Patents for D21B 1 - Fibrous raw materials or their mechanical treatment (6,805) |
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10/15/2003 | EP1353163A1 Procedure for determining the diffusion coefficient prevailing in the fibre wall in a suspension containing primary and secondary fibre and for determining the proportion and papermaking properties of secondary fibre |
10/09/2003 | US20030191658 Method of disposal of security documents |
10/09/2003 | US20030188838 Process for producing dried singulated crosslinked cellulose pulp fibers |
10/08/2003 | EP1350888A2 Device for separating solids from liquids using flotation |
10/08/2003 | EP1350887A2 Device for separating air from flotation foam |
10/08/2003 | EP1105221B1 A chip screening method and plant |
10/08/2003 | CN1446639A Appts. for separating solid from liquid through floatation |
10/08/2003 | CN1446620A Method and appts. enabling fluid mixed with freely-flowing medium |
10/08/2003 | CN1446612A Method and appts. for transferring freely-flowing medium |
10/02/2003 | WO2003080923A1 Method for defibring recycled fibre material in a drum pulper, and a drum pulper |
10/02/2003 | WO2003080922A1 Method for adjusting the fibrous properties of pulp |
10/02/2003 | US20030183351 Use of thinnings and other low specific gravity wood for lyocell pulps method |
10/02/2003 | US20030183081 Device for separating air from flotation foam |
10/02/2003 | CA2478363A1 Method for adjusting the fibrous properties of pulp |
10/01/2003 | EP1105574B1 Nits separator |
10/01/2003 | CN1446126A Method for recovery of compression wood and/or normal wood from oversize chips |
09/27/2003 | CA2419220A1 Device for separating solids from liquids by means of flotation |
09/25/2003 | US20030178345 Method for processing waste processing plant |
09/24/2003 | EP1347094A1 Method and apparatus for feeding fluid media |
09/24/2003 | EP1347093A1 Propeller for stirring solid-in-liquid suspensions in a treatment tank |
09/24/2003 | EP1347092A1 Method and apparatus for mixing fluids into fluid media |
09/23/2003 | US6623572 Pulper with extraction plate assembly having removable inserts and method of manufacturing same |
09/23/2003 | US6623156 Stock caused to rotate in opposite directions and essentially horizontally adjacent to one another; pulping, disintegration |
09/18/2003 | WO2003025279A8 Method and apparatus for producing fibre pulp and fuel out of municipal waste |
09/18/2003 | WO2002014599A9 Steaming process |
09/18/2003 | US20030173432 Waste pulping system |
09/18/2003 | DE10219844C1 Hot dispersion of a paper fiber suspension, from used recycled paper, has a press to give a high-consistency suspension for heating, with measurements of heating energy consumption to control the press action |
09/12/2003 | WO2003074789A1 Improved molded fiber manufacturing |
09/12/2003 | WO2003074779A1 Sluice feeder |
09/10/2003 | EP1342833A2 Method for reducing and adjusting the content of fine solids in a pulp suspension |
09/10/2003 | EP1342832A2 Process for sorting waste paper for recovering paper for de-inking |
09/10/2003 | EP1342528A1 Method for increasing the wear resistance of housings in waste paper recycling equipment |
09/09/2003 | US6616802 Forming a non-woven fibrous web of refractory fibers by agitating the fibers in a foamed medium, and passing the foam furnish onto a screen and defoaming the furnish. |
09/03/2003 | EP1339912A2 Method of recycling bonded fibrous materials and synthetic fibers and fiber-like materials produced thereof |
08/21/2003 | US20030157312 Processed board-type products made of non-wooden fibers |
08/21/2003 | US20030155090 Process for controlling microbial growth |
08/21/2003 | US20030155084 Deinking process, injecting air for removing impurities and particles from pulp suspensions, waste paper treatment, by flotation, suction |
08/21/2003 | DE10219843C1 Dispersion of a paper fiber suspension, especially from recycled used paper, uses a screw press to extract water to give a higher consistency, with measurements of the disperser drive power consumption to control the screw press |
08/20/2003 | CN2567263Y Preimpregnation machine of automatic steam thermal jet vegetable fibre treatment device |
08/20/2003 | CN1437668A Method of forming and metering fluff pulp |
08/13/2003 | EP1335064A1 Process for lining defibering apparatus for waste paper liable to wear |
08/13/2003 | CN2565861Y Vertical hydraulic pulping machine |
08/13/2003 | CN2565860Y Drum gear wheel connecting device of hydraulic pulping machine |
08/13/2003 | CN2565859Y High efficiency drum roller type hydraulic pulping machine |
08/12/2003 | US6606405 Wood chips analyser |
08/07/2003 | WO2002038853A3 Feather processing method and product |
08/07/2003 | US20030145905 Method for recovery of compression wood and/or normal wood from oversize chips |
08/07/2003 | US20030145842 Tool for dressing pulpstones |
08/06/2003 | EP0916000B1 Perfected reactor for liquids purification |
08/06/2003 | CN1433723A Nano composite fibre filament for cigarette and method for preparing same |
08/05/2003 | US6602310 Separator device with rotor having peripheral carriers for separating solid particles from a gas stream |
08/05/2003 | CA2183867C Methods for preparing pulpwood for digestion |
07/31/2003 | WO2003062526A1 Method for bleaching mechanically defibered pulp |
07/31/2003 | DE20204508U1 Pulper drum, for used paper materials, has an inner displacement body which does not rotate, forming a structured working channel between it and the drum wall |
07/30/2003 | EP1331303A2 Method for pulping waste paper containing impurities |
07/30/2003 | CN1116474C Process for recovering raw materials from flow of residual or collected materials during paper manufacture and plant therefor |
07/24/2003 | US20030136863 Process and apparatus for slushing contaminated recovered paper |
07/24/2003 | CA2417073A1 Process and apparatus for slushing contaminated recovered paper |
07/23/2003 | CN1115434C Method and appts. for loosening pressed materials contg. paper fibers |
07/17/2003 | US20030131955 From compacted waste paper material before fibrillation by confining the material in a closed chamber containing a beneficially treating fluid and subjecting the contents to cycles of consecutive fluid addition |
07/16/2003 | EP1165880B1 Method for manufacturing bleached mechanical and chemithermomechanical pulp |
07/15/2003 | CA2197348C Flotation deinking of wastepaper using a froth controlling agent |
07/08/2003 | US6589389 Test method for determining bleed-throughs in old corrugated container fiber pulp |
07/02/2003 | EP1119645B1 Process and apparatus for recovering metal material from waste material |
07/01/2003 | US6585854 Device for aerating dispersions |
06/26/2003 | WO2003052199A1 Flushing process for treating waste material |
06/25/2003 | EP1320640A1 Steaming process |
06/25/2003 | CN2557567Y Blowout tank for making paper pulp by hotblowing out method |
06/18/2003 | EP1319749A1 Processed board-type products made of non-wooden fibers |
06/18/2003 | DE20207520U1 Assembly to cut the wrapping cords around bundles, especially of used paper for recycling, has a feed platform with a roller path and the like to carry the bundles to the mechanical cutting unit |
06/18/2003 | DE10218265C1 Controlling fines concentration in waste paper suspensions, separates two streams from washer for direct return and adjustment of fines content |
06/18/2003 | CN1424940A Refining element for refining disc |
06/12/2003 | US20030109727 Wood stabilizers; oxidation resistance, fungicides |
06/12/2003 | DE20201910U1 Metal lining for paper recycling centrifuge drum has high abrasion resistance characteristics |
06/11/2003 | CN1111221C Intermediate peashrub herb presoaking and heat grinding process of producing milk |
06/10/2003 | US6576088 Process for preparing dry broke |
06/03/2003 | US6572736 Non-woven web made with untreated clarifier sludge |
05/30/2003 | WO2003043749A1 Screening of wood chips |
05/28/2003 | EP1313908A1 Pulper for producing paper pulp from waste paper |
05/28/2003 | EP1313571A1 Method for recovery of compression wood and/or normal wood from oversize chips |
05/28/2003 | CN2552996Y Straw pulp drying-separating machine |
05/28/2003 | CN1420228A Bamboo fibre and method for carbonizing bamboo fibre |
05/21/2003 | EP1311845A1 Refiner control |
05/15/2003 | WO2003040462A1 Microwave pre-treatment of logs for use in making paper and other wood products |
05/15/2003 | WO2003039825A1 Processing of ligno-cellulose materials |
05/15/2003 | WO2003016434A3 Method for depleting carbon dioxide and for extracting energy |
05/15/2003 | US20030092097 Enzymatic polypeptide for use in the treatment of taxtiles and fabric |
05/15/2003 | US20030091804 Fiberboard which includes coconut mesocarp and process for making the same |
05/15/2003 | US20030089478 Method for forming and metering fluff pulp |
05/15/2003 | CA2466505A1 Microwave pre-treatment of logs for use in making paper and other wood products |
05/14/2003 | CN1108411C Method of separating fiber and aluminum foil from paper-lining aluminum foil leftover |
05/07/2003 | EP0963479B1 Feeding element for fibrous material |
05/01/2003 | WO2003035970A1 A method for preparing a homogenous cellulosic product from cellulosic waste materials |
05/01/2003 | US20030082159 Lentiviral vector-mediated gene transfer and uses thereof |
05/01/2003 | US20030080033 De-inking screen |
04/30/2003 | CN1414173A Manufacturing method of xylon grey cellulose powder |
04/29/2003 | US6554960 Integrated system and method for purifying water, producing pulp and paper, and improving soil quality |
04/24/2003 | WO2003033152A1 Extraction bedplate with laser or water jet cut apertures |
04/23/2003 | EP1304411A1 Steam heated pulp feeder |
04/23/2003 | CN1412384A Paper pulp heating device |