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D21C9/14
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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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D21C9/14
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Patents Grants
last 30 patents
Information
Patent Grant
Juncao pulp for spinning and preparation method and use thereof
Patent number
12,071,725
Issue date
Aug 27, 2024
XINXIANG CHEMICAL FIBRE CO., LTD.
Yueting Xie
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for producing refined cotton with high polymerization degree
Patent number
11,932,989
Issue date
Mar 19, 2024
HUBEI JINHANJIANG REFINED COTTON CO., LTD.
Hangxu Zhou
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Porphyrazines as efficient, catalytic and scalable method to produc...
Patent number
11,897,764
Issue date
Feb 13, 2024
The Trustees of Princeton University
John T. Groves
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Bleaching trichomes to remove proteins
Patent number
11,846,068
Issue date
Dec 19, 2023
The Procter & Gamble Company
Phillip Richard Green
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
Modified cellulose from chemical kraft fiber and methods of making...
Patent number
RE49570
Issue date
Jul 4, 2023
GP Cellulose GmbH
Arthur J. Nonni
Information
Patent Grant
Dissolving wood pulps and methods of making and using the same
Patent number
11,661,704
Issue date
May 30, 2023
GP Cellulose GmbH
Arthur James Nonni
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Odor control pulp composition
Patent number
11,613,849
Issue date
Mar 28, 2023
International Paper Company
Peter M. Froass
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Bleaching trichomes to remove proteins
Patent number
11,427,960
Issue date
Aug 30, 2022
The Procter & Gamble Company
Phillip Richard Green
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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 bleaching paper pulp
Patent number
11,384,480
Issue date
Jul 12, 2022
CENTRE TECHNIQUE DE L'INDUSTRIE DES PAPIERS, CARTONS ET CELLULOSES
Gerard Mortha
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Odor control pulp composition
Patent number
11,332,886
Issue date
May 17, 2022
International Paper Company
Peter M. Froass
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Treated Kraft pulp compositions and methods of making the same
Patent number
11,332,883
Issue date
May 17, 2022
International Paper Company
Mengkui Luo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Iron porphyrazines as efficient, catalytic and scalable method to p...
Patent number
11,242,248
Issue date
Feb 8, 2022
The Trustees of Princeton University
John T. Groves
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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
Modified cellulose from chemical kraft fiber and methods of making...
Patent number
11,111,628
Issue date
Sep 7, 2021
GP Cellulose GmbH
Arthur J. Nonni
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Dissolving wood pulps and methods of making and using the same
Patent number
11,105,042
Issue date
Aug 31, 2021
GP Cellulose GmbH
Arthur J. Nonni
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
Oxidative method
Patent number
10,882,745
Issue date
Jan 5, 2021
Catexel Technologies Limited
Ronald Hage
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Modified cellulose from chemical fiber and methods of making and us...
Patent number
10,865,519
Issue date
Dec 15, 2020
GP Cellulose GmbH
Arthur J. Nonni
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
Oxidative method
Patent number
10,815,616
Issue date
Oct 27, 2020
Catexel Technologies Limited
Ronald Hage
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Method for production of cellulose nanocrystals from Miscanthus gig...
Patent number
10,793,647
Issue date
Oct 6, 2020
Case Western Reserve University
Stuart Rowan
B82 - NANO-TECHNOLOGY
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
Modified cellulose from chemical kraft fiber and methods of making...
Patent number
10,731,293
Issue date
Aug 4, 2020
GP Cellulose GmbH
Arthur J. Nonni
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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
Enzymatic process combined with hot caustic extraction for the remo...
Patent number
10,584,442
Issue date
Mar 10, 2020
Novozymes A/S
Henrik Lund
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods for reducing content of hexenuronic acids in cellulosic pulp
Patent number
10,570,562
Issue date
Feb 25, 2020
Novozymes A/S
Henrik Lund
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-...
Patents Applications
last 30 patents
Information
Patent Application
HEMP PAPER PACKAGING MATERIAL FOR FOODSTUFF
Publication number
20240337069
Publication date
Oct 10, 2024
Wm. Wrigley Jr. Company
Preeti TYAGI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PORPHYRAZINES AS EFFICIENT, CATALYTIC AND SCALABLE METHOD TO PRODUC...
Publication number
20240208815
Publication date
Jun 27, 2024
The Trustees of Princeton University
John T. Groves
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PULP FOR JUNCAO SPINNING AND PREPARATION METHOD AND USE THEREOF
Publication number
20240084507
Publication date
Mar 14, 2024
XINXIANG CHEMICAL FIBRE CO., LTD.
Yijie XIE
D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Information
Patent Application
Bleaching Trichomes to Remove Proteins
Publication number
20240052567
Publication date
Feb 15, 2024
The Procter & Gamble Company
Phillip Richard Green
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
SHORT-SEQUENCE ECF BLEACHING PROCESS X/Z/D-EOP-D OR X/D/Z-EOP-D FOR...
Publication number
20230349098
Publication date
Nov 2, 2023
QILU UNIVERSITY OF TECHNOLOGY
Jiachuan CHEN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
METHOD FOR PITCH CONTROL DURING BLEACHING
Publication number
20230212821
Publication date
Jul 6, 2023
KEMIRA OYJ
Leif ROBERTSEN
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
TREATED KRAFT PULP COMPOSITIONS AND METHODS OF MAKING THE SAME
Publication number
20230142284
Publication date
May 11, 2023
International Paper Company
MENGKUI LUO
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS FOR PRODUCING REFINED COTTON WITH HIGH POLYMERIZATION DEGREE
Publication number
20230046123
Publication date
Feb 16, 2023
HUBEI JINHANJIANG REFINED COTTON CO., LTD.
Hangxu ZHOU
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
ODOR CONTROL PULP COMPOSITION
Publication number
20230009849
Publication date
Jan 12, 2023
International Paper Company
PETER M. FROASS
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Bleaching Trichomes to Remove Proteins
Publication number
20220349123
Publication date
Nov 3, 2022
The Procter & Gamble Company
Phillip Richard Green
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
METHOD FOR MANUFACTURING BLEACHED PULP, FEEDSTOCK, AND PACKAGING SY...
Publication number
20220267957
Publication date
Aug 25, 2022
WestRock MWV, LLC
Fritz G. Paulsen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
A method of treating a cellulosic material, a method of preparing a...
Publication number
20220220225
Publication date
Jul 14, 2022
AALTO UNIVERSITY FOUNDATION SR
Timo Pääkkönen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
A method of replacing sodium losses in a pulp mill, a method of pro...
Publication number
20220106737
Publication date
Apr 7, 2022
Metsa Fibre Oy
Ari Poukka
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PORPHYRAZINES AS EFFICIENT, CATALYTIC AND SCALABLE METHOD TO PRODUC...
Publication number
20220098037
Publication date
Mar 31, 2022
The Trustees of Princeton University
John T. Groves
C01 - INORGANIC CHEMISTRY
Information
Patent Application
NOVEL DISSOLVING WOOD PULPS AND METHODS OF MAKING AND USING THE SAME
Publication number
20210355635
Publication date
Nov 18, 2021
GP CELLULOSE GMBH
Arthur James NONNI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PRODUCTION OF CELLULOSE NANOCRYSTALS FROM MISCANTHUS GIG...
Publication number
20210139613
Publication date
May 13, 2021
Case Western Reserve University
Stuart Rowan
B82 - NANO-TECHNOLOGY
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
ODOR CONTROL PULP COMPOSITION
Publication number
20200385928
Publication date
Dec 10, 2020
International Paper Company
PETER M. FROASS
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
MODIFIED CELLULOSE FROM CHEMICAL KRAFT FIBER AND METHODS OF MAKING...
Publication number
20200347550
Publication date
Nov 5, 2020
GP Cellulose GMbH
Arthur J. NONNI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
A Lignin-Containing Cellulose Nanofiber, a Paper and a Film Compris...
Publication number
20200332087
Publication date
Oct 22, 2020
SCG Packaging Public Company Limited
Pim-on Rujitanaroj
B82 - NANO-TECHNOLOGY
Information
Patent Application
METHOD OF CONTROLLING THE CHEMICAL BALANCE OF A PULP MILL
Publication number
20200283954
Publication date
Sep 10, 2020
ANDRITZ OY
Lauri PEHU-LEHTONEN
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Bleaching Trichomes to Remove Proteins
Publication number
20200002887
Publication date
Jan 2, 2020
The Procter & Gamble Company
Phillip Richard Green
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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 BLEACHING PAPER PULP
Publication number
20190345672
Publication date
Nov 14, 2019
CENTRE TECHNIQUE DE L'INDUSTRIE DES PAPIERS, CARTONS ET CELLULOSES
Gerard MORTHA
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