D21C 3/06

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Showing 1 to 20 of 41 results

Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9856605 Integration of non-woody biorefining at pulp and paper plantsMar 30, 15Jan 02, 18API INTELLECTUAL PROPERTY HOLDINGS, LLC
9777429 Continuous process for production of cellulose pulp from grass-like plant feedstockMar 31, 14Oct 03, 17Not available
9765478 Treatment of biomass to dissolve lignin with ionic liquid compositionDec 15, 11Sep 19, 17IMPERIAL INNOVATIONS LIMITED
9631316 Biomass fractionation processes employing sulfur dioxideDec 30, 13Apr 25, 17API INTELLECTUAL PROPERTY HOLDINGS, LLC
9528129 Pre-treatment of cellulosic materialApr 29, 14Dec 27, 16SEKAB E-TECHNOLOGY AB
9416490 Cross-linked glycerol based polymers as digestion aids for improving wood pulping processesFeb 04, 13Aug 16, 16ECOLAB USA INC.
9399840 Sulfite-based processes for producing nanocellulose, and compositions and products produced therefromDec 29, 14Jul 26, 16API INTELLECTUAL PROPERTY HOLDINGS, LLC
9322133 Processes and apparatus for producing nanocellulose, and compositions and products produced therefromNov 27, 13Apr 26, 16API INTELLECTUAL PROPERTY HOLDINGS, LLC
9322134 Nanocellulose production using lignosulfonic acidMar 30, 15Apr 26, 16API INTELLECTUAL PROPERTY HOLDINGS, LLC
9187865 Processes and apparatus for producing nanocellulose, and compositions and products produced therefromNov 27, 13Nov 17, 15API INTELLECTUAL PROPERTY HOLDINGS, LLC
9121135 Use of sodium dithionite in pulpingDec 12, 13Sep 01, 15BASF SE
9012188 Conditioning of SO2-ethanol-water spent liquor for fermentation by clostridiaMar 16, 12Apr 21, 15API INTELLECTUAL PROPERTY HOLDINGS, LLC
8877007 System and method for reclaiming rejects in sulfite pulpingAug 21, 13Nov 04, 14UNIVERSITY OF NEW BRUNSWICK
8864941 Separation of lignin from hydrolyzateOct 08, 13Oct 21, 14API INTELLECTUAL PROPERTY HOLDINGS, LLC
8834633 Pre-treatment of cellulosic materialDec 17, 10Sep 16, 14SEKAB E-TECHNOLOGY AB
8758557 Process for producing fibrous material from woodApr 04, 07Jun 24, 14VOITH PATENT GMBH
8585863 Separation of lignin from hydrolyzateJan 11, 11Nov 19, 13API INTELLECTUAL PROPERTY HOLDINGS, LLC
8268125 Method for vapor phase pulping with alcohol and sulfur dioxideMar 23, 09Sep 18, 12API INTELLECTUAL PROPERTY HOLDINGS, LLC, American Process, Inc.,
8038842 Method for vapor phase pulping with alcohol, sulfur dioxide and ammoniaJan 11, 11Oct 18, 11API INTELLECTUAL PROPERTY HOLDINGS, LLC, American Process, Inc.,
6767432 Apparatus for the thickening of fiber suspensionsMar 21, 01Jul 27, 04ANDRITZ-AHLSTROM OY, ANDRITZ OY,

Showing 1 to 20 of 41 results