| Patents for D21B 1 - Fibrous raw materials or their mechanical treatment (6,805) |
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| 06/15/2005 | EP1540073A1 Method of manufacturing mechanical or chemi-mechanical pulp and an apparatus for manufacturing the same |
| 06/15/2005 | EP1539198A2 Lentiviral vector-mediated gene transfer and uses thereof |
| 06/09/2005 | WO2005014934A3 Method for charging a fiber suspension, and arrangement for carrying out said method |
| 06/09/2005 | US20050123734 Arundo donax pulp and related methods |
| 06/09/2005 | US20050123733 Arundo donax paper product |
| 06/09/2005 | US20050121371 Apparatus for separating fibers from reject material |
| 06/09/2005 | DE10350073A1 Verfahren zur Weißeregelung für die Druckfarbenentfernung in Deinking-Anlagen und eine Deinking-Anlage mit einer Flotationszelle zur Druckfarbenentfernung Process for the White regime for ink removal in deinking plant and a deinking plant with a flotation de-inking |
| 06/08/2005 | CN1624238A Wood pulp crushing machine |
| 06/07/2005 | US6902314 Method and apparatus for mixing a fluid mass |
| 06/02/2005 | US20050116072 Controlling high pressure water jet sharpening sequence of grinder; monitored adjustment |
| 06/02/2005 | DE19826879B4 Verfahren und Behälter zum Stapeln von hochkonsistentem Papierfaserstoff Method and container stacking high-consistency paper pulp |
| 06/01/2005 | EP1450994A4 Processing of ligno-cellulose materials |
| 06/01/2005 | CN2703024Y Cotton stalk shredder |
| 06/01/2005 | CN2703023Y Efficient energy-saving divider for dividing fibre into threadlike thing |
| 06/01/2005 | CN1623022A Improved molded fiber manufacturing |
| 06/01/2005 | CN1621616A Production method of shockproof inside lining packing paper products for industrial products |
| 05/31/2005 | US6899791 Using high temperature, pressure, humidity; compression |
| 05/26/2005 | US20050109474 Wood material is classified according to the number of annual rings into categories representing a certain fibre dimension property; fibre length or the fibre coarseness; improved fiber quality; papermaking |
| 05/25/2005 | EP1261770B8 Method and device for adjusting the whiteness degree of a bulk material consisting of comminuted paper fractions |
| 05/25/2005 | DE10329883B4 Verfahren zur Flotation von Störstoffen aus einer wässrigen Papierfasersuspension A process for flotation of impurities from an aqueous paper fiber suspension |
| 05/25/2005 | DE102004048518A1 Assembly to recover usable fiber material from rejected fraction in a paper making process has two-part drainage basin incorporating drainage channel |
| 05/19/2005 | WO2005045129A1 Method for adjusting the ph and machine for preparing a fiber web |
| 05/19/2005 | US20050103453 Method for defibring recycled fiber material in a drum pulper, and a drum pulper |
| 05/19/2005 | DE10347919A1 Verfahren zum Einstellen eines pH-Werts und Maschine zur Herstellung einer Faserstoffbahn A method for adjusting a pH and machine for producing a fibrous web |
| 05/18/2005 | EP1244838B1 Waste paper mixture for deinking process |
| 05/12/2005 | WO2005042838A1 Bleached and unbleached fibrous paper pulps and a method for producing the same |
| 05/12/2005 | WO2005042831A1 Method for regulating whiteness for removal of printing ink in deinking installations and deinking installation comprising a flotation cell for removal of printing ink |
| 05/12/2005 | WO2005042830A1 Multi-stage ap mechanical pulping with refiner flow line treatment |
| 05/12/2005 | US20050098279 Method for bleaching mechanically defibered pulp |
| 05/11/2005 | CN1614141A Papermaking strainer |
| 05/10/2005 | US6891119 Acceleration conveyor |
| 05/04/2005 | CN1611673A Clean pulping catalyst and its application process |
| 04/30/2005 | CA2447427A1 Apparatus for liquid-based fiber separation |
| 04/27/2005 | CN1198986C Vertical fibre-contg. material coarse disintegrating device and its edge structure |
| 04/19/2005 | US6881299 Bleaching pulp under alkaline conditions; simultaneously refining and bleaching pulp |
| 04/19/2005 | US6881297 Process for aerating dispersions |
| 04/14/2005 | WO2004101889A8 Use of hemicellulase composition in mechanical pulp production |
| 04/14/2005 | DE10343422A1 Shredding machine for waste papermaking web wound on drum, includes driven counter-rotating rollers equipped with components to cut or tear web |
| 04/14/2005 | CA2540937A1 Refining element |
| 04/13/2005 | EP1522628A1 Papermaking strainer |
| 04/13/2005 | EP1522627A2 Method and apparatus for wetting fibrous material |
| 04/12/2005 | US6878236 Raw material for printing paper, a method for producing said raw material and a printing paper |
| 04/12/2005 | CA2276596C Feeding device for fibrous material |
| 04/07/2005 | WO2002075040A8 Grinding segment and grinder stone |
| 04/07/2005 | US20050072730 Papermaking strainer |
| 04/07/2005 | CA2482563A1 Papermaking strainer |
| 03/31/2005 | WO2005028744A1 Chemical activation and refining of southern pine kraft fibers |
| 03/31/2005 | WO2005028111A1 Method and apparatus for fiberizing particularly paper and/or paperboard based material |
| 03/31/2005 | US20050067123 Method for conveying, mixing, and leveling dewatered pulp prior to drying |
| 03/31/2005 | US20050067121 conveying, mixing, leveling and flaking dewatered pulps to produce flakes for use in dryers |
| 03/29/2005 | CA2229193C Process for dewatering and defibration lignocellulose material |
| 03/24/2005 | US20050061455 Chemical activation and refining of southern pine kraft fibers |
| 03/23/2005 | EP1051551B1 Method and apparatus for wetting fibrous material |
| 03/23/2005 | CN1598128A Wet intensity waste paper regereting agent |
| 03/22/2005 | US6868973 Drum type refining or washing apparatus |
| 03/17/2005 | DE10337922A1 Refining assembly, for a suspension of papermaking paper/cellulose fibers, forms a fiber layer on the inner surface of the rotating drum with beater rollers pressed against it and a constant liquid flow in and out of the layer |
| 03/17/2005 | DE10337921A1 Refining assembly, for a suspension of papermaking paper/cellulose fibers, forms a fiber layer on the inner surface of the rotating drum with beater rollers pressed against it and a constant liquid flow in and out of the layer |
| 03/17/2005 | DE10250762B4 Verfahren zur Flotation von Störstoffen aus einer wässrigen Faserstoffsuspension A process for flotation of impurities from an aqueous fiber suspension |
| 03/16/2005 | CN2685381Y Equipment for making paper pulp raw material from density board |
| 03/15/2005 | US6866152 System and method to separate cardboard components from bulk waste paper |
| 03/15/2005 | CA2276073C Method and apparatus of defibrating a fibre-containing material |
| 03/09/2005 | EP1511897A1 Improved impeller for paper pulps kneaders |
| 03/09/2005 | EP1511896A1 Impeller for paper pulp kneaders |
| 03/09/2005 | CN1192142C Method of forming and metering fluff pulp |
| 03/03/2005 | WO2005019759A2 Method of fabricating ptfe material |
| 03/03/2005 | WO2005019528A1 Method for refining paper or cellulose fibres in an aqueous suspension |
| 03/03/2005 | DE10335751A1 Verfahren zum Beladen einer Faserstoffsuspension und Anordnung zur Durchführung des Verfahrens A method for loading a fiber suspension and arrangement for performing the method |
| 03/02/2005 | EP1079938B1 Apparatus for sorting of chips |
| 03/02/2005 | CN1587504A Bamboo fiber processing process |
| 03/02/2005 | CN1587503A Grass pulp producing process combining physical breaking and biological degradation |
| 03/02/2005 | CN1587502A New process for producing alkaline hydrogen peroxide mechanical pulp by double scrwe extruding method |
| 03/02/2005 | CN1587500A Supersonic chemical pretreating method for bagasse for wood-plastic composite material |
| 03/01/2005 | US6860440 Hammermill |
| 02/24/2005 | WO2005017251A1 Method for the production of fiberboards made of moist biomass |
| 02/24/2005 | WO2005016905A1 Improved method for the production of hydroxymatairesinol from wood |
| 02/24/2005 | US20050039868 Recycling of latex-containing broke |
| 02/24/2005 | US20050039615 Extraction bedplate with laser or water jet cut apertures |
| 02/23/2005 | EP1508638A1 Method for treating pulp containing disturbing vessel cells |
| 02/18/2005 | CA2476404A1 Recycling of latex-containing broke |
| 02/17/2005 | WO2005014934A2 Method for charging a fiber suspension, and arrangement for carrying out said method |
| 02/10/2005 | WO2005012632A1 Process for producing recycled pulp, method of modifying pulp fiber surface and contaminant, and pulp treating apparatus |
| 02/10/2005 | US20050029373 Refiner steam separation system for reduction of dryer emissions |
| 02/09/2005 | CN2677419Y Whole-closed middle-high concentration hydraulic pulper |
| 02/09/2005 | CN2677418Y Mainshaft support structure of defibrator |
| 02/08/2005 | CA2239337C Refining element |
| 02/04/2005 | CA2437616A1 Manufacturing of nano-fibrils from natural fibres, agro based fibres and root fibres |
| 02/03/2005 | US20050022951 Total chlorine free bleaching of arundo donax pulp |
| 02/03/2005 | DE10331488A1 Verfahren zur Bestimmung des bei der Flotation oder Wäsche einer Papierfasersuspension auftretenden Feststoff- oder Faserverlustes Method for determining the loss of solids or fibers occurring during flotation or washing of a paper fiber suspension |
| 02/02/2005 | EP1165259B1 Sorting device |
| 02/02/2005 | EP1159481B1 Upgrading of tmp to an sc/lwc quality |
| 02/02/2005 | CN1575221A Processing of ligno-cellulose materials |
| 02/02/2005 | CN1572372A Method and device for the flotation of contaminants from an aqueous fibrous suspension |
| 02/01/2005 | CA2149235C Deinking of printed paper by agglomeration process |
| 01/27/2005 | WO2005007968A1 Recycling of lignocellulose based board materials |
| 01/27/2005 | DE10329883A1 Pumped rising cascade of aqueous fibrous pre-used paper suspension is in contra flow with descending cascade of foam bearing impurities |
| 01/27/2005 | CA2532346A1 Recycling of lignocellulose based board materials |
| 01/26/2005 | EP1261770B1 Method and device for adjusting the whiteness degree of a bulk material consisting of comminuted paper fractions |
| 01/26/2005 | CN2673919Y Separating reducing pulp machine for plastic composite paper |
| 01/26/2005 | CN2673918Y Composite paper separating reducing pulp machine with circulating water power |
| 01/26/2005 | CN1570273A Process for making special type paper by utilizing fowl feather |