with per compounds

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CPC
D21C9/16

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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

D21C9/16with per compounds

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Non-wood pulp having high brightness and low debris
- Patent number 12,146,262
- Issue date Nov 19, 2024
- Kimberly-Clark Worldwide, Inc.
- Zhiying Yu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Arylsulfonic acid—modified sulfuric acid and uses thereof
- Patent number 12,123,138
- Issue date Oct 22, 2024
- SixRing Inc.
- Clay Purdy
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of forming glass-like sheets using date palm seeds
- Patent number 12,098,506
- Issue date Sep 24, 2024
- KING FAISAL UNIVERSITY
- Chawki Awada
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
Modified sulfuric acid and uses thereof
- Patent number 12,065,780
- Issue date Aug 20, 2024
- SixRing Inc.
- Clay Purdy
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Modified sulfuric acid and uses thereof
- Patent number 12,024,821
- Issue date Jul 2, 2024
- SixRing Inc.
- Clay Purdy
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Crystalline cellulose reinforced cement
- Patent number 12,017,955
- Issue date Jun 25, 2024
- Sean McAlpine
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Combination approach to delignification of biomass under ambient co...
- Patent number 11,982,052
- Issue date May 14, 2024
- SixRing Inc.
- Clay Purdy
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Approach to biomass delignification
- Patent number 11,905,656
- Issue date Feb 20, 2024
- SixRing Inc.
- Clay Purdy
- 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
High efficiency fiber bleaching process
- Patent number 11,840,805
- Issue date Dec 12, 2023
- GPCP IP Holdings LLC
- Jeffrey A. Lee
- 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 sulfuric acid and uses thereof
- Patent number 11,760,720
- Issue date Sep 19, 2023
- SixRing Inc.
- Clay Purdy
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Enhanced peroxygen stability in multi-dispense TAED-containing pero...
- Patent number 11,731,889
- Issue date Aug 22, 2023
- Ecolab USA Inc.
- David Dotzauer
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Reduced furfural content in polyacrylic acid crosslinked cellulose...
- Patent number 11,725,339
- Issue date Aug 15, 2023
- International Paper Company
- Angel Stoyanov
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
Method for preparing dissolving pulp by TCF bleaching of poplar KP
- Patent number 11,643,777
- Issue date May 9, 2023
- QILU UNIVERSITY OF TECHNOLOGY
- Xingxiang Ji
- 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
High efficiency fiber bleaching process
- Patent number 11,591,751
- Issue date Feb 28, 2023
- GPCP IP Holdings LLC
- Jeffrey A. Lee
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Collapsible engagement mechanism
- Patent number 11,485,682
- Issue date Nov 1, 2022
- Jordon Peter Marshall
- 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
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
Method for separating lignin from ligno-cellulosic material
- Patent number 11,306,434
- Issue date Apr 19, 2022
- King Abdulaziz University
- Sherif Shawki Zaki Hindi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods of paper mill processing using recycled white water with mi...
- Patent number 11,225,755
- Issue date Jan 18, 2022
- Clean Chemistry, Inc.
- Wayne E. Buschmann
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for recovery of cellulosic material from waste ligno-cellulo...
- Patent number 11,136,715
- Issue date Oct 5, 2021
- King Abdulaziz University
- Sherif Shawki Zaki Hindi
- 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
Methods of pulp fiber treatment
- Patent number 11,111,629
- Issue date Sep 7, 2021
- Clean Chemistry, Inc.
- Wayne E. Buschmann
- 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

Patents Applicationslast 30 patents

Information Patent Application
Crystalline Cellulose Reinforced Cement
- Publication number 20240336526
- Publication date Oct 10, 2024
- NANO-GREEN BIOREFINERIES INC.
- Sean MCALPINE
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
METHOD FOR PREPARING FLUFF PULP FROM BAMBOOS AND FLUFF PULP PREPARE...
- Publication number 20240328083
- Publication date Oct 3, 2024
- SOUTH CHINA UNIVERSITY OF TECHNOLOGY
- Yichao LEI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MODIFIED SULFURIC ACID AND USES THEREOF
- Publication number 20240309585
- Publication date Sep 19, 2024
- SixRing Inc.
- Clay PURDY
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MODIFIED SULFURIC ACID AND USES THEREOF
- Publication number 20240263394
- Publication date Aug 8, 2024
- Clay PURDY
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
APPROACH TO BIOMASS DELIGNIFICATION
- Publication number 20240247438
- Publication date Jul 25, 2024
- SixRing Inc.
- Clay Purdy
- 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
NON-WOOD PULP HAVING HIGH BRIGHTNESS AND LOW DEBRIS
- Publication number 20240018723
- Publication date Jan 18, 2024
- Kimberly-Clark Worldwide, Inc.
- Zhiying Yu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
DISPERSIBLE NON-WOOD PULP
- Publication number 20240003087
- Publication date Jan 4, 2024
- Kimberly-Clark Worldwide, Inc.
- David J. Paulson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR BLEACHING PULP FROM RECYCLED TEXTILE MATERIAL
- Publication number 20230392320
- Publication date Dec 7, 2023
- VALMET AB
- Maria WENNERSTRÖM
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MODIFIED SULFURIC ACID AND USES THEREOF
- Publication number 20230382852
- Publication date Nov 30, 2023
- SixRing Inc.
- Clay PURDY
- C01 - INORGANIC CHEMISTRY
Information Patent Application
REDUCED FURFURAL CONTENT IN POLYACRYLIC ACID CROSSLINKED CELLULOSE...
- Publication number 20230383461
- Publication date Nov 30, 2023
- International Paper Company
- Angel Stoyanov
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR TREATING TERRESTRIAL-BASED AND MARINE-BASED BIOMASSES
- Publication number 20230357988
- Publication date Nov 9, 2023
- GREENKEY LLC
- Melvin Mitchell
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
OXIDIZED CELLULOSE MATERIALS
- Publication number 20230332358
- Publication date Oct 19, 2023
- GP Cellulose GMbH
- Charles E. Courchene
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR SEPARATING BIOMASS COMPONENTS BY TERNARY SYSTEM
- Publication number 20230323597
- Publication date Oct 12, 2023
- QILU UNIVERSITY OF TECHNOLOGY
- Yongchao Zhang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
HIGH YIELD CHEMICAL PULPING AND BLEACHING PROCESS
- Publication number 20230265609
- Publication date Aug 24, 2023
- GPCP IP Holdings LLC
- Jeffrey A. Lee
- 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
High Efficiency Fiber Bleaching Process
- Publication number 20230167604
- Publication date Jun 1, 2023
- GPCP IP Holdings LLC
- Jeffrey A. Lee
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR MANUFACTURING A FIBRE WEB
- Publication number 20230031382
- Publication date Feb 2, 2023
- Kemira Oyj
- Marko KOLARI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
COLLAPSIBLE ENGAGEMENT MECHANISM
- Publication number 20230016500
- Publication date Jan 19, 2023
- Jordon Peter Marshall
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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
MODIFIED SULFURIC ACID AND USES THEREOF
- Publication number 20220267955
- Publication date Aug 25, 2022
- SixRing Inc.
- Clay PURDY
- 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
METHODS OF MICROBIAL CONTROL
- Publication number 20220259803
- Publication date Aug 18, 2022
- Clean Chemistry, Inc.
- Wayne E. Buschmann
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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
APPROACH TO BIOMASS DELIGNIFICATION
- Publication number 20220195664
- Publication date Jun 23, 2022
- SixRing Inc.
- Clay PURDY
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
COMBINATION APPROACH TO DELIGNIFICATION OF BIOMASS UNDER AMBIENT CO...
- Publication number 20220186434
- Publication date Jun 16, 2022
- SixRing Inc.
- Clay PURDY
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

with per compounds

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Non-wood pulp having high brightness and low debris

Arylsulfonic acid—modified sulfuric acid and uses thereof

Method of forming glass-like sheets using date palm seeds

Juncao pulp for spinning and preparation method and use thereof

Modified sulfuric acid and uses thereof

Modified sulfuric acid and uses thereof

Crystalline cellulose reinforced cement

Combination approach to delignification of biomass under ambient co...

Approach to biomass delignification

Bleaching trichomes to remove proteins

High efficiency fiber bleaching process

Methods of pulp fiber treatment

Modified sulfuric acid and uses thereof

Enhanced peroxygen stability in multi-dispense TAED-containing pero...

Reduced furfural content in polyacrylic acid crosslinked cellulose...

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

Dissolving wood pulps and methods of making and using the same

Method for preparing dissolving pulp by TCF bleaching of poplar KP

Odor control pulp composition

High efficiency fiber bleaching process

Collapsible engagement mechanism

Bleaching trichomes to remove proteins

Method for bleaching paper pulp

Odor control pulp composition

Method for separating lignin from ligno-cellulosic material

Methods of paper mill processing using recycled white water with mi...

Method for recovery of cellulosic material from waste ligno-cellulo...

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

Methods of pulp fiber treatment

Dissolving wood pulps and methods of making and using the same

Patents Applicationslast 30 patents

Crystalline Cellulose Reinforced Cement

HEMP PAPER PACKAGING MATERIAL FOR FOODSTUFF

METHOD FOR PREPARING FLUFF PULP FROM BAMBOOS AND FLUFF PULP PREPARE...

MODIFIED SULFURIC ACID AND USES THEREOF

MODIFIED SULFURIC ACID AND USES THEREOF

APPROACH TO BIOMASS DELIGNIFICATION

PULP FOR JUNCAO SPINNING AND PREPARATION METHOD AND USE THEREOF

Bleaching Trichomes to Remove Proteins

NON-WOOD PULP HAVING HIGH BRIGHTNESS AND LOW DEBRIS

DISPERSIBLE NON-WOOD PULP

METHOD FOR BLEACHING PULP FROM RECYCLED TEXTILE MATERIAL

MODIFIED SULFURIC ACID AND USES THEREOF

REDUCED FURFURAL CONTENT IN POLYACRYLIC ACID CROSSLINKED CELLULOSE...

PROCESS FOR TREATING TERRESTRIAL-BASED AND MARINE-BASED BIOMASSES

SHORT-SEQUENCE ECF BLEACHING PROCESS X/Z/D-EOP-D OR X/D/Z-EOP-D FOR...

OXIDIZED CELLULOSE MATERIALS

METHOD FOR SEPARATING BIOMASS COMPONENTS BY TERNARY SYSTEM

HIGH YIELD CHEMICAL PULPING AND BLEACHING PROCESS

PROCESS AND APPARATUS FOR PRODUCING BLEACHED CELLULOSE

High Efficiency Fiber Bleaching Process

PROCESS FOR MANUFACTURING A FIBRE WEB

COLLAPSIBLE ENGAGEMENT MECHANISM

ODOR CONTROL PULP COMPOSITION

Bleaching Trichomes to Remove Proteins

MODIFIED SULFURIC ACID AND USES THEREOF

METHOD FOR MANUFACTURING BLEACHED PULP, FEEDSTOCK, AND PACKAGING SY...

METHODS OF MICROBIAL CONTROL

Oxygen Treatment of High Kappa Fibers

APPROACH TO BIOMASS DELIGNIFICATION

COMBINATION APPROACH TO DELIGNIFICATION OF BIOMASS UNDER AMBIENT CO...