with ClO2/Cl2 and other bleaching agents in a multistage process

Industry

CPC
D21C9/144

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Parent Industries

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

D21C9/144with ClO2/Cl2 and other bleaching agents in a multistage process

Industries

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Patents Grantslast 30 patents

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
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
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
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
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
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
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
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
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
Modified cellulose from chemical kraft fiber and methods of making...
- Patent number 10,106,927
- Issue date Oct 23, 2018
- GP Cellulose GmbH
- Arthur J. Nonni
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Reducing content of hexenuronic acids in cellulosic pulp
- Patent number 9,970,157
- Issue date May 15, 2018
- Novozymes A/S
- Henrik Lund
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Modified cellulose from chemical kraft fiber and methods of making...
- Patent number 9,970,158
- Issue date May 15, 2018
- GP Cellulose GmbH
- Arthur J. Nonni
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Modified cellulose from chemical kraft fiber and methods of making...
- Patent number 9,926,666
- Issue date Mar 27, 2018
- GP Cellulose GmbH
- Arthur J. Nonni
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Modified cellulose from chemical kraft fiber and methods of making...
- Patent number 9,909,257
- Issue date Mar 6, 2018
- GP Cellulose GmbH
- Arthur J. Nonni
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Modified cellulose from chemical kraft fiber and methods of making...
- Patent number 9,777,432
- Issue date Oct 3, 2017
- GP Cellulose GmbH
- Arthur J. Nonni
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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
Method for bleaching pulp
- Patent number 9,540,767
- Issue date Jan 10, 2017
- Kemira Oyj
- Tapani Vuorinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Modified cellulose from chemical kraft fiber and methods of making...
- Patent number 9,512,562
- Issue date Dec 6, 2016
- GP Cellulose GmbH
- Arthur J. Nonni
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Modified cellulose from chemical kraft fiber and methods of making...
- Patent number 9,512,561
- Issue date Dec 6, 2016
- GP Cellulose GmbH
- Arthur J. Nonni
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for improving chlorine dioxide bleaching of pulp
- Patent number 9,057,156
- Issue date Jun 16, 2015
- SKZO NOBEL CHEMICALS INTERNATIONAL B.V.
- Douglas W. Reid
- 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
Process for producing bleached pulp
- Patent number 8,864,942
- Issue date Oct 21, 2014
- Mitsubishi Gas Chemical Company, Inc.
- Iori Tomoda
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of treating liquid flows at a chemical pulp mill
- Patent number 8,815,053
- Issue date Aug 26, 2014
- Adritz Oy
- Janne Vehmaa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Modified cellulose from chemical kraft fiber and methods of making...
- Patent number 8,778,136
- Issue date Jul 15, 2014
- GP Cellulose GmbH
- Arthur J. Nonni
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for delignifying and bleaching chemical pulp
- Patent number 8,568,558
- Issue date Oct 29, 2013
- Evonik Degussa GmbH
- Thomas Dietz
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Bleaching process of chemical pulp
- Patent number 8,524,038
- Issue date Sep 3, 2013
- Oy Lannen Tutkimus—Western Research Inc.
- Aki Vilpponen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Near neutral chlorine dioxide bleaching of pulp
- Patent number 8,470,132
- Issue date Jun 25, 2013
- FPInnovations
- Zhi-Hua Jiang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for producing bleached pulp
- Patent number 8,268,123
- Issue date Sep 18, 2012
- Mitsubishi Gas Chemical Company, Inc.
- Iori Tomoda
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Processes and systems for the bleaching of lignocellulosic pulps fo...
- Patent number 8,262,856
- Issue date Sep 11, 2012
- Andritz Inc.
- Pam O'Leary
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

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
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
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
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
METHOD FOR EXTRACTING CELLUSOSE, HEMICELLULOSE AND LIGNIN FROM LIGN...
- Publication number 20190249363
- Publication date Aug 15, 2019
- CLARIANT INTERNATIONAL LTD
- Manuela FRICK
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
TREATED KRAFT PULP COMPOSITIONS AND METHODS OF MAKING THE SAME
- Publication number 20190242060
- Publication date Aug 8, 2019
- International Paper Company
- Mengkui Luo
- 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
REDUCING CONTENT OF HEXENURONIC ACIDS IN CELLULOSIC PULP
- Publication number 20180230649
- Publication date Aug 16, 2018
- NOVOZYMES A/S
- Henrik Lund
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MODIFIED CELLULOSE FROM CHEMICAL FIBER AND METHODS OF MAKING AND US...
- Publication number 20180135245
- Publication date May 17, 2018
- GP Cellulose GMbH
- Arthur J. Nonni
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
MODIFIED CELLULOSE FROM CHEMICAL KRAFT FIBER AND METHODS OF MAKING...
- Publication number 20170145632
- Publication date May 25, 2017
- GP Cellulose GMbH
- Arthur J. NONNI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
REDUCING CONTENT OF HEXENURONIC ACIDS IN CELLULOSIC PULP
- Publication number 20160177503
- Publication date Jun 23, 2016
- NOVOZYMES A/S
- Henrik Lund
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
TREATED KRAFT PULP COMPOSITIONS AND METHODS OF MAKING THE SAME
- Publication number 20150184338
- Publication date Jul 2, 2015
- WEYERHAEUSER NR COMPANY
- Mengkui Luo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MODIFIED CELLULOSE FROM CHEMICAL KRAFT FIBER AND METHODS OF MAKING...
- Publication number 20140284008
- Publication date Sep 25, 2014
- GP Cellulose GMbH
- Arthur J. NONNI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
MODIFIED CELLULOSE FROM CHEMICAL KRAFT FIBER AND METHODS OF MAKING...
- Publication number 20140262086
- Publication date Sep 18, 2014
- GP Cellulose GMbH
- Arthur J. NONNI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
PROCESS FOR IMPROVING CHLORINE DIOXIDE BLEACHING OF PULP
- Publication number 20130269891
- Publication date Oct 17, 2013
- Akzo Nobel Chemicals International B.V.
- Douglas W. Reid
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MODIFIED CELLULOSE FROM CHEMICAL KRAFT FIBER AND METHODS OF MAKING...
- Publication number 20130248131
- Publication date Sep 26, 2013
- GP Cellulose GMbH
- Arthur J. NONNI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
MODIFIED CELLULOSE FROM CHEMICAL KRAFT FIBER AND METHODS OF MAKING...
- Publication number 20130197461
- Publication date Aug 1, 2013
- GP Cellulose GMbH
- Arthur J. NONNI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
PROCESS FOR PRODUCING BLEACHED PULP
- Publication number 20130062026
- Publication date Mar 14, 2013
- Iori Tomoda
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD OF TREATING LIQUID FLOWS AT A CHEMICAL PULP MILL
- Publication number 20120279669
- Publication date Nov 8, 2012
- ANDRITZ OY
- Janne Vehmaa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MODIFIED CELLULOSE FROM CHEMICAL KRAFT FIBER AND METHODS OF MAKING...
- Publication number 20120183772
- Publication date Jul 19, 2012
- GP Cellulose GMbH
- Arthur J. Nonni
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
MODIFIED CELLULOSE FROM CHEMICAL KRAFT FIBER AND METHODS OF MAKING...
- Publication number 20120175073
- Publication date Jul 12, 2012
- GP Cellulose GMbH
- Arthur J. Nonni
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Process in a (D) stage bleaching of softwood pulps in a presence of...
- Publication number 20110265964
- Publication date Nov 3, 2011
- International Paper Company
- CAIFANG YIN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Process of bleaching hardwood pulps in a D1 or D2 stage in a presen...
- Publication number 20110240238
- Publication date Oct 6, 2011
- International Paper Company
- CAIFANG YIN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Process for Delignifying and Bleaching Chemical Pulp
- Publication number 20110174451
- Publication date Jul 21, 2011
- EVONIK DEGUSSA GmbH
- Thomas Dietz
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SULFONATION OF PULP PRODUCED BY ALKALI PULPING PROCESS
- Publication number 20100269992
- Publication date Oct 28, 2010
- International Paper Company
- Xuan T. Nguyen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
BLEACHING PROCESS OF CHEMICAL PULP
- Publication number 20090277596
- Publication date Nov 12, 2009
- OY LANNEN TUTKIMUS - WESTERN RESEARCH INC
- Aki Vilpponen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
BLEACHING PROCESS OF CHEMICAL PULP
- Publication number 20090242152
- Publication date Oct 1, 2009
- OY LANNEN TUTKIMUS - WESTERN RESEARCH INC
- Aki Vilpponen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR PRODUCING BLEACHED PULP
- Publication number 20090183845
- Publication date Jul 23, 2009
- Iori Tomoda
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Near Neutral Chlorine Dioxide Bleaching of Pulp
- Publication number 20090101296
- Publication date Apr 23, 2009
- Zhi-Hua Jiang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

with ClO2/Cl2 and other bleaching agents in a multistage process

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

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

Treated Kraft pulp compositions and methods of making the same

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

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

Oxidative method

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

Methods for reducing content of hexenuronic acids in cellulosic pulp

Softwood kraft fiber having improved whiteness and brightness and m...

Softwood kraft fiber having an improved α-cellulose content and its...

Method of making a highly functional, low viscosity kraft fiber usi...

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

Reducing content of hexenuronic acids in cellulosic pulp

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

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

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

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

Low viscosity kraft fiber having reduced yellowing properties and m...

Method for bleaching pulp

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

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

Process for improving chlorine dioxide bleaching of pulp

Sulfonation of pulp produced by alkali pulping process

Process for producing bleached pulp

Method of treating liquid flows at a chemical pulp mill

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

Process for delignifying and bleaching chemical pulp

Bleaching process of chemical pulp

Near neutral chlorine dioxide bleaching of pulp

Process for producing bleached pulp

Processes and systems for the bleaching of lignocellulosic pulps fo...

Patents Applicationslast 30 patents

TREATED KRAFT PULP COMPOSITIONS AND METHODS OF MAKING THE SAME

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

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

METHOD OF CONTROLLING THE CHEMICAL BALANCE OF A PULP MILL

METHOD FOR EXTRACTING CELLUSOSE, HEMICELLULOSE AND LIGNIN FROM LIGN...

TREATED KRAFT PULP COMPOSITIONS AND METHODS OF MAKING THE SAME

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

REDUCING CONTENT OF HEXENURONIC ACIDS IN CELLULOSIC PULP

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

Softwood kraft fiber having improved whiteness and brightness and m...

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

REDUCING CONTENT OF HEXENURONIC ACIDS IN CELLULOSIC PULP

TREATED KRAFT PULP COMPOSITIONS AND METHODS OF MAKING THE SAME

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

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

PROCESS FOR IMPROVING CHLORINE DIOXIDE BLEACHING OF PULP

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

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

PROCESS FOR PRODUCING BLEACHED PULP

METHOD OF TREATING LIQUID FLOWS AT A CHEMICAL PULP MILL

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

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

Process in a (D) stage bleaching of softwood pulps in a presence of...

Process of bleaching hardwood pulps in a D1 or D2 stage in a presen...

Process for Delignifying and Bleaching Chemical Pulp

SULFONATION OF PULP PRODUCED BY ALKALI PULPING PROCESS

BLEACHING PROCESS OF CHEMICAL PULP

BLEACHING PROCESS OF CHEMICAL PULP

PROCESS FOR PRODUCING BLEACHED PULP

Near Neutral Chlorine Dioxide Bleaching of Pulp