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D21C9/147
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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
D21C9/00
After-treatment of cellulose pulp
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D21C9/147
with oxygen or its allotropic modifications
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Patents Grants
last 30 patents
Information
Patent Grant
Methods of pulp fiber treatment
Patent number
11,795,615
Issue date
Oct 24, 2023
Clean Chemistry, Inc.
Wayne E. Buschmann
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Cellulose fibers
Patent number
11,414,789
Issue date
Aug 16, 2022
RE:NEWCELL AB
Mikael Lindström
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for enhanced oxygen delignification of chemical wood pulps
Patent number
11,193,237
Issue date
Dec 7, 2021
Daniel Joseph Nicholson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods of pulp fiber treatment
Patent number
10,883,224
Issue date
Jan 5, 2021
Clean Chemistry, Inc.
Wayne E. Buschmann
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Bleaching and shive reduction process for non-wood fibers
Patent number
10,844,538
Issue date
Nov 24, 2020
GPCP IP Holdings LLC
Jeffrey A. Lee
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Crosslinked cellulose as precursor in production of high-grade cell...
Patent number
10,829,892
Issue date
Nov 10, 2020
International Paper Company
Mengkui Luo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Low viscosity kraft fiber having an enhanced carboxyl content and m...
Patent number
10,753,043
Issue date
Aug 25, 2020
GP Cellulose GmbH
Arthur J. Nonni
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for lignin depolymerisation
Patent number
10,626,553
Issue date
Apr 21, 2020
METGEN OY
Klara Birikh
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Low viscosity kraft fiber having an enhanced carboxyl content and m...
Patent number
10,550,516
Issue date
Feb 4, 2020
GP Cellulose GmbH
Arthur J. Nonni
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Crosslinked cellulose as precursor in production of high-grade cell...
Patent number
10,428,459
Issue date
Oct 1, 2019
International Paper Company
Mengkui Luo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Use of surfactant to treat pulp and improve the incorporation of kr...
Patent number
10,407,830
Issue date
Sep 10, 2019
GP Cellulose GmbH
Arthur J. Nonni
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Softwood kraft fiber having improved whiteness and brightness and m...
Patent number
10,294,613
Issue date
May 21, 2019
GP Cellulose GmbH
Arthur J. Nonni
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Low viscosity kraft fiber having an enhanced carboxyl content and m...
Patent number
10,294,614
Issue date
May 21, 2019
GP Cellulose GmbH
Arthur J. Nonni
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of processing and fractionating biomass and use of fractions...
Patent number
10,266,610
Issue date
Apr 23, 2019
Teknologian tutkimuskeskus VTT Oy
Antero Varhimo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Low viscosity kraft fiber having an enhanced carboxyl content and m...
Patent number
10,174,455
Issue date
Jan 8, 2019
GP Cellulose GmbH
Arthur J. Nonni
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Softwood kraft fiber having an improved α-cellulose content and its...
Patent number
10,151,064
Issue date
Dec 11, 2018
GP Cellulose GmbH
Arthur J. Nonni
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of making a highly functional, low viscosity kraft fiber usi...
Patent number
10,138,598
Issue date
Nov 27, 2018
GP Cellulose GmbH
Arthur J. Nonni
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for delignifying and bleaching pulp
Patent number
10,006,169
Issue date
Jun 26, 2018
Evonik Degussa GmbH
Thomas Dietz
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Low viscosity kraft fiber having an enhanced carboxyl content and m...
Patent number
9,951,470
Issue date
Apr 24, 2018
GP Cellulose GmbH
Arthur J. Nonni
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods of producing a paper product
Patent number
9,945,073
Issue date
Apr 17, 2018
The Research Foundation for the State University of New York
Thomas E. Amidon
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Crosslinked cellulose as precursor in production of high-grade cell...
Patent number
9,926,665
Issue date
Mar 27, 2018
International Paper Company
Mengkui Luo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Low viscosity kraft fiber having reduced yellowing properties and m...
Patent number
9,719,208
Issue date
Aug 1, 2017
GP Cellulose GmbH
Arthur J. Nonni
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods of producing a paper product
Patent number
9,683,329
Issue date
Jun 20, 2017
The Research Foundation for the State University of New York
Thomas E. Amidon
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of manufacturing pulp for corrugated medium
Patent number
9,399,835
Issue date
Jul 26, 2016
Packaging Corporation of America
Ventzislav H. Kirov
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and assembly for processing cellulose pulp of wood processin...
Patent number
9,163,358
Issue date
Oct 20, 2015
Andritz Oy
Auvo Kettunen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Sulfonation of pulp produced by alkali pulping process
Patent number
8,980,051
Issue date
Mar 17, 2015
International Paper Company
Xuan T. Nguyen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of manufacturing pulp for corrugated medium
Patent number
8,961,740
Issue date
Feb 24, 2015
Packaging Corporation of America
Ventzislav H. Kirov
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for production of bleached pulp
Patent number
8,900,408
Issue date
Dec 2, 2014
Mitsubishi Gas Chemical Company, Inc.
Kiyoshi Yoshida
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for preparing nonwood fiber paper
Patent number
8,795,469
Issue date
Aug 5, 2014
Prairie Paper Ventures Inc.
Jeff Golfman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Raw Paper
Patent number
8,771,465
Issue date
Jul 8, 2014
Shandong Fuyin Paper & Environmental Protection Technology Co., Ltd
Hongfa Li
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
CROSSLINKED KRAFT PULP COMPOSITIONS AND METHOD
Publication number
20230383467
Publication date
Nov 30, 2023
International Paper Company
Mengkui Luo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS AND APPARATUS FOR WHITE LIQUOR OXIDATION
Publication number
20230313456
Publication date
Oct 5, 2023
Messer Austria GmbH
Bernhard Thaller
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS AND APPARATUS FOR PRODUCING BLEACHED CELLULOSE
Publication number
20230203751
Publication date
Jun 29, 2023
Messer Austria GmbH
Bernhard Thaller
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FLUFF PULP
Publication number
20220290376
Publication date
Sep 15, 2022
STORA ENSO OYJ
Helena Tufvesson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Oxygen Treatment of High Kappa Fibers
Publication number
20220213648
Publication date
Jul 7, 2022
GPCP IP Holdings LLC
Kevin M. Holtman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
BLEACHING AND SHIVE REDUCTION PROCESS FOR NON-WOOD FIBERS
Publication number
20210032812
Publication date
Feb 4, 2021
GPCP IP Holdings LLC
Jeffrey A. Lee
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
CROSSLINKED CELLULOSE AS PRECURSOR IN PRODUCTION OF HIGH-GRADE CELL...
Publication number
20200002891
Publication date
Jan 2, 2020
International Paper Company
Mengkui Luo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR LIGNIN DEPOLYMERISATION
Publication number
20190271112
Publication date
Sep 5, 2019
METGEN OY
Klara Birikh
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Low Viscosity Kraft Fiber Having an Enhanced Carboxyl Content and M...
Publication number
20190136450
Publication date
May 9, 2019
Arthur J. NONNI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CROSSLINKED KRAFT PULP COMPOSITIONS AND METHOD
Publication number
20180363245
Publication date
Dec 20, 2018
International Paper Company
Mengkui Luo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHODS OF PRODUCING A PAPER PRODUCT
Publication number
20180245285
Publication date
Aug 30, 2018
The Research Foundation for the State University of New York
Thomas E. Amidon
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
LOW VISCOSITY KRAFT FIBER HAVING AN ENHANCED CARBOXYL CONTENT AND M...
Publication number
20180202103
Publication date
Jul 19, 2018
GP Cellulose GMbH
Arthur J. Nonni
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CROSSLINKED CELLULOSE AS PRECURSOR IN PRODUCTION OF HIGH-GRADE CELL...
Publication number
20180187372
Publication date
Jul 5, 2018
International Paper Company
Mengkui Luo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Softwood kraft fiber having improved whiteness and brightness and m...
Publication number
20170370048
Publication date
Dec 28, 2017
GP Cellulose GMbH
Arthur J. Nonni
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS FOR THE PRODUCTION OF A TREATED PULP, TREATED PULP, AND TEX...
Publication number
20170314197
Publication date
Nov 2, 2017
INNVENTIA AB
Elisabeth Bergnor
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
METHODS OF PRODUCING A PAPER PRODUCT
Publication number
20170306557
Publication date
Oct 26, 2017
The Research Foundation for the State University of New York
Thomas E. Amidon
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method of processing and fractionating biomass and use of fractions...
Publication number
20170298152
Publication date
Oct 19, 2017
Teknologian Tutkimuskeskus VTT Oy
Antero Varhimo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CROSSLINKED CELLULOSE AS LOW-COST PRECURSOR IN PRODUCTION OF HIGH-G...
Publication number
20170247833
Publication date
Aug 31, 2017
WEYERHAEUSER NR COMPANY
Mengkui Lou
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD OF PRODUCING DISSOLVING PULP FROM LIGNOCELLULOSIC MATERIAL
Publication number
20170130397
Publication date
May 11, 2017
VALMET AB
Håkan Dahllöf
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PRODUCT AND PROCESSES FROM AN INTEGRATED FOREST BIOREFINERY
Publication number
20160168791
Publication date
Jun 16, 2016
The Research Foundation for the State University of New York
Thomas E. Amidon
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
LOW VISCOSITY KRAFT FIBER HAVING REDUCED YELLOWING PROPERTIES AND M...
Publication number
20140318725
Publication date
Oct 30, 2014
GP Cellulose GMbH
Arthur J. Nonni
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
LOW VISCOSITY KRAFT FIBER HAVING AN ENHANCED CARBOXYL CONTENT AND M...
Publication number
20140274680
Publication date
Sep 18, 2014
GP Cellulose GMbH
Arthur J. NONNI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PRODUCT AND PROCESSES FROM AN INTEGRATED FOREST BIOREFINERY
Publication number
20140182796
Publication date
Jul 3, 2014
The Research Foundation for the State University of New York
Thomas E. Amidon
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD AND ARRANGEMENT FOR TREATING CHEMICAL PULP
Publication number
20140102648
Publication date
Apr 17, 2014
ANDRITZ OY
Janne Vehmaa
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PRODUCT AND PROCESSES FROM AN INTEGRATED FOREST BIOREFINERY
Publication number
20130112359
Publication date
May 9, 2013
Thomas E. Amidon
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD OF MANUFACTURING PULP FOR CORRUGATED MEDIUM
Publication number
20130081769
Publication date
Apr 4, 2013
PACKAGING CORPORATION OF AMERICA
Ventzislav H. Kirov
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PULP BLEACHING
Publication number
20130042986
Publication date
Feb 21, 2013
DEQUEST AG
Thierry Jules Guilmin
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD AND ASSEMBLY FOR PROCESSING CELLULOSE PULP OF WOOD PROCESSIN...
Publication number
20120193050
Publication date
Aug 2, 2012
ANDRITZ OY
Auvo Kettunen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR MANUFACTURING PAPERMAKING PULP
Publication number
20120118518
Publication date
May 17, 2012
Christophe Calais
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Pulp Bleaching and Alkaline Extraction Method
Publication number
20120031575
Publication date
Feb 9, 2012
SAVAGE SERVICES CORPORATION
Bimal Khandelwal
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE