| Patents for D21B 1 - Fibrous raw materials or their mechanical treatment (6,805) |
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| 07/05/2001 | US20010006098 Process for dissolving used paper |
| 07/04/2001 | EP0885325B1 Magnetic deinking of waste papers |
| 07/03/2001 | US6254729 Pulper with extraction plate assembly having removable inserts and method of manufacturing same |
| 06/28/2001 | WO2001046516A1 Raw material for printing paper, method to produce it and printing paper |
| 06/28/2001 | WO2001046297A2 Process for rigid foam obtention from a fibrous material and foam produced therefore |
| 06/28/2001 | DE19959826A1 Verfahren zur Verminderung und/oder Vermeidung von Ablagerungen von Holzinhaltsstoffen A method for reducing and / or preventing deposits of wood constituents |
| 06/26/2001 | US6250573 Loosening and pulverizing into fine, friable fibrous material that is guided into vapor chamber, calefied and dispersed; quality improvement of used paper extraction |
| 06/26/2001 | US6250472 Paper sorting system |
| 06/20/2001 | CN1299901A Intermediate peashrub herb presoaking and heat grinding process of producing milk |
| 06/19/2001 | US6248207 Screening suspension to remove fibers, filtrate is dispersed in air flotation in the presence of calcium and a separation aid to form an upper fraction where the hydrophobic material is concentrated and lower fraction of cellulosic fines |
| 06/14/2001 | WO2001042557A1 Raw material for printing paper, method to produce it and printing paper |
| 06/14/2001 | WO2001042555A2 Method for reducing and/or avoiding the build up of wood components |
| 06/14/2001 | WO2001041991A1 A purification method |
| 06/14/2001 | CA2394173A1 Method for reducing and/or avoiding the build up of wood components |
| 06/14/2001 | CA2393783A1 Raw material for printing paper, method to produce it and printing paper |
| 06/13/2001 | EP1105574A1 Nits separator |
| 06/13/2001 | EP1105221A1 A chip screening method and plant |
| 06/13/2001 | EP0815315B1 Method and device for process control in cellulose and paper manufacture |
| 06/05/2001 | US6241848 Method for processing recycled waste paper for integrated packaging |
| 06/05/2001 | US6241169 Produces pulp suitable for paper making |
| 05/31/2001 | WO2001038631A1 Pulp machine for defibering raw materials such as paper, cardboard or cellulose |
| 05/31/2001 | DE19957707A1 Deinkingware Deinking |
| 05/30/2001 | EP1102884A1 Coarse dirt collector for removing coarse material from a pulper and corresponding method |
| 05/30/2001 | EP1102817A1 Cellulose fiber based compositions and film |
| 05/29/2001 | US6238523 Decontamination apparatus |
| 05/29/2001 | US6238516 Washing cellulose |
| 05/29/2001 | CA2160571C Screening means with a screening body, and method and device for manufacturing the screening body |
| 05/29/2001 | CA2098516C Pulp making device |
| 05/25/2001 | WO2001036739A1 Method and device for sorting a mixture of paper |
| 05/25/2001 | WO2001036738A1 De-inked product |
| 05/23/2001 | EP1101858A2 Pulper for a stock preparation system |
| 05/23/2001 | EP1100992A1 Method and device for sorting paper mixtures |
| 05/23/2001 | DE19957548A1 Verfahren und Einrichtung zur Sortierung eines Papiergemisches Method and apparatus for sorting a paper mixture |
| 05/22/2001 | US6234415 Pulping apparatus |
| 05/22/2001 | US6234322 Roller device to separate chips and particles of wood or material similar to wood of different gradings, and the relative forming machine employing the device |
| 05/17/2001 | WO2001034901A1 Method and device for reconverting bales of fibrous materials into pulp |
| 05/17/2001 | DE19949265A1 Verfahren zum Minimieren des Neuwassereinsatzes im Wasserkreislauf bei einer Aufbereitungsanlage A method for minimizing the Neuwassereinsatzes in the water cycle at a treatment plant |
| 05/16/2001 | EP1099792A2 Flotation process and device for separating solid particles of a paper fibre suspension |
| 05/10/2001 | DE19949288A1 Rohrreaktor zur Behandlung von chargenweise zugeführtem Reaktionsmaterial Tubular reactor for the treatment of fed batch reaction material |
| 05/08/2001 | US6227471 Feeding element for fibrous material |
| 05/08/2001 | US6227467 Dispersing solid materials entrained in liquid; multi-shear rotary grinder; drive shaft connected to rotating attrition plate; hazardous wastes |
| 05/08/2001 | US6227374 Process and floatation device for the removal of interfering materials from an aqueous fiber pulp suspension |
| 05/02/2001 | EP1095182A1 Method, apparatus and plant for the recovery of wood fibre from compressed fibreboard scrap |
| 04/26/2001 | DE19948176A1 Flotationsvorrichtung zur Störstoff- insbesondere Druckfarbenentfernung aus Papierfasersuspensionen A flotation device for Störstoff- particular ink removal from paper fiber suspensions |
| 04/24/2001 | CA2170921C Refiner and a method for attaching discs thereof |
| 04/19/2001 | WO2001027383A1 Method for minimising the new water use in the water circulation system of a treatment plant |
| 04/19/2001 | WO2001026804A1 Tubular reactor for treating reaction material that is supplied in batch quantities |
| 04/19/2001 | CA2387140A1 Method for minimising the new water use in the water circulation system of a treatment plant |
| 04/18/2001 | EP1075563A4 Method for removing wax from a pulp furnish |
| 04/18/2001 | CN1292052A Method for removing wax from pulp furnish |
| 04/18/2001 | CN1064511C Liquid seeding covering fibre and its producing process |
| 04/11/2001 | EP1091041A1 Flotation apparatus for removing contaminants, especially printing inks, from a fibrous suspension |
| 04/11/2001 | CN1290784A Paper floc and its use in afforestation and building field |
| 04/11/2001 | CN1064420C Method for producing a delignified papermaking fiber from recycled, high lignin content, waste paper and product thereof |
| 04/10/2001 | US6214465 Floor absorbent granular product comprising kaokin clay and cellulose fibers |
| 04/10/2001 | US6214164 Prewashing, crushing, delignifying |
| 04/05/2001 | CA2285148A1 Chemimechanical or mechanical pulp manufacture with reduced energy consumption |
| 04/04/2001 | EP1087840A1 Method and apparatus for processing pulp stock derived from a pulp or paper mill |
| 04/04/2001 | CN2425707Y Separator for separating plangt fibre, plant powder and residual from plant stalk |
| 04/03/2001 | US6209812 Method of and apparatus for treating wood chips |
| 03/29/2001 | WO2001021512A2 Sorting device for particles of differing sizes |
| 03/29/2001 | WO2001021312A1 Method and device for processing pulp |
| 03/29/2001 | CA2401875A1 Sorting arrangement for particles of differing sizes |
| 03/28/2001 | CN2425119Y Bursting and builking device for digestion |
| 03/28/2001 | CN1288987A Method of separating fiber and alumimium foil from paper-lining aluinium foil leftover |
| 03/27/2001 | US6207196 Vegetable base material from cereal plants and process for obtaining the same |
| 03/27/2001 | US6206309 Method and device for treatment of fibrous material |
| 03/27/2001 | US6206308 Method to obtain wood with weak fibre connections |
| 03/27/2001 | US6206199 Method and an apparatus for recycling different components in a multiple layer material |
| 03/22/2001 | WO2001020074A1 Method in connection with the production of mechanical pulp |
| 03/21/2001 | EP1084290A1 Pulper |
| 03/20/2001 | US6202946 Method and apparatus of defibrating a fibre-containing material |
| 03/07/2001 | EP1080265A1 Method and device for flotation of pollutants from an aqueous fibrous material suspension |
| 03/07/2001 | EP1080262A1 A process for removing contaminants from waste paper |
| 03/07/2001 | EP1079938A1 Method and apparatus for sorting of chips |
| 03/06/2001 | US6197414 Fiberboard and manufacturing method thereof |
| 03/06/2001 | US6197153 Method for de-inking paper pulp from recycled paper |
| 03/01/2001 | DE19938976A1 Verfahren zur Aufbereitung eines holzstoffhaltigen Papierfaser-Rohstoffes Method for preparing a wood-containing paper fiber raw material |
| 02/28/2001 | EP1079021A1 Photocatalytic pulp composition, foam using said composition, moulded pulp using said composition and moulded pulp foam using said foam as well as processes for producing said photocatalytic pulp composition, said foam, said moulded pulp and said moulded foam and apparatus for producing said composition |
| 02/28/2001 | CN1285437A Optic catalysing paper pulp composition, its foam body and method and apparatus for producing same |
| 02/27/2001 | US6193406 Method and apparatus for mixing pulp a suspension with a fluid medium with a freely rotatable mixing rotor |
| 02/27/2001 | US6193180 Arrangement in a pulp grinder |
| 02/21/2001 | EP1077281A1 Process for treating wood pulp |
| 02/21/2001 | CN1284585A Pollution-less low-pressure steam decrepitation process of making straw pulp |
| 02/21/2001 | CN1062408C Carbon fibre composite paper for conduction heating and preparing process thereof |
| 02/20/2001 | CA2171731C Apparatus for fluffing high consistency wood pulp to optimize reaction with a gaseous bleaching reagent |
| 02/15/2001 | WO2001010885A2 Birch bark processing and the isolation of natural products from birch bark |
| 02/15/2001 | CA2381967A1 Birch bark processing and the isolation of natural products from birch bark |
| 02/14/2001 | EP1075563A1 Method for removing wax from a pulp furnish |
| 02/13/2001 | US6187135 Process for making recycled paper having improving strength properties |
| 02/07/2001 | EP1073786A1 A method and an apparatus for treating a fluid mass |
| 02/06/2001 | US6183595 Aqueous fibrous material |
| 02/06/2001 | US6182478 Apparatus for cleaning a suspension, preferably a fiber mass suspension |
| 01/30/2001 | CA2121968C Bar screen with bars of staggered height |
| 01/23/2001 | US6176970 Delignification of wood pulp |
| 01/20/2001 | WO2000002671A1 A chip screening method and plant |
| 01/20/2001 | CA2336965A1 A chip screening method and plant |
| 01/16/2001 | US6174485 Process for preparing cellulosic fibrous aggregates |
| 01/16/2001 | US6174410 Process apparatus for recovering raw materials from paper mill effluents |
| 01/10/2001 | CN1279314A Method for producing lignin-removed papermaking fibers from waste paper containing high content of lignin |