D21C 1/10

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Class  D21C : PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR


Subclass 1/10: Pretreatment of the finely-divided materials before digesting (of waste paper D21C 5/02) Physical methods for facilitating impregnation

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
12227900 High brightness non-wood pulpNov 05, 21Feb 18, 25Kimberly Clark Worldwide Inc.
12152110 Lignocellulosic biomass treatment methodDec 04, 18Nov 26, 24IFP Energies Nouvelles; INSTITUT NATIONAL DE RECHERCHE POUR L'AGRICULTURE, L'ALIMENTATION ET L'ENVIRONMENT; AGRO INDUSTRIES RECHERCHE ET DEVELOPPEMENT;
12146262 Non-wood pulp having high brightness and low debrisNov 05, 21Nov 19, 24Kimberly Clark Worldwide Inc.
12098504 Methods and devices for processing lignocellulosic biomass using mechanical pretreatment to enhance feedstock hydration propertiesNov 02, 17Sep 24, 24TAB HOLDING APS
11692211 Methods and compositions for the treatment of cellulosic biomass and products produced therebyMar 20, 20Jul 04, 23Comet Biorefining Inc.
11512426 Process for obtaining celluloseJul 25, 14Nov 29, 22Not available
11492752 Method and device for treating biomassMay 02, 18Nov 08, 22Valmet AB
11377790 Method for extracting biomassFeb 20, 20Jul 05, 22CH-Bioforce Oy
11186949 Method for impregnating biomass and device for impregnating biomassDec 07, 17Nov 30, 21Valmet AB
10889674 Method of preparing a grafted copolymer of lignin and/or celluloseAug 24, 17Jan 12, 21BIOFIBER TECH SWEDEN AB
10882745 Oxidative methodDec 07, 17Jan 05, 21Catexel Technologies Limited
10619308 Paper products and methods and systems for manufacturing such productsJul 13, 18Apr 14, 20Xyleco, Inc.
10612059 Methods and compositions for the treatment of cellulosic biomass and products produced therebyApr 08, 16Apr 07, 20Comet Biorefining Inc.
10407452 Method for extracting ligninJan 09, 15Sep 10, 19CH-Bioforce Oy
10344428 Process for individualizing trichomesMay 23, 17Jul 09, 19The Procter & Gamble Company
10179971 Method for processing a cellulosic feedstock at high consistencyMar 20, 15Jan 15, 19Iogen Energy Corporation
10087577 Systems, devices and methods for agricultural product pulpingSep 11, 15Oct 02, 18BIO AG RESOURCES, INC.
10087578 Device for discharging pretreated biomass from higher to lower pressure regionsAug 11, 14Oct 02, 18Inbicon A/S
10047481 Paper products and methods and systems for manufacturing such productsMay 20, 16Aug 14, 18Xyleco, Inc.
10006167 Pile delignificationAug 10, 15Jun 26, 18ISTANBUL TEKNIK ÜNIVERSITESI REKTÖRLÜGÜ

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2025/0012,010 NON-WOOD PULP HAVING HIGH BRIGHTNESS AND LOW DEBRISSep 17, 24Jan 09, 25Not available
2024/0392,500 METHODS AND DEVICES FOR PROCESSING LIGNOCELLULOSIC BIOMASS USING MECHANICAL PRETREATMENT TO ENHANCE FEEDSTOCK HYDRATION PROPERTIESAug 02, 24Nov 28, 24Not available
2024/0309,586 A METHOD FOR PRODUCING A CHEMI-THERMOMECHANICAL FIBROUS PULP FROM NON-WOOD PLANT RAW MATERIALS AND AN AUTOMATED LINE FOR PRODUCING SAID PULP BY SAID METHODMar 22, 23Sep 19, 24Not available

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Patents Issued To Date - By Filing Year

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