D21C 1/10

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9869058 Pineapple leaf fiber fine treatment methodJan 12, 16Jan 16, 18TROPICAL AGRICULTURAL MACHINERY RESEARCH INSTITUTE, CHINESE ACADEMY OF TROPICAL AGRICULTURAL SCIENCES
9863090 Process operations for biomass fractionationFeb 26, 14Jan 09, 18BIO-SEP LIMITED
9856601 Method and apparatus for adding steam for a steam explosion pretreatment processSep 18, 13Jan 02, 18ANDRITZ INC.
9528129 Pre-treatment of cellulosic materialApr 29, 14Dec 27, 16SEKAB E-TECHNOLOGY AB
9365981 Paper products and methods and systems for manufacturing such productsSep 02, 14Jun 14, 16XYLECO, INC.
9335043 Method for producing ethanol and co-products from cellulosic biomassAug 24, 10May 10, 16ABENGOA BIOENERGY NEW TECHNOLOGIES, LLC
9139852 Method and apparatus for pretreating biomass using internal heatDec 14, 10Sep 22, 15SAMSUNG ELECTRONICS CO., LTD.
9139955 Method of processing chemical pulpJul 12, 11Sep 22, 15Not available
8834633 Pre-treatment of cellulosic materialDec 17, 10Sep 16, 14SEKAB E-TECHNOLOGY AB
8834676 Paper products and methods and systems for manufacturing such productsApr 27, 10Sep 16, 14XYLECO, INC.
8168041 Device for diluting shredded cellulosic particles/chipsJan 07, 11May 01, 12OVIVO LUXEMBOURG S.A.R.L.
8025760 FeederSep 08, 06Sep 27, 11VALMET TECHNOLOGIES, INC.
7998310 Method for impregnating chipsJun 21, 05Aug 16, 11METSO PAPER SWEDEN AB
7713382 Method and apparatus for processing wood chipsNov 16, 05May 11, 10VALMET TECHNOLOGIES, INC.
7695591 Arrangement and Method for Treatment of Cellulose Pulp Involving Means for Seal AdjustmentMay 31, 06Apr 13, 10VALMET TECHNOLOGIES, INC.
7658818 Method for converting a digester for use as a gas phase and hydraulic phase continuous digesterMar 19, 07Feb 09, 10ANDRITZ INC.
7569120 Method for converting an up-flow tower for cellulose pulp to a down-flow towerDec 12, 05Aug 04, 09OVIVO LUXEMBOURG S.A.R.L.
7396435 Method for conveying, mixing, and leveling dewatered pulp prior to dryingSep 29, 03Jul 08, 08WEYERHAEUSER NR COMPANY
6436233 Feeding cellulose material to a treatment vesselMay 18, 00Aug 20, 02ANDRITZ INC.
6409883 Methods of making fiber bundles and fibrous structuresApr 12, 00Jun 25, 02KIMBERLY-CLARK WORLDWIDE, INC.

Showing 1 to 20 of 30 results