| Patents for D21B 1 - Fibrous raw materials or their mechanical treatment (6,805) |
|---|
| 09/29/1994 | WO1994021854A1 Pitch degradation with white rot fungi |
| 09/29/1994 | CA2152958A1 Pitch degradation with white rot fungi |
| 09/28/1994 | EP0431040B1 A method of treating and a disperger for disintegrating wood pulp, especially containing waste paper |
| 09/28/1994 | CN1092832A A method of producing mechanical and chemi-mechanical pulp |
| 09/21/1994 | EP0615563A1 Apparatus for dividing a flow of fibrous material into at least two equally metered flows. |
| 09/21/1994 | CN2177741Y Separator for waste aluminium foil |
| 09/20/1994 | US5348620 Method of treating papermaking fibers for making tissue |
| 09/20/1994 | US5348236 Impeller assembly for processing device |
| 09/15/1994 | WO1994020682A1 Persulfate mixtures for repulping wet strength paper |
| 09/15/1994 | WO1994020671A1 Method for controlling a process by measurement of wood chips |
| 09/15/1994 | WO1994020670A1 Process for producing chemomechanical and/or chemothermomechanical wood products |
| 09/15/1994 | WO1994020669A1 Method and device dor the digestion of recycled paper |
| 09/15/1994 | WO1994020668A1 System and method for recycling materials |
| 09/15/1994 | WO1994020667A1 Process and enzyme preparation for preparing mechanical pulp |
| 09/15/1994 | WO1994020666A1 Process for preparing mechanical pulp |
| 09/15/1994 | DE4308039A1 Method for controlling a grinder |
| 09/15/1994 | CA2157886A1 Process for producing chemomechanical and/or chemothermomechanical wood products |
| 09/15/1994 | CA2156819A1 Method for controlling a process by measurement of wood chips |
| 09/15/1994 | CA2135164A1 Method and system for wastepaper pulping |
| 09/14/1994 | EP0615019A1 Papermaking process |
| 09/13/1994 | US5346574 Process for manufacturing a laminate |
| 09/12/1994 | CA2095979A1 System and method for recycling materials |
| 09/07/1994 | EP0613420A1 Board stock and method of manufacture from recycled paper |
| 09/06/1994 | US5343596 Inclined rotatable drums and method for grading fibrous material |
| 08/30/1994 | CA1331709C Method in the treatment of wood-fibre pulp, and a disperser for use in conjunction therewith |
| 08/24/1994 | EP0611845A1 Apparatus for supplying steam into a silo |
| 08/24/1994 | EP0611844A1 Apparatus for steaming a material in a silo |
| 08/24/1994 | EP0611599A1 Refining segment |
| 08/24/1994 | EP0496748B1 Wood particle screen |
| 08/24/1994 | CN1091170A Grass fibre dust removing and fuel conveying technology and its device for paper mill |
| 08/18/1994 | WO1994018388A1 A method to separate the cellulose based fibers in straw from each other and a moulding composition for plastic forming of cellulose containing fiber products |
| 08/18/1994 | WO1994018384A1 A method to separate cellulose based fibers from each other in water and a moulding composition for plastic forming of cellulose containing fiber products |
| 08/18/1994 | WO1994018383A1 Method of preparing chemi-mechanical pulp |
| 08/18/1994 | WO1994018382A1 Method for producing chemi-thermomechanical pulps (ctmp) |
| 08/18/1994 | WO1994017920A1 Method and apparatus for separation by flotation |
| 08/18/1994 | CA2155198A1 Method and apparatus for separation by flotation |
| 08/18/1994 | CA2153982A1 A method to separate fibres from each other in water and a moulding composition for plastic forming of fibre products |
| 08/18/1994 | CA2153981A1 A method to separate the cellulose based fibers in straw from each other and a moulding composition for plastic forming of cellulose containing fiber products |
| 08/18/1994 | CA2117799A1 Method for producing chemi-thermomechanical pulps (ctmp) |
| 08/16/1994 | US5338405 Production of fiber pulp by impregnating the lignocellulosic material with an aqueous alcoholic SO2 solution prior to defibration |
| 08/10/1994 | EP0609542A1 Method of producing fiber pulp |
| 08/02/1994 | US5334285 Soaking with process chemicals, disintegrated into fibers, pulping and separation of printed inks |
| 08/02/1994 | CA1331075C Process for manufacturing paper pulp for fiduciary use |
| 07/28/1994 | DE4313888A1 Reactor to break down used paper |
| 07/26/1994 | US5332471 Dye stripping by oxygen in secondary fiber recovery |
| 07/26/1994 | CA2114042A1 Process for the preparation of moisture resistant vegetable fibres |
| 07/21/1994 | WO1994016139A1 A method of producing mechanical and chemi-mechanical pulp |
| 07/20/1994 | EP0606250A1 A method and device for treating fibre material. |
| 07/19/1994 | US5331087 Method for reprocessing thermoplast-coated packing materials and thermoplast material for further processing |
| 07/13/1994 | EP0535008A4 Conditioning bales of waste paper for recycling |
| 07/13/1994 | CN2171626Y Waterpower sorting machine |
| 07/12/1994 | US5328562 Process for preparing a hydrolysed lingnocellulosic material |
| 07/07/1994 | DE4341412A1 Used paper recycling |
| 06/29/1994 | EP0604088A1 Elimination of sulfur dioxide formation in refiner bleaching |
| 06/28/1994 | US5324391 Method for crosslinking cellulose fibers |
| 06/28/1994 | US5324390 Dye stripping by oxygen and peroxide in secondary fiber recovery |
| 06/28/1994 | US5324389 Waste paper disintegration, classification and pulping system |
| 06/22/1994 | EP0602391A1 Waste paper digester |
| 06/22/1994 | EP0602182A1 Improved apparatus and method for deinking waste paper pulp |
| 06/22/1994 | EP0602122A1 Alignment mechanism. |
| 06/22/1994 | EP0602117A1 Crushing mechanism. |
| 06/22/1994 | EP0602093A1 Separating mechanism. |
| 06/21/1994 | US5322225 Process of recycling of disposable diapers and the machine components thereof |
| 06/16/1994 | DE4321698A1 Device for separating dispersed wax in waste paper processing - where suspension is led over cooled surfaces to precipitate wax |
| 06/15/1994 | CN1025059C Method for manufacture of moulded objects from fluidized fibre raw material |
| 06/15/1994 | CA2111261A1 Elimination of sulfur dioxide formation in refiner bleaching |
| 06/14/1994 | US5320034 Method and apparatus for increasing surface within wood chips |
| 06/14/1994 | CA1330208C Screen system |
| 06/09/1994 | WO1994012718A1 Deinking of printed paper by agglomeration process |
| 06/08/1994 | CN1087560A Method and apparatus for separating paper fiber and plastics from mixed waste materials and products obtained thereby |
| 05/31/1994 | US5316621 Defibering, screening, dewatering, mixing with surfactant, foam flotation |
| 05/25/1994 | EP0598293A1 Rate control overflow system for disk screens |
| 05/25/1994 | EP0598187A1 Pulper particularly for treating domestic waste |
| 05/24/1994 | US5314583 Process for the comminution of materials and plant for carrying out the process |
| 05/19/1994 | DE4238336A1 Used paper suspension cleaning process and appts. - has thickener or washer for sludge from flotation unit to be returned to the flotation stage |
| 05/11/1994 | EP0596289A1 Kneading machine for paper pulp |
| 05/11/1994 | EP0502848B1 Disk screen with compressible spacers and flanged surrounds |
| 05/10/1994 | US5310459 Apparatus and method for deinking waste paper pulp |
| 05/07/1994 | CA2102059A1 Substance kneader |
| 05/03/1994 | CA1329033C Refiner element pattern achieving successive compression before impact |
| 05/03/1994 | CA1329032C Method and apparatus for feeding a conical refiner |
| 04/28/1994 | WO1994009202A1 Mixing device in pulping |
| 04/26/1994 | US5305891 Wood chip bar screen deck arrangement |
| 04/20/1994 | EP0592607A1 Wood chip screen deck. |
| 04/20/1994 | CN1085618A Device for admixing a processing agent to a pulp suspension |
| 04/13/1994 | EP0591475A1 A method of and an apparatus for treating waste paper. |
| 04/12/1994 | US5302245 Integrated wastepaper treatment process |
| 04/12/1994 | US5301810 Method and apparatus for removing plastic from wood chips |
| 04/12/1994 | CA1328366C Wood chip cracking apparatus |
| 04/06/1994 | EP0590626A1 Process for treating printed waste paper |
| 04/06/1994 | CN2160672Y Crushing extruding machine for producing cotton stalk paper |
| 04/05/1994 | US5299747 Paper material screening/refining apparatus |
| 04/05/1994 | CA2031729C Shear hub |
| 03/30/1994 | EP0589672A2 Method and apparatus for separation and recovery of the components from foil-containing laminates |
| 03/29/1994 | US5298119 Horizontal and V-shaped disks, dividing stream of chips |
| 03/23/1994 | CA2106511A1 Method and apparatus for separation and recovery of the components from foil-containing laminates |
| 03/16/1994 | EP0586399A1 Method for recycling plastic coated paper product waste and polymeric film |
| 03/08/1994 | US5292075 Separating liner from absorbent filler |
| 03/03/1994 | WO1994004360A1 Board stock and method of manufacture from recycled paper |
| 03/03/1994 | CA2121031A1 Board stock and method of manufacture from recycled paper |