Patents
Sitemap › D21 - Paper-making; Production of cellulose › D21B - Fibrous raw materials or their mechanical treatment › D21B 1 - Fibrous raw materials or their mechanical treatment
Patents for D21B 1 - Fibrous raw materials or their mechanical treatment (6,805)
10/2003
10/15/2003EP1353163A1 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
10/09/2003US20030191658 Method of disposal of security documents
10/09/2003US20030188838 Process for producing dried singulated crosslinked cellulose pulp fibers
10/08/2003EP1350888A2 Device for separating solids from liquids using flotation
10/08/2003EP1350887A2 Device for separating air from flotation foam
10/08/2003EP1105221B1 A chip screening method and plant
10/08/2003CN1446639A Appts. for separating solid from liquid through floatation
10/08/2003CN1446620A Method and appts. enabling fluid mixed with freely-flowing medium
10/08/2003CN1446612A Method and appts. for transferring freely-flowing medium
10/02/2003WO2003080923A1 Method for defibring recycled fibre material in a drum pulper, and a drum pulper
10/02/2003WO2003080922A1 Method for adjusting the fibrous properties of pulp
10/02/2003US20030183351 Use of thinnings and other low specific gravity wood for lyocell pulps method
10/02/2003US20030183081 Device for separating air from flotation foam
10/02/2003CA2478363A1 Method for adjusting the fibrous properties of pulp
10/01/2003EP1105574B1 Nits separator
10/01/2003CN1446126A Method for recovery of compression wood and/or normal wood from oversize chips
09/2003
09/27/2003CA2419220A1 Device for separating solids from liquids by means of flotation
09/25/2003US20030178345 Method for processing waste processing plant
09/24/2003EP1347094A1 Method and apparatus for feeding fluid media
09/24/2003EP1347093A1 Propeller for stirring solid-in-liquid suspensions in a treatment tank
09/24/2003EP1347092A1 Method and apparatus for mixing fluids into fluid media
09/23/2003US6623572 Pulper with extraction plate assembly having removable inserts and method of manufacturing same
09/23/2003US6623156 Stock caused to rotate in opposite directions and essentially horizontally adjacent to one another; pulping, disintegration
09/18/2003WO2003025279A8 Method and apparatus for producing fibre pulp and fuel out of municipal waste
09/18/2003WO2002014599A9 Steaming process
09/18/2003US20030173432 Waste pulping system
09/18/2003DE10219844C1 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
09/12/2003WO2003074789A1 Improved molded fiber manufacturing
09/12/2003WO2003074779A1 Sluice feeder
09/10/2003EP1342833A2 Method for reducing and adjusting the content of fine solids in a pulp suspension
09/10/2003EP1342832A2 Process for sorting waste paper for recovering paper for de-inking
09/10/2003EP1342528A1 Method for increasing the wear resistance of housings in waste paper recycling equipment
09/09/2003US6616802 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.
09/03/2003EP1339912A2 Method of recycling bonded fibrous materials and synthetic fibers and fiber-like materials produced thereof
08/2003
08/21/2003US20030157312 Processed board-type products made of non-wooden fibers
08/21/2003US20030155090 Process for controlling microbial growth
08/21/2003US20030155084 Deinking process, injecting air for removing impurities and particles from pulp suspensions, waste paper treatment, by flotation, suction
08/21/2003DE10219843C1 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
08/20/2003CN2567263Y Preimpregnation machine of automatic steam thermal jet vegetable fibre treatment device
08/20/2003CN1437668A Method of forming and metering fluff pulp
08/13/2003EP1335064A1 Process for lining defibering apparatus for waste paper liable to wear
08/13/2003CN2565861Y Vertical hydraulic pulping machine
08/13/2003CN2565860Y Drum gear wheel connecting device of hydraulic pulping machine
08/13/2003CN2565859Y High efficiency drum roller type hydraulic pulping machine
08/12/2003US6606405 Wood chips analyser
08/07/2003WO2002038853A3 Feather processing method and product
08/07/2003US20030145905 Method for recovery of compression wood and/or normal wood from oversize chips
08/07/2003US20030145842 Tool for dressing pulpstones
08/06/2003EP0916000B1 Perfected reactor for liquids purification
08/06/2003CN1433723A Nano composite fibre filament for cigarette and method for preparing same
08/05/2003US6602310 Separator device with rotor having peripheral carriers for separating solid particles from a gas stream
08/05/2003CA2183867C Methods for preparing pulpwood for digestion
07/2003
07/31/2003WO2003062526A1 Method for bleaching mechanically defibered pulp
07/31/2003DE20204508U1 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
07/30/2003EP1331303A2 Method for pulping waste paper containing impurities
07/30/2003CN1116474C Process for recovering raw materials from flow of residual or collected materials during paper manufacture and plant therefor
07/24/2003US20030136863 Process and apparatus for slushing contaminated recovered paper
07/24/2003CA2417073A1 Process and apparatus for slushing contaminated recovered paper
07/23/2003CN1115434C Method and appts. for loosening pressed materials contg. paper fibers
07/17/2003US20030131955 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
07/16/2003EP1165880B1 Method for manufacturing bleached mechanical and chemithermomechanical pulp
07/15/2003CA2197348C Flotation deinking of wastepaper using a froth controlling agent
07/08/2003US6589389 Test method for determining bleed-throughs in old corrugated container fiber pulp
07/02/2003EP1119645B1 Process and apparatus for recovering metal material from waste material
07/01/2003US6585854 Device for aerating dispersions
06/2003
06/26/2003WO2003052199A1 Flushing process for treating waste material
06/25/2003EP1320640A1 Steaming process
06/25/2003CN2557567Y Blowout tank for making paper pulp by hotblowing out method
06/18/2003EP1319749A1 Processed board-type products made of non-wooden fibers
06/18/2003DE20207520U1 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
06/18/2003DE10218265C1 Controlling fines concentration in waste paper suspensions, separates two streams from washer for direct return and adjustment of fines content
06/18/2003CN1424940A Refining element for refining disc
06/12/2003US20030109727 Wood stabilizers; oxidation resistance, fungicides
06/12/2003DE20201910U1 Metal lining for paper recycling centrifuge drum has high abrasion resistance characteristics
06/11/2003CN1111221C Intermediate peashrub herb presoaking and heat grinding process of producing milk
06/10/2003US6576088 Process for preparing dry broke
06/03/2003US6572736 Non-woven web made with untreated clarifier sludge
05/2003
05/30/2003WO2003043749A1 Screening of wood chips
05/28/2003EP1313908A1 Pulper for producing paper pulp from waste paper
05/28/2003EP1313571A1 Method for recovery of compression wood and/or normal wood from oversize chips
05/28/2003CN2552996Y Straw pulp drying-separating machine
05/28/2003CN1420228A Bamboo fibre and method for carbonizing bamboo fibre
05/21/2003EP1311845A1 Refiner control
05/15/2003WO2003040462A1 Microwave pre-treatment of logs for use in making paper and other wood products
05/15/2003WO2003039825A1 Processing of ligno-cellulose materials
05/15/2003WO2003016434A3 Method for depleting carbon dioxide and for extracting energy
05/15/2003US20030092097 Enzymatic polypeptide for use in the treatment of taxtiles and fabric
05/15/2003US20030091804 Fiberboard which includes coconut mesocarp and process for making the same
05/15/2003US20030089478 Method for forming and metering fluff pulp
05/15/2003CA2466505A1 Microwave pre-treatment of logs for use in making paper and other wood products
05/14/2003CN1108411C Method of separating fiber and aluminum foil from paper-lining aluminum foil leftover
05/07/2003EP0963479B1 Feeding element for fibrous material
05/01/2003WO2003035970A1 A method for preparing a homogenous cellulosic product from cellulosic waste materials
05/01/2003US20030082159 Lentiviral vector-mediated gene transfer and uses thereof
05/01/2003US20030080033 De-inking screen
04/2003
04/30/2003CN1414173A Manufacturing method of xylon grey cellulose powder
04/29/2003US6554960 Integrated system and method for purifying water, producing pulp and paper, and improving soil quality
04/24/2003WO2003033152A1 Extraction bedplate with laser or water jet cut apertures
04/23/2003EP1304411A1 Steam heated pulp feeder
04/23/2003CN1412384A Paper pulp heating device
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