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CPC
D21C1/08
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D
TEXTILES PAPER
D21
Papermaking
D21C
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS APPARATUS THEREFOR
D21C1/00
Pretreatment of the finely-divided materials before digesting
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D21C1/08
with oxygen-generating compounds
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Patents Grants
last 30 patents
Information
Patent Grant
Common preparation of lignocellulosic feedstock and a product conta...
Patent number
12,116,729
Issue date
Oct 15, 2024
Lenzing Aktiengesellschaft
Richard Herchl
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for producing softwood-derived pulp fibers for paper and sof...
Patent number
11,879,210
Issue date
Jan 23, 2024
Unicharm Corporation
Takeshi Bandou
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Compositions comprising parenchymal cellulose particulate material
Patent number
10,563,048
Issue date
Feb 18, 2020
CELLUCOMP LIMITED
Eric Whale
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Methods for producing raw materials from plant biomass
Patent number
9,938,663
Issue date
Apr 10, 2018
9FIBER, INC.
Adam Powars
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Methods for producing raw materials from plant biomass
Patent number
9,702,082
Issue date
Jul 11, 2017
9FIBER, INC.
Adam Powars
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Cellulose solution manufacturing method, cellulose precipitate manu...
Patent number
9,522,991
Issue date
Dec 20, 2016
Ehime Prefectural Government
Kenji Nakamura
C13 - SUGAR INDUSTRY
Information
Patent Grant
Short oxygen delignification method
Patent number
9,512,560
Issue date
Dec 6, 2016
QUANTUM TECHNOLOGIES, INC.
Peter A. Piechuta
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Decortication methods for producing raw materials from plant biomass
Patent number
9,487,914
Issue date
Nov 8, 2016
9F, Inc.
Adam Powars
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Wet oxidation of biomass
Patent number
9,458,569
Issue date
Oct 4, 2016
CLEAN-VANTAGE LLC
Richard Alan Merrill
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for fractionating sugarcane bagasse into high α-cellulose p...
Patent number
8,529,731
Issue date
Sep 10, 2013
Council of Scientific and Industrial Research
Anjanikumar Jyotiprasad Varma
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process of producing high-yield pulp
Patent number
8,268,122
Issue date
Sep 18, 2012
Akzo Nobel N.V.
Karin Susanne Maria Walter
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for oxygen pulping of lignocellulosic material and recorver...
Patent number
6,770,168
Issue date
Aug 3, 2004
Kiram AB
Lars Stigsson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for the conversion of lignocellulosic material to cellulose...
Patent number
4,561,936
Issue date
Dec 31, 1985
Mo och Domsjo Aktiebolag
Hans O. Samuelson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Chemithermomechanical pulping process employing separate alkali and...
Patent number
4,486,267
Issue date
Dec 4, 1984
Mead Corporation
Zenon C. Prusas
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of delignifying wood chips with oxygen by adding cooking liq...
Patent number
4,172,006
Issue date
Oct 23, 1979
Weyerhaeuser Company
Marion R. San Clemente
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of resin seasoning wood chips
Patent number
4,088,529
Issue date
May 9, 1978
Billeruds Aktiebolag
James O. Rynman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
FIBROUS CELLULOSE COMPOSITE RESIN AND PRODUCTION METHOD THEREFOR
Publication number
20220282076
Publication date
Sep 8, 2022
DAIO PAPER CORPORATION
Ikko Matsusue
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
COMMON PREPARATION OF LIGNOCELLULOSIC FEEDSTOCK AND A PRODUCT CONTA...
Publication number
20220243399
Publication date
Aug 4, 2022
LENZING AKTIENGESELLSCHAFT
Richard HERCHL
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PRODUCING SOFTWOOD-DERIVED PULP FIBERS FOR PAPER AND SOF...
Publication number
20220074138
Publication date
Mar 10, 2022
UNICHARM CORPORATION
Takeshi Bandou
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
COMPOSITIONS COMPRISING PARENCHYMAL CELLULOSE PARTICULATE MATERIAL
Publication number
20180208748
Publication date
Jul 26, 2018
CELLUCOMP LIMITED
Eric WHALE
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHODS FOR PRODUCING RAW MATERIALS FROM PLANT BIOMASS
Publication number
20170284020
Publication date
Oct 5, 2017
9Fiber, Inc.
Adam Powars
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
METHODS FOR PRODUCING RAW MATERIALS FROM PLANT BIOMASS
Publication number
20170044712
Publication date
Feb 16, 2017
9F, Inc.
Adam Powars
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
SHORT OXYGEN DELIGNIFICATION METHOD
Publication number
20160122945
Publication date
May 5, 2016
Quantum Technologies, Inc.
Peter A. Piechuta
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Advanced Methods for Sugar Production from Lignocellulosic Biomass...
Publication number
20150184212
Publication date
Jul 2, 2015
Washington State University
Mahesh Bule
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
METHOD FOR ISOLATING CELLULOSE FROM A BIOMASS AND PRODUCTS PROVIDED...
Publication number
20150152598
Publication date
Jun 4, 2015
Melvin Mitchell
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
WET OXIDATION OF BIOMASS
Publication number
20140199740
Publication date
Jul 17, 2014
CLEAN-VANTAGE LLC
RICHARD ALAN MERRILL
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
CELLULOSE SOLUTION MANUFACTURING METHOD, CELLULOSE PRECIPITATE MANU...
Publication number
20130177948
Publication date
Jul 11, 2013
Kenji Nakamura
C13 - SUGAR INDUSTRY
Information
Patent Application
PROCESS FOR FRACTIONATING SUGARCANE BAGASSE INTO HIGH A-CELLULOSE P...
Publication number
20100276093
Publication date
Nov 4, 2010
Anjanikumar Jyotiprasad Varma
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process of producing high-yield pulp
Publication number
20070125507
Publication date
Jun 7, 2007
Akzo Nobel N.V.
Karin Susanne Maria Walter
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE