| Patents for D21B 1 - Fibrous raw materials or their mechanical treatment (6,805) |
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| 10/27/2005 | CA2563382A1 A method, an apparatus and a rotor for homogenizing a medium |
| 10/26/2005 | EP1589147A1 Waste paper fibrous material utilization system and waste paper disintegration apparatus |
| 10/26/2005 | EP1588815A1 Method for producing plant felt from tow |
| 10/26/2005 | EP1313571B1 Method for recovery of compression wood and/or normal wood from oversize chips |
| 10/26/2005 | CN1688323A Lentiviral vector-mediated gene transfer and uses thereof |
| 10/19/2005 | EP1586366A1 A method, an apparatus and a rotor for homogenizing a medium |
| 10/13/2005 | US20050224610 Pulper rotor and assembly |
| 10/12/2005 | CN1681992A Method of producing mechanical pulp and the mechanical pulp thus produced |
| 10/12/2005 | CN1222658C Method and equipment for air inflation dispersion |
| 10/11/2005 | CA2178201C Reducing gaseous emissions from a chip bin |
| 10/05/2005 | EP1582469A1 Food container |
| 09/29/2005 | US20050211401 Process for the production of cellulose fiber pulp |
| 09/20/2005 | US6945487 Feeding apparatus for cellulosic material |
| 09/20/2005 | CA2297958C Method of pretreating lignocellulose fiber-containing material for the pulp making process |
| 09/20/2005 | CA2157513C Process for preparing mechanical pulp |
| 09/15/2005 | WO2005085519A1 Device and method for reducing vapour loss in a closed system |
| 09/14/2005 | CN2725344Y Drum type high concentration fiber fluffer |
| 09/08/2005 | US20050194482 Grooved pyramid disperger plate |
| 09/08/2005 | US20050194110 adding chlorine dioxide solution to interact with fluorescent agents thereby reducing fluorescent activity; applicable to recycling processes that use paper that includes fluorescent whitening agents |
| 09/07/2005 | EP1571256A1 Process for pumping and deflaking a fibre suspension containing impurities |
| 09/07/2005 | EP1571255A1 Apparatus and method for reducing steam loss in a closed system |
| 09/01/2005 | WO2005080670A1 Use of a particulate material derived from mammalian hair in the preparation of paper or paperboard products |
| 09/01/2005 | US20050189082 For feeding fibres from a fibre separation step in a first medium to a process step in a second medium without any energy losses; fast driven |
| 09/01/2005 | US20050189081 Eductor for the mixing includes a nozzle, an initial mixing chamber, a first diffuser, an intermediate mixing chamber and a second diffuser |
| 09/01/2005 | CA2557400A1 Use of a particulate material derived from mammalian hair in the preparation of paper or paperboard products |
| 08/31/2005 | EP1567710A1 Apparatus and method for production of pulp |
| 08/31/2005 | CN1662703A Appts. and method for extracting kraft paper pulp and atuomatically defibering |
| 08/30/2005 | US6935164 Refiner control |
| 08/24/2005 | EP1566479A1 Process for preparing a particulate material from mammalian hair and use thereof in paper or paperboard products |
| 08/24/2005 | EP1565610A1 Method and apparatus for producing mechanical fibers |
| 08/24/2005 | EP1073786B1 A method and an apparatus for treating a fluid mass |
| 08/24/2005 | CN2719529Y Spiral surface disk type chipping machine |
| 08/24/2005 | CN1657694A Wood method for pulping using cotton stalk, bush or brush |
| 08/24/2005 | CN1657693A Rotor of hydraulic pulper |
| 08/24/2005 | CN1657692A Middle high density hydraulic pulper |
| 08/24/2005 | CN1657691A Equipment and method for manufacturing pulp raw material by chipboard |
| 08/24/2005 | CN1216203C Clean pulping catalyst and its application process |
| 08/18/2005 | US20050178723 Integrated system and method for purifying water, producing pulp and paper, and improving soil quality |
| 08/18/2005 | US20050178722 Integrated system and method for purifying water, producing pulp and paper, and improving soil quality |
| 08/18/2005 | DE102004015011A1 Method of suspending and purifying contaminated raw materials for papermaking, initiates contaminant drainage by introduction of pressurized water flow into sieve apparatus |
| 08/17/2005 | EP1266071B1 Apparatus and method for treating milling products |
| 08/17/2005 | CN2718029Y Fibre dividing machine |
| 08/17/2005 | CN2718028Y Driving device for large-specs pulper |
| 08/17/2005 | CN2718027Y High-thickness pulper rotor |
| 08/17/2005 | CN2718026Y Strander |
| 08/17/2005 | CN1654197A Degradable plant fiber packaging bag and preparation method thereof |
| 08/16/2005 | US6929202 Method and arrangement for feeding wood batches into a pressure grinder |
| 08/11/2005 | US20050173824 Processing of ligno-cellulose materials |
| 08/10/2005 | EP1561858A1 Disperger with plate having grooved pyramid teeth |
| 08/10/2005 | CN1651647A Method for making artificial fiber pulp by whole hemp stalk |
| 08/10/2005 | CN1651646A Disperger with plate having grooved pyramid teeth |
| 08/10/2005 | CN1213812C Grinding element for grinding disc |
| 08/09/2005 | US6925929 Screw press |
| 08/05/2005 | CA2494398A1 Grooved pyramid disperger plate |
| 08/04/2005 | US20050167059 Device and method of using explosive forces in a contained environment |
| 08/03/2005 | CN1648334A Disc type heat dispersing method and its device for paper-making process and use |
| 08/03/2005 | CN1648333A Circulation pulping device for no-boiling biochemical solvent continuous dipping catalyst cracking |
| 08/03/2005 | CN1648331A New process for lipase waste paper deinking |
| 08/02/2005 | US6923889 At least 90 % mechanical pulp; good breaking energy, tensile strength and elongation values; stiff, high bulk |
| 08/02/2005 | US6923887 Method for hydrogen peroxide bleaching of pulp using an organic solvent in the bleaching medium |
| 07/28/2005 | WO2005068709A1 Improved method of de-inking paper and other cellulosic materials |
| 07/28/2005 | WO2004064991A3 Improved pulper rotor and assembly |
| 07/26/2005 | US6920983 Device for separating solids from liquids by means of flotation |
| 07/26/2005 | CA2276597C Feeding element for fibrous material |
| 07/21/2005 | US20050158414 Subjecting birch bark to at least one of fragmentation and pelletization to provide a combination of outer birch bark shreds and inner birch bark chunks or outer birch bark pellets and inner birch bark chunks; and separating the outer birch bark sheds or outer birch bark pellets from the inner birch bark |
| 07/20/2005 | CN2711215Y Double vortex hydraulic pulper |
| 07/20/2005 | CN2711214Y Vertical and hydraulic pulper |
| 07/20/2005 | CN1643208A Method for adjusting the fibrous properties of pulp |
| 07/14/2005 | WO2005064073A1 Method for removing impurities from an aqueous papermaking fibre suspension by flotation |
| 07/14/2005 | WO2005062892A2 Device and methodology for improved mixing of liquids and solids |
| 07/14/2005 | US20050150624 Molded fiber manufacturing |
| 07/14/2005 | DE10360504A1 Verfahren zur Flotation von Störstoffen aus einer wässrigen Papierfasersuspension A process for flotation of impurities from an aqueous paper fiber suspension |
| 07/13/2005 | EP1552052A1 A method of producing mechanical pulp and the mechanical pulp thus produced |
| 07/13/2005 | CN1639415A Method for defibring recycled fibre material in a drum pulper, and a drum pulper |
| 07/07/2005 | WO2005061133A1 Method and device for collecting base paper for gypsum plaster board |
| 07/07/2005 | US20050145355 Process for making a fiber product from waste fiber |
| 07/07/2005 | US20050145349 Mixing ammonium hydroxide and/or sodium bicarbonate with hydrogen peroxide and aqueous suspension of inked cellulosic fibrous material, dislodging ink by reaction at ink particle/cellulosic fiber interfaces, removing ink particles |
| 07/07/2005 | DE10205240B4 Verfahren zur Erhöhung der Verschleißfestigkeit von Gehäuseteilen von zur Aufbereitung von Altpapier bestimmten Apparaten A method for increasing the wear resistance of housing parts of the processing recovered paper specific equipment |
| 07/06/2005 | EP1254020B1 Screw press |
| 07/06/2005 | CN1636091A Paper plant - method and apparatus for producing pulp from cellulosic fibrous raw materials and recovering chemicals and energy from pulp liquors |
| 07/06/2005 | CN1635196A Process for extracting straw fiber |
| 06/30/2005 | WO2004076741A3 Fibrous structure and process for making same |
| 06/30/2005 | CA2488524A1 Process for making a fiber product from waste fiber |
| 06/29/2005 | EP1546451A1 Apparatus and method for automatically defibering and extracting kraft pulp from old corrugated cardboard |
| 06/29/2005 | EP0877646B8 Process for producing workpieces and molded pieces out of cellulose and/or cellulose-containing fiber material |
| 06/29/2005 | CN1208505C Bamboo fiber and its making process |
| 06/28/2005 | US6911118 Pulper for producing paper pulp from waste paper |
| 06/23/2005 | WO2005056916A1 Process for increasing the refiner production rate and/or decreasing the specific energy of pulping wood |
| 06/23/2005 | WO2005056915A1 Process for preparing mechanical pulp |
| 06/23/2005 | WO2005042838B1 Bleached and unbleached fibrous paper pulps and a method for producing the same |
| 06/23/2005 | US20050133643 Process for increasing the refiner production rate and/or decreasing the specific energy of pulping wood |
| 06/23/2005 | CA2549469A1 Process for preparing mechanical pulp |
| 06/21/2005 | US6907995 Chip screening method and plant |
| 06/21/2005 | CA2284135C Roller device to separate chips and particles of different gradings, and the relative forming machine employing the device |
| 06/16/2005 | WO2005054570A1 Apparatus for use in recycling paper material |
| 06/16/2005 | WO2005019759A3 Method of fabricating ptfe material |
| 06/16/2005 | US20050126731 Economical and environmentally sustainable method of recycling wastepaper |
| 06/16/2005 | US20050126726 Method for making Arundo donax paper product |
| 06/15/2005 | EP1541753A1 Refiner bleaching with magnesium oxide and hydrogen peroxide |
| 06/15/2005 | EP1540074A1 Production of refined cellulose fibre from waste materials |