| Patents for D21B - Fibrous raw materials or their mechanical treatment (76) |
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| 12/24/2013 | US8613363 Integrated paper comprising fibrillated fibers and active agents immobilized therein |
| 08/07/2012 | CA2507322C Energy efficient tmp refining of destructured chips |
| 07/18/2012 | CN101619546B Method for refining thermomechanical pulp |
| 06/26/2012 | CA2507321C High intensity refiner plate with inner fiberizing zone |
| 06/20/2012 | CN102505552A Energy efficient tmp refining of destructured chips |
| 12/07/2010 | US7846294 low energy pulping of lignocellulosic material, such as wood chips, to produce high quality pulps |
| 08/11/2010 | CN1718914B Energy efficient tmp refining of destructured chips |
| 07/20/2010 | US7758726 Disc refiner with increased gap between fiberizing and fibrillating bands |
| 07/06/2010 | US7748653 Method and apparatus for treating materials or mixtures of materials |
| 05/11/2010 | US7713381 TMP refining of destructured chips |
| 02/25/2010 | US20100044289 Integrated Paper Comprising Fibrillated Fibers and Active Agents Immobilized Therein |
| 02/02/2010 | US7655112 Integrated paper comprising fibrillated fibers and active particles immobilized therein |
| 01/27/2010 | CN101634118A Energy efficient tmp refining of destructured chips |
| 01/06/2010 | CN101619546A Apparatus for producing thermomechanical pulp and production method |
| 12/09/2008 | US7461744 Apparatus for separating fibers from reject material |
| 07/31/2008 | US20080179434 Method and Apparatus for Treating Materials or Mixtures of Materials |
| 05/29/2008 | US20080121358 Method And System For Treating A Fibrous Suspension |
| 04/10/2008 | US20080083520 low energy pulping of lignocellulosic material, such as wood chips, to produce high quality pulps |
| 04/03/2008 | US20080078854 Composite refiner plate |
| 02/07/2008 | US20080029232 Process and Device to Manufacture Cellulose Pulp |
| 11/29/2007 | US20070272778 TMP Refining of destructured chips |
| 11/27/2007 | US7300550 High intensity refiner plate with inner fiberizing zone |
| 11/27/2007 | US7300540 Thermomechanical refining of wood chips; steaming to soften; high compression; destructuring and dewatering; dilution; feeding to rotating disc primary refiner with discs having an inner and outer ring pattern of bars and grooves; pressurized macerating screw includes expansion wall that flares |
| 09/19/2007 | EP1834035A1 Method and system for treating a fibrous suspension |
| 09/19/2007 | CN101039753A Method and apparatus for treating materials or mixtures of material |
| 08/29/2007 | CN101027446A Process and device to manufacture cellulose pulp |
| 07/19/2007 | US20070164143 Disc refiner with increased gap between fiberizing and fibrillating bands |
| 07/11/2007 | EP1804974A1 Method and apparatus for treating materials or mixtures of material |
| 06/06/2007 | EP1792006A1 Process and device to manufacture cellulose pulp |
| 12/28/2006 | WO2006136656A1 Method of treatment of pulp useful for papermaking |
| 08/30/2006 | EP1694905A2 Integrated paper comprising fibrillated fibers and active particles immobilized therein |
| 08/24/2006 | WO2006087431A1 Method and apparatus for removing fine impurities from fibrous suspension |
| 05/26/2006 | WO2006054937A1 Method and system for treating a fibrous suspension |
| 05/26/2006 | CA2585569A1 Method and system for treating a fibrous suspension |
| 04/20/2006 | WO2006040391A1 Method and apparatus for treating materials or mixtures of material |
| 03/30/2006 | WO2006033605A1 Process and device to manufacture cellulose pulp |
| 03/30/2006 | CA2559828A1 Process and device to manufacture cellulose pulp |
| 01/12/2006 | US20060006265 High intensity refiner plate with inner fiberizing zone |
| 01/12/2006 | US20060006264 Energy efficient TMP refining of destructured chips |
| 01/11/2006 | CN1718921A High intensity refiner plate with inner fiberizing zone |
| 01/11/2006 | CN1718914A Energy efficient tmp refining of destructured chips |
| 09/20/2005 | US6945487 Feeding apparatus for cellulosic material |
| 06/09/2005 | US20050121371 Apparatus for separating fibers from reject material |
| 06/02/2005 | WO2005035866A3 Integrated paper comprising fibrillated fibers and active particles immobilized therein |
| 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 |
| 04/21/2005 | WO2005035866A2 Integrated paper comprising fibrillated fibers and active particles immobilized therein |
| 09/16/2004 | US20040178142 Integrated paper comprising fibrillated fibers and active particles immobilized therein |
| 11/27/2002 | EP1095182B1 Method, apparatus and plant for the recovery of wood fibre from compressed fibreboard scrap |
| 07/02/2002 | US6413364 Steaming, pressurization and separation; reuse as paper, cardboard or mulch |
| 05/02/2001 | EP1095182A1 Method, apparatus and plant for the recovery of wood fibre from compressed fibreboard scrap |
| 05/18/2000 | WO2000011259A3 Device for making cellulose |
| 03/02/2000 | WO2000011259A2 Device for making cellulose |
| 01/13/2000 | WO2000001877A1 Method, apparatus and plant for the recovery of wood fibre from compressed fibreboard scrap |
| 01/13/2000 | CA2337802A1 Method, apparatus and plant for the recovery of wood fibre from compressed fibreboard scrap |
| 12/15/1993 | EP0489066B1 Process for the re-treatment of mechanical wood pulp |
| 10/06/1992 | CA1308289C Method and device at manufacture of fibre pulp |
| 06/16/1992 | CA1303400C Apparatus for treatment of fibre suspensions |
| 03/25/1992 | EP0360807B1 Device at manufacture of fibre pulp |
| 07/23/1991 | US5034099 Apparatus for the manufacture of fiber pulp using a preheater, defibrator and horizontal separator |
| 03/07/1991 | WO1991002838A1 Process for the re-treatment of mechanical wood pulp |
| 02/28/1991 | DE3928058A1 Verfahren zur nachbehandlung von holzschliff A method for post-treatment of wood pulp |
| 01/30/1991 | EP0318495B1 Apparatus for treatment of fibre suspensions |
| 09/11/1990 | US4955549 Apparatus for treatment of fibre suspensions |
| 04/04/1990 | EP0360807A1 Device at manufacture of fibre pulp. |
| 06/07/1989 | EP0318495A1 Apparatus for treatment of fibre suspensions. |
| 04/18/1989 | CA1252665A1 Method and apparatus for the thermo-mechanical pulping of wood |
| 10/20/1988 | WO1988008050A1 Method and device at manufacture of fibre pulp |
| 02/11/1988 | WO1988000992A1 Apparatus for treatment of fibre suspensions |
| 05/07/1985 | US4515318 Method for controlling a piston fed wood grinder |
| 12/20/1983 | CA1158905A1 Method and apparatus for the treatment of a cellulose- containing material |
| 10/04/1983 | CA1154621A1 Method for controlling a piston fed wood grinder |
| 03/10/1982 | EP0046755A1 A method for controlling a piston feed wood grinder |
| 05/19/1981 | CA1101257A1 Method and apparatus in pulping |
| 05/14/1981 | WO1981001303A1 A method for controlling a piston fed wood grinder |
| 03/17/1981 | CA1097466A1 Process for the production of paper containing starch fibers and the paper produced thereby |
| 04/10/1979 | CA1052156A1 Pulp |