by chemical means; preparation of dewatered pulp

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CPC
D21C9/002

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DTEXTILES PAPER D21Papermaking D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS APPARATUS THEREFOR D21C9/00After-treatment of cellulose pulp

Current Industry

D21C9/002by chemical means; preparation of dewatered pulp

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Biodegradable air filter from date palm and method of fabrication t...
- Patent number 12,102,947
- Issue date Oct 1, 2024
- IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
- Tarek Ahmed Yousef
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Processes and apparatus for producing nanocellulose, and compositio...
- Patent number 11,932,706
- Issue date Mar 19, 2024
- GranBio Intellectual Property Holdings, LLC
- Kimberly Nelson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Treated pulp and methods of making and using same
- Patent number 11,932,990
- Issue date Mar 19, 2024
- International Paper Company
- Andre Stephan Hajnal
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
Method for manufacturing intermediate product for conversion into m...
- Patent number 11,479,915
- Issue date Oct 25, 2022
- Stora Enso Oyj
- Kaj Backfolk
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Treated pulp and methods of making and using same
- Patent number 11,473,242
- Issue date Oct 18, 2022
- International Paper Company
- Andre Stephan Hajnal
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
High-permeability cellulose fibers
- Patent number 11,359,308
- Issue date Jun 14, 2022
- GP Cellulose GmbH
- Alan Jeffrey Campbell
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Modified fiber from shredded pulp sheets, methods, and systems
- Patent number 11,339,532
- Issue date May 24, 2022
- International Paper Company
- Charles E. Miller
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Man-made cellulosic fiber and nonwoven product or fabric comprising...
- Patent number 11,313,075
- Issue date Apr 26, 2022
- Kelheim Fibres GmbH
- Jörg Kühn
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Binder compositions for making crosslinked cellulose fiber
- Patent number 11,155,963
- Issue date Oct 26, 2021
- Rohm and Haas Company
- Charles J. Rand
- 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
Ligno cellulosic materials and the products made therefrom
- Patent number 10,907,304
- Issue date Feb 2, 2021
- International Paper Company
- Zheng Tan
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Processes and apparatus for producing nanocellulose, and compositio...
- Patent number 10,906,994
- Issue date Feb 2, 2021
- GranBio Intellectual Property Holdings, LLC
- Kimberly Nelson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Modified fiber, methods, and systems
- Patent number 10,900,174
- Issue date Jan 26, 2021
- International PaperCompany
- Charles E. Miller
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and intermediate for the production of highly refined or mic...
- Patent number 10,900,169
- Issue date Jan 26, 2021
- Stora Enso Oyj
- Isto Heiskanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
High-permeability cellulose fibers
- Patent number 10,767,280
- Issue date Sep 8, 2020
- GP Cellulose GmbH
- Alan Jeffrey Campbell
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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
Process for making partly-hydrolyzed cellulose using compressed cel...
- Patent number 10,697,122
- Issue date Jun 30, 2020
- Noram Engineering and Constructors Ltd.
- James M. Lockhart
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Absorbent towel paper web products comprising nano-filaments
- Patent number 10,687,675
- Issue date Jun 23, 2020
- Mercer International Inc.
- Tobias Ziegenbein
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for producing cellulose filaments with less refining energy
- Patent number 10,683,612
- Issue date Jun 16, 2020
- Xujun Hua
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Soft sanitary tissue paper web products comprising nano-filaments
- Patent number 10,682,021
- Issue date Jun 16, 2020
- Mercer International Inc.
- Tobias Ziegenbein
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Process for producing a pulp
- Patent number 10,648,129
- Issue date May 12, 2020
- Lenzing Aktiengesellschaft
- Herbert Sixta
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of making bleached microcrystalline cellulose
- Patent number 10,597,820
- Issue date Mar 24, 2020
- DuPont Nutrition USA, Inc.
- Zheng Tan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Energy efficient process for preparing nanocellulose fibers
- Patent number 10,563,352
- Issue date Feb 18, 2020
- University of Maine System Board of Trustees
- Michael A. Bilodeau
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for producing differentiated cellulose fibers comprising an...
- Patent number 10,519,597
- Issue date Dec 31, 2019
- Suzano S.A.
- Braz Jose Demuner
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for making tissue or towel products comprising nanofilaments
- Patent number 10,463,205
- Issue date Nov 5, 2019
- Mercer International Inc.
- Tobias Ziegenbein
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for producing paper
- Patent number 10,435,843
- Issue date Oct 8, 2019
- KEMIRA OYJ
- Chen Lu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Dry fluff pulp sheet additive
- Patent number 10,415,190
- Issue date Sep 17, 2019
- International Paper Company
- Jianer Jiang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Specialty pulp with high intrinsic viscosity
- Patent number 10,344,430
- Issue date Jul 9, 2019
- Rayonier Performance Fibers, LLC
- Othman A. Hamed
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fibers of variable wettability and materials containing the fibers
- Patent number 10,300,457
- Issue date May 28, 2019
- Georgia-Pacific Nonwovens LLC
- Jacek K. Dutkiewicz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
PROCESSES AND APPARATUS FOR PRODUCING NANOCELLULOSE, AND COMPOSITIO...
- Publication number 20240247081
- Publication date Jul 25, 2024
- GranBio Intellectual Property Holdings, LLC
- Kimberly NELSON
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
A METHOD FOR DEWATERING A WEB COMPRISING MICROFIBRILLATED CELLUOSE...
- Publication number 20230257937
- Publication date Aug 17, 2023
- STORA ENSO OYJ
- Isto Heiskanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
TREATED PULP AND METHODS OF MAKING AND USING SAME
- Publication number 20230250581
- Publication date Aug 10, 2023
- International Paper Company
- Andre Stephan Hajnal
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Separation of polycotton blends
- Publication number 20230132641
- Publication date May 4, 2023
- Infinited Fiber Company Oy
- Ari Harlin
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SULFONATED FINE CELLULOSE FIBER AND METHOD FOR PRODUCING SAME
- Publication number 20220340688
- Publication date Oct 27, 2022
- MARUSUMI PAPER CO., LTD.
- Shou HIASA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CELLULOSE MATERIAL PLASTICIZATION AND VISCOSITY CONTROLLED CELLULOS...
- Publication number 20220298725
- Publication date Sep 22, 2022
- UPM-Kymmene Corporation
- Pasi VIRTANEN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS TO OPTIMIZE BROWN STOCK WASHING UNIT OPERATIONS
- Publication number 20220251781
- Publication date Aug 11, 2022
- ECOLAB USA INC.
- William Von Drasek
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESSES AND APPARATUS FOR PRODUCING NANOCELLULOSE, AND COMPOSITIO...
- Publication number 20210284757
- Publication date Sep 16, 2021
- GranBio Intellectual Property Holdings, LLC
- Kimberly NELSON
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
LIGNO CELLULOSIC MATERIALS AND THE PRODUCTS MADE THEREFROM
- Publication number 20210262165
- Publication date Aug 26, 2021
- International Paper Company
- Zheng Tan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MODIFIED FIBER, METHODS, AND SYSTEMS
- Publication number 20210131038
- Publication date May 6, 2021
- International Paper Company
- Charles E. Miller
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING MICROCRYSTALLINE CELLULOSE
- Publication number 20210087299
- Publication date Mar 25, 2021
- ANDRITZ OY
- Hannu RÅMARK
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CELLULOSE PULP AND SHAPED LYOCELL ARTICLE HAVING A REDUCED CELLULOS...
- Publication number 20210002825
- Publication date Jan 7, 2021
- LENZING AKTIENGESELLSCHAFT
- Verena Silbermann
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
HIGH-PERMEABILITY CELLULOSE FIBERS
- Publication number 20200362473
- Publication date Nov 19, 2020
- GP Cellulose GMbH
- Alan Jeffrey Campbell
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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
TREATED PULP AND METHODS OF MAKING AND USING SAME
- Publication number 20200308766
- Publication date Oct 1, 2020
- International Paper Company
- Andre Stephan Hajnal
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR PRODUCING DIFFERENTIATED CELLULOSE FIBERS COMPRISING AN...
- Publication number 20200109512
- Publication date Apr 9, 2020
- Suzano S.A.
- Braz Jose Demuner
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SOFT SANITARY TISSUE PAPER WEB PRODUCTS COMPRISING NANO-FILAMENTS
- Publication number 20200022537
- Publication date Jan 23, 2020
- Mercer International Inc.
- Tobias Ziegenbein
- B82 - NANO-TECHNOLOGY
Information Patent Application
ABSORBENT TOWEL PAPER WEB PRODUCTS COMPRISING NANO-FILAMENTS
- Publication number 20200022538
- Publication date Jan 23, 2020
- Mercer International Inc.
- Tobias Ziegenbein
- B82 - NANO-TECHNOLOGY
Information Patent Application
PROCESSES AND APPARATUS FOR PRODUCING NANOCELLULOSE, AND COMPOSITIO...
- Publication number 20190100604
- Publication date Apr 4, 2019
- API Intellectual Property Holdings, LLC
- Kimberly NELSON
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
MODIFIED FIBER FROM SHREDDED PULP SHEETS, METHODS, AND SYSTEMS
- Publication number 20190085508
- Publication date Mar 21, 2019
- International Paper Company
- Charles E. Miller
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
ANTI-CRACKING AGENT FOR WATER-BORNE ACRYLIC PAINT AND COATING COMPO...
- Publication number 20190062562
- Publication date Feb 28, 2019
- Koninklijke Cooperatie Cosun U.A.
- Gerardus Petrus Franciscus Maria VAN ENGELEN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MODIFIED CELLULOSE FROM CHEMICAL KRAFT FIBER AND METHODS OF MAKING...
- Publication number 20190024308
- Publication date Jan 24, 2019
- GP Cellulose GMbH
- Arthur J. NONNI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
MODIFIED FIBER, METHODS, AND SYSTEMS
- Publication number 20180258589
- Publication date Sep 13, 2018
- International Paper Company
- Charles E. Miller
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR MAKING TISSUE OR TOWEL PRODUCTS COMPRISING NANOFILAMENTS
- Publication number 20180078099
- Publication date Mar 22, 2018
- Mercer International Inc.
- Tobias Ziegenbein
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
PROCESS FOR APPLYING COMPOSITION CONTAINING A CATIONIC TRIVALENT ME...
- Publication number 20170342662
- Publication date Nov 30, 2017
- International Paper Company
- James E. Sealey
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD OF AND AN ARRANGEMENT FOR TRANSFERRING A PROCESS LIQUID, AN...
- Publication number 20170268170
- Publication date Sep 21, 2017
- SULZER MANAGEMENT AG
- Reijo VESALA
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
LIGNO CELLULOSIC MATERIALS AND THE PRODUCTS MADE THEREFROM
- Publication number 20170198436
- Publication date Jul 13, 2017
- International Paper Company
- Zheng TAN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MODIFIED FIBER FROM SHREDDED PULP SHEETS, METHODS, AND SYSTEMS
- Publication number 20170183817
- Publication date Jun 29, 2017
- WEYERHAEUSER NR COMPANY
- Charles E. Miller
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MODIFIED CELLULOSE FROM CHEMICAL KRAFT FIBER AND METHODS OF MAKING...
- Publication number 20170145633
- Publication date May 25, 2017
- GP Cellulose GMbH
- Arthur J. NONNI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR PRODUCING NANOFIBRILLATED CELLULOSE
- Publication number 20160376749
- Publication date Dec 29, 2016
- KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
- Dae Young Lim
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

by chemical means; preparation of dewatered pulp

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Biodegradable air filter from date palm and method of fabrication t...

Processes and apparatus for producing nanocellulose, and compositio...

Treated pulp and methods of making and using same

Modified cellulose from chemical kraft fiber and methods of making...

Method for manufacturing intermediate product for conversion into m...

Treated pulp and methods of making and using same

High-permeability cellulose fibers

Modified fiber from shredded pulp sheets, methods, and systems

Man-made cellulosic fiber and nonwoven product or fabric comprising...

Binder compositions for making crosslinked cellulose fiber

Modified cellulose from chemical kraft fiber and methods of making...

Ligno cellulosic materials and the products made therefrom

Processes and apparatus for producing nanocellulose, and compositio...

Modified fiber, methods, and systems

Method and intermediate for the production of highly refined or mic...

High-permeability cellulose fibers

Modified cellulose from chemical kraft fiber and methods of making...

Process for making partly-hydrolyzed cellulose using compressed cel...

Absorbent towel paper web products comprising nano-filaments

Method for producing cellulose filaments with less refining energy

Soft sanitary tissue paper web products comprising nano-filaments

Process for producing a pulp

Method of making bleached microcrystalline cellulose

Energy efficient process for preparing nanocellulose fibers

Process for producing differentiated cellulose fibers comprising an...

Process for making tissue or towel products comprising nanofilaments

Method for producing paper

Dry fluff pulp sheet additive

Specialty pulp with high intrinsic viscosity

Fibers of variable wettability and materials containing the fibers

Patents Applicationslast 30 patents

PROCESSES AND APPARATUS FOR PRODUCING NANOCELLULOSE, AND COMPOSITIO...

A METHOD FOR DEWATERING A WEB COMPRISING MICROFIBRILLATED CELLUOSE...

TREATED PULP AND METHODS OF MAKING AND USING SAME

Separation of polycotton blends

SULFONATED FINE CELLULOSE FIBER AND METHOD FOR PRODUCING SAME

CELLULOSE MATERIAL PLASTICIZATION AND VISCOSITY CONTROLLED CELLULOS...

PROCESS TO OPTIMIZE BROWN STOCK WASHING UNIT OPERATIONS

PROCESSES AND APPARATUS FOR PRODUCING NANOCELLULOSE, AND COMPOSITIO...

LIGNO CELLULOSIC MATERIALS AND THE PRODUCTS MADE THEREFROM

MODIFIED FIBER, METHODS, AND SYSTEMS

PROCESS FOR PRODUCING MICROCRYSTALLINE CELLULOSE

CELLULOSE PULP AND SHAPED LYOCELL ARTICLE HAVING A REDUCED CELLULOS...

HIGH-PERMEABILITY CELLULOSE FIBERS

MODIFIED CELLULOSE FROM CHEMICAL KRAFT FIBER AND METHODS OF MAKING...

TREATED PULP AND METHODS OF MAKING AND USING SAME

PROCESS FOR PRODUCING DIFFERENTIATED CELLULOSE FIBERS COMPRISING AN...

SOFT SANITARY TISSUE PAPER WEB PRODUCTS COMPRISING NANO-FILAMENTS

ABSORBENT TOWEL PAPER WEB PRODUCTS COMPRISING NANO-FILAMENTS

PROCESSES AND APPARATUS FOR PRODUCING NANOCELLULOSE, AND COMPOSITIO...

MODIFIED FIBER FROM SHREDDED PULP SHEETS, METHODS, AND SYSTEMS

ANTI-CRACKING AGENT FOR WATER-BORNE ACRYLIC PAINT AND COATING COMPO...

MODIFIED CELLULOSE FROM CHEMICAL KRAFT FIBER AND METHODS OF MAKING...

MODIFIED FIBER, METHODS, AND SYSTEMS

PROCESS FOR MAKING TISSUE OR TOWEL PRODUCTS COMPRISING NANOFILAMENTS

PROCESS FOR APPLYING COMPOSITION CONTAINING A CATIONIC TRIVALENT ME...

METHOD OF AND AN ARRANGEMENT FOR TRANSFERRING A PROCESS LIQUID, AN...

LIGNO CELLULOSIC MATERIALS AND THE PRODUCTS MADE THEREFROM

MODIFIED FIBER FROM SHREDDED PULP SHEETS, METHODS, AND SYSTEMS

MODIFIED CELLULOSE FROM CHEMICAL KRAFT FIBER AND METHODS OF MAKING...

METHOD FOR PRODUCING NANOFIBRILLATED CELLULOSE