D21B 1/00

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9533927 Conversion of a low viscosity ligno-cellulosic biomass slurry into polyolsOct 31, 14Jan 03, 17Biochemtex S.p.A.
8833681 Method and apparatus for defibrillating cellulose fibersJun 23, 10Sep 16, 14BASF SE
7083049 Method of regulating sorting systems and a sorting system suitable for carrying out this methodDec 03, 02Aug 01, 06VOITH PATENT GMBH
6207196 Vegetable base material from cereal plants and process for obtaining the sameSep 24, 99Mar 27, 01Societe Cooperative Agricole Vivadour
6068919 Cellulose fibres and filaments having a high elongation at breakAug 25, 98May 30, 00CORDENKA GMBH
5985147 Integrated system and method for purifying water, producing pulp, and improving soil qualityDec 15, 98Nov 16, 99LEIDOS, INC.
5593625 Biocomposite material and method of makingJun 10, 94Jan 14, 97PHENIX BIOCOMPOSITES, LLC
5518584 Device for detecting foreign matter in pulp suspensionSep 15, 93May 21, 96Aikawa Iron Works Co., Ltd.
5266161 Bagasse depitherOct 25, 91Nov 30, 93BELOIT TECHNOLOGIES, INC.
5195684 Screenless disk millMay 06, 92Mar 23, 93CURT G. JOA, INC.
4738402 Waste recovery systemJul 22, 86Apr 19, 88Not available
4382559 DefibratorNov 17, 80May 10, 83Sunds Defibrator Aktiebolag, Swemac S.A.,
4361464 Rapid method for liberating the latent properties of mechanical pulpsOct 05, 79Nov 30, 82Domtar Inc.
4254823 Process for separating mineral wool fibers from nonfibrous materialsApr 27, 77Mar 10, 81BEROL KEMI AB
4251320 Method of producing a mineral fiber productNov 30, 76Feb 17, 81Rockwool Aktiebolaget