D21C 1/00

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Description

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


Subclass 1/00: Pretreatment of the finely-divided materials before digesting (of waste paper D21C 5/02)

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
11512426 Process for obtaining celluloseJul 25, 14Nov 29, 22Not available
11371186 Method and system for treating biomassDec 07, 17Jun 28, 22Valmet AB
11186948 Method and a system for production of high molecular weight ligninMay 27, 16Nov 30, 21FIBRATECH PTE. LTD
11008598 Process comprising acid pretreatment and enzymatic hydrolysisMar 16, 16May 18, 21Iogen Corporation
10858712 Production of fermentable sugars and lignin from biomass using supercritical fluidsAug 17, 18Dec 08, 20Renmatix, Inc.
10774472 Tobacco-derived nanocellulose materialJan 18, 19Sep 15, 20R.J. Reynolds Tobacco Company
10711399 Bleaching and shive reduction process for non-wood fibersMay 19, 15Jul 14, 20GPCP IP Holdings LLC
10626552 Processing device, sheet manufacturing apparatus, processing method, and manufacturing method of sheetApr 23, 18Apr 21, 20SEIKO EPSON CORPORATION
10584445 Functionalizing cellulosic and lignocellulosic materialsJan 17, 19Mar 10, 20Xyleco, Inc.
10179971 Method for processing a cellulosic feedstock at high consistencyMar 20, 15Jan 15, 19Iogen Energy Corporation
10053745 Production of fermentable sugars and lignin from biomass using supercritical fluidsMay 03, 16Aug 21, 18Renmatix, Inc.
9863090 Process operations for biomass fractionationFeb 26, 14Jan 09, 18BIO-SEP LIMITED
9695549 Detoxifying and recycling of washing solution used in pretreatment of lignocellulose-containing materialsSep 03, 08Jul 04, 17COFCO LTD., Norozymes Als,
9663896 Method for recovering hydrolysateNov 03, 15May 30, 17VALMET AB
9631317 Method for displacement in batch digestersNov 25, 15Apr 25, 17VALMET AB
9580763 Image analysis based process control of processes for production of sugar from lignocellulosic biomassJan 21, 14Feb 28, 17SEKAB E-TECHNOLOGY AB
9534262 Methods and controllers for simulated moving bed chromatography for multicomponent separationMar 28, 14Jan 03, 17GEORGIA TECH RESEARCH CORPORATION
9534345 Sampling assembly and methodDec 09, 14Jan 03, 17Not available
9422536 Glucanases, nucleic acids encoding them and methods for making and using themSep 05, 13Aug 23, 16BP CORPORATION NORTH AMERICA INC., SYNGENTA PARTICIPATIONS AG,
9422663 Apparatus and process for treatment of biocomponentsNov 05, 15Aug 23, 16Not available

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2024/0401,270 PROCESS FOR TREATMENT OF BIOMASS FOR PULPING AND BIOREFINERY APPLICATIONSSep 26, 22Dec 05, 24Not available
2024/0247,440 TREATMENT VESSEL HAVING REDUCED OUTLET END DIAMETERMay 25, 22Jul 25, 24Valmet AB

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Top Owners in This Subclass

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Patents Issued To Date - By Filing Year

19911992199319941995199619971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022Filing Years0255075100% of Matters Issued

Average Time to Issuance