | WO2009065506A2 Method and device for processing waste paper |
| 05/28/2009 | US20090137015 Method and apparatus for preparing material for microbiological fermentations |
| 05/28/2009 | DE102007055557A1 Verfahren und Vorrichtung zum Aufbereiten von Altpapier Method and apparatus for treating waste paper |
| 05/27/2009 | CN101440592A Production process of dispensable paper tableware |
| 05/27/2009 | CN101440588A Base paper of paper yarn for textile and preparation technique |
| 05/27/2009 | CN101440586A Paper-making method by mechanical fibration of maize straw |
| 05/27/2009 | CN101439525A Method for producing multi-layer board using poplar board, enzyme treated lumber and stalk fibre |
| 05/26/2009 | US7537674 Closed floatation de-inking module for recycled paper |
| 05/26/2009 | CA2418726C Cellulose production from lignocellulosic biomass |
| 05/20/2009 | DE202008000684U1 Stofflöser zur Zerkleinerung und Suspendierung von Papierstoff Pulper for comminuting and suspending paper stock |
| 05/20/2009 | CN101435175A Method for simultaneously producing sanitary napkin, pesticides farming fertilizer and anti-staling agent by agriculture and forestry appurtenance |
| 05/20/2009 | CN101435170A Ginger terrestrial stem paper and manufacturing process thereof |
| 05/20/2009 | CN101435167A Cotton stalk non-chlorine bleaching and cleaning pulping process |
| 05/20/2009 | CN101435166A Pulping process mixed with wood chips |
| 05/20/2009 | CN101435164A Modified production process of paper making level sulphate wood pulp plate |
| 05/20/2009 | CN100489191C Method for preparing homogenous cellulosic product from cellulosic waste materials |
| 05/20/2009 | CN100488742C Processing of ligno-cellulose materials |
| 05/19/2009 | US7534322 subjecting the pulp withdrawn from the vessel to a cyclone cleaner treatment to deplete the pulp of modified ink particles and develop a pulp containing paper fibers and substantially fewer ink particles relative to the quantity of ink particles present in the screen filtrate, and collecting the pulp |
| 05/14/2009 | WO2008139289A3 Flotation cell for purifying fibrous suspensions |
| 05/14/2009 | US20090120597 Method and apparatus for removing sheets of fibres from banana plants for the production of paper products |
| 05/13/2009 | EP2057306A1 Process for producing nanofibers |
| 05/13/2009 | CN201234536Y Ebullition depithing machine |
| 05/07/2009 | WO2009058204A1 Methods and apparatus for hydrolyzing cellulosic material |
| 05/07/2009 | DE102007052461A1 Impurities i.e. larger printing ink particles, removal method for aqueous waste paper suspension, involves performing fractionation of waste paper suspension, removing printing ink particles and fractionating part of fine fraction |
| 05/07/2009 | DE102007052459A1 Wax separating method for preparation of fibers during paper or cardboard production, involves forming aqueous fiber suspension, removing floating layer from containing wax liquid and separating predominant part of liquid wax |
| 05/06/2009 | EP2054547A1 Modular system and method for separating and recovering fractions from the reject of a pulper |
| 05/06/2009 | EP1450958B1 Extraction bedplate with laser or water jet cut apertures |
| 05/06/2009 | EP1328679B1 Cellulose production from lignocellulosic biomass |
| 04/30/2009 | WO2009054041A1 High-pressure homogenizer |
| 04/30/2009 | US20090107643 Method For Mechanical Pulp Production |
| 04/29/2009 | CN101418528A Paper stuff made by white food packaging waste paper with abdomen film |
| 04/29/2009 | CN101418527A Deinking process for waste paper |
| 04/23/2009 | WO2009050336A1 Method for treating ligno-cellulosic materials |
| 04/23/2009 | US20090101295 Self-Bonding Polypridobismidazole Pulp and a Process for Making Same |
| 04/23/2009 | CA2670040A1 Method for treating ligno-cellulosic materials |
| 04/22/2009 | EP1395539B1 A method for isolating phenolic substances or juvabiones from wood comprising knotwood |
| 04/22/2009 | CN101413226A Method for producing edible food package paper with bean peel as raw material |
| 04/21/2009 | US7520961 Process and device for blending fluid flows |
| 04/21/2009 | US7520455 Device for reuse of plastic materials and paper fibers rejected in previous recycling |
| 04/15/2009 | CN101408010A Method for making hand-made paper by dry method |
| 04/15/2009 | CN100478059C A method, an apparatus and a rotor for homogenizing a medium |
| 04/09/2009 | WO2009046283A1 Apparatus and methods for treating biomass |
| 04/08/2009 | CN101403140A Plant fiber cleaning production and waste cyclic utilization method |
| 04/07/2009 | CA2703900A1 Methods and apparatus for hydrolyzing cellulosic material |
| 04/07/2009 | CA2431389C Process for producing dried singulated cellulose pulp fibers using a jet drier and injected steam and the product resulting therefrom |
| 04/02/2009 | US20090084511 Method and Apparatus for Processing Wood Chips |
| 04/01/2009 | CN101397762A Pulp manufacturing technology and material preprocessor |
| 03/31/2009 | US7510625 to subject materials to high pressure such as breaking apart cellulose fibers and the removal of lignin in the wood pulp industry and the hardening of metals such as golf clubs |
| 03/26/2009 | WO2008128505A3 Pulper for recycling a mixture |
| 03/25/2009 | EP2039828A1 Method for treating a paper fibre suspension |
| 03/25/2009 | EP2039827A1 Apparatus for the defibration of sheets of cellulose |
| 03/25/2009 | EP2038475A2 Device for the production or processing of pulp |
| 03/19/2009 | WO2009034230A1 Apparatus and method for manufacturing fibre mass suspension |