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CPC
D21C5/027

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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 D21C5/00Other processes for obtaining cellulose

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D21C5/027Chemicals therefor

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method for treating aqueous feed by dissolved gas flotation
- Patent number 11,629,459
- Issue date Apr 18, 2023
- Kemira Oyj
- Matti Hietaniemi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Processing apparatus, sheet manufacturing apparatus, processing met...
- Patent number 11,408,124
- Issue date Aug 9, 2022
- Seiko Epson Corporation
- Satomi Yoshioka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Processing device, sheet manufacturing device, processing method, a...
- Patent number 10,876,255
- Issue date Dec 29, 2020
- Seiko Epson Corporation
- Masanao Kunugi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for dewatering of sludge from a pulp, paper or board making...
- Patent number 10,858,782
- Issue date Dec 8, 2020
- Kemira Oyj
- Matti Hietaniemi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Processing device, sheet manufacturing apparatus, processing method...
- Patent number 10,781,554
- Issue date Sep 22, 2020
- Seiko Epson Corporation
- Shunichi Seki
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method for deinking recycled paper
- Patent number 10,550,515
- Issue date Feb 4, 2020
- Coatex
- Francois Dupont
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the deinking of coated paper or paperboard
- Patent number 10,544,544
- Issue date Jan 28, 2020
- Omya International AG
- Patrick A. C. Gane
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for producing paper, and pitch removal agent
- Patent number 10,370,794
- Issue date Aug 6, 2019
- Kurita Water Industries Ltd.
- Chigusa Taguchi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods for deinking wastepaper by combined use of cutinase and che...
- Patent number 9,963,824
- Issue date May 8, 2018
- Jiangnan University
- Jing Wu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for removing ink from paper
- Patent number 9,587,350
- Issue date Mar 7, 2017
- Kemira Oyj
- Robert Daniel Haynes
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Polyester surfactants for deinking
- Patent number 9,404,216
- Issue date Aug 2, 2016
- Kemira Chemicals, Inc.
- Terrence Cotter
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Flocculation treatment agent
- Patent number 9,233,861
- Issue date Jan 12, 2016
- Hymo Corporation
- Shohei Mitsui
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of producing recycled paper pulp from waste printed paper as...
- Patent number 8,657,995
- Issue date Feb 25, 2014
- Tech Corporation Co., Ltd.
- Yoshinori Nakamoto
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Deinking process
- Patent number 8,617,353
- Issue date Dec 31, 2013
- Kemira Oyj
- Jean-Francois D'Allest
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Polyester surfactants for deinking
- Patent number 8,524,036
- Issue date Sep 3, 2013
- Kemira Chemicals, Inc.
- Terrence Cotter
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Polyester surfactants for deinking
- Patent number 8,317,973
- Issue date Nov 27, 2012
- Kemira Chemical, Inc.
- Terrence Cotter
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Modified inorganic particles for deinking
- Patent number 8,287,690
- Issue date Oct 16, 2012
- Kemira Chemicals, Inc.
- Scott Rosencrance
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Deinking a cellulosic substrate using magnesium silicate
- Patent number 8,133,350
- Issue date Mar 13, 2012
- Nalco Company
- Prasad Y Duggirala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for deinking pulp using premixed hydrophobically modified ca...
- Patent number 7,897,010
- Issue date Mar 1, 2011
- Kemira Chemicals, Inc.
- Scott Rosencrance
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for deinking pulp using premixed hydrophobically modified ca...
- Patent number 7,862,685
- Issue date Jan 4, 2011
- Kemira Chemicals, Inc.
- Scott Rosencrance
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Deinking blends for use in reduced alkali systems
- Patent number 7,767,057
- Issue date Aug 3, 2010
- Kemira Chemicals, Inc.
- Scott William Rosencrance
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for biological deinking of office waste paper
- Patent number 7,645,358
- Issue date Jan 12, 2010
- Council of Scientific and Industrial Research
- Chandralatha Raghukumar
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Method of deinking waste paper using cellulase without lowering pap...
- Patent number 7,297,224
- Issue date Nov 20, 2007
- Meiji Seika Kaisha, Ltd.
- Hirofumi Nakamura
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Purified plant expansin proteins and DNA encoding same
- Patent number 7,226,756
- Issue date Jun 5, 2007
- The Penn State Research Foundation
- Daniel J. Cosgrove
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Method of deinking waste paper using a reduced alkali system
- Patent number 7,169,257
- Issue date Jan 30, 2007
- Kemira Chemicals, Inc.
- Scott William Rosencrance
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Endoglucanase enzyme NCE5 and cellulase preparations containing the...
- Patent number 7,138,263
- Issue date Nov 21, 2006
- Meiji Seika Kabushiki Kaisha
- Koichiro Murashima
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Cellulase preparations containing reducing agent and method of proc...
- Patent number 7,138,261
- Issue date Nov 21, 2006
- Meiji Seika Kaisha, Ltd.
- Akitaka Nakane
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Cellulase preparation containing nonionic surfactant and method of...
- Patent number 7,109,013
- Issue date Sep 19, 2006
- Meiji Seika Kaisha, Ltd.
- Jinichiro Koga
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Deinking method and composition for wastepaper
- Patent number 6,784,146
- Issue date Aug 31, 2004
- Kemira Chemicals, Inc.
- Jing Luo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for deinking paper using a triglyceride
- Patent number 6,666,950
- Issue date Dec 23, 2003
- BASF AG
- Chin Li
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
RECYCLABLE AND REUSABLE POLLEN PAPER
- Publication number 20240158988
- Publication date May 16, 2024
- Nanyang Technological University
- Nam-Joon CHO
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR TREATING AQUEOUS FEED BY DISSOLVED GAS FLOTATION
- Publication number 20200399828
- Publication date Dec 24, 2020
- KEMIRA OYJ
- Matti Hietaniemi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR DEWATERING OF SLUDGE FROM A PULP, PAPER OR BOARD MAKING...
- Publication number 20200063340
- Publication date Feb 27, 2020
- KEMIRA OYJ
- Matti Hietaniemi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
PROCESSING APPARATUS, SHEET MANUFACTURING APPARATUS, PROCESSING MET...
- Publication number 20190203415
- Publication date Jul 4, 2019
- SEIKO EPSON CORPORATION
- Satomi YOSHIOKA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESSING DEVICE, SHEET MANUFACTURING APPARATUS, PROCESSING METHOD...
- Publication number 20180305869
- Publication date Oct 25, 2018
- SEIKO EPSON CORPORATION
- Shunichi SEKI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESSING DEVICE, SHEET MANUFACTURING DEVICE, PROCESSING METHOD, A...
- Publication number 20180305870
- Publication date Oct 25, 2018
- SEIKO EPSON CORPORATION
- Masanao KUNUGI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR THE DEINKING OF COATED PAPER OR PAPERBOARD
- Publication number 20180258586
- Publication date Sep 13, 2018
- Omya International AG
- Patrick A.C. Gane
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
APPARATUS AND METHOD FOR THE TREATMENT OF A SUBSTRATE WITH OZONE BU...
- Publication number 20180134994
- Publication date May 17, 2018
- Xeros Limited
- John Edward STEELE
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
METHOD FOR DEINKING RECYCLED PAPER
- Publication number 20180105983
- Publication date Apr 19, 2018
- COATEX
- Francois DUPONT
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Methods for deinking wastepaper by combined use of cutinase and che...
- Publication number 20170137995
- Publication date May 18, 2017
- JIANGNAN UNIVERSITY
- Jing Wu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR PRODUCING PAPER, AND PITCH REMOVAL AGENT
- Publication number 20170073891
- Publication date Mar 16, 2017
- KURITA WATER INDUSTRIES LTD.
- Chigusa TAGUCHI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Papermaking Additive Compositions and Methods and Uses Thereof
- Publication number 20160362834
- Publication date Dec 15, 2016
- Neozyme International, Inc.
- Parker Dale
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
EMULSIFYING AGENT FOR USE IN PERSONAL CARE PRODUCTS AND INDUSTRIAL...
- Publication number 20150190318
- Publication date Jul 9, 2015
- SOLAE, LLC
- Yeun S. Gu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
POLYESTER SURFACTANTS FOR DEINKING
- Publication number 20130312922
- Publication date Nov 28, 2013
- Kemira Chemicals, Inc.
- Terrence Cotter
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
DEINKING COMPOSITIONS AND METHODS OF USE
- Publication number 20130284386
- Publication date Oct 31, 2013
- DOW GLOBAL TECHNOLOGIES LLC
- Winkle Zhi Hui Wang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POLYESTER SURFACTANTS FOR DEINKING
- Publication number 20130037229
- Publication date Feb 14, 2013
- Kemira Chemicals, Inc.
- Terrence Cotter
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR REMOVING INK FROM PAPER
- Publication number 20120305206
- Publication date Dec 6, 2012
- Akzo Nobel Chemicals International B.V.
- Robert Daniel Haynes
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
DEINKING A CELLULOSIC SUBSTRATE USING MAGNESIUM SILICATE
- Publication number 20120135906
- Publication date May 31, 2012
- Prasad Y. Duggirala
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DEINKING PROCESS
- Publication number 20120103543
- Publication date May 3, 2012
- Jean-Francois D'Allest
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
RECYCLING OF FIBRE PRODUCTS
- Publication number 20110192558
- Publication date Aug 11, 2011
- STEPHENSON GROUP LIMITED
- Roy Kenneth Taylor
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Use of Modified Inorganic Particles With Deinking
- Publication number 20110155334
- Publication date Jun 30, 2011
- KEMIRA CHEMICAL, INC.
- Scott Rosencrance
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
POLYESTER SURFACTANTS FOR DEINKING
- Publication number 20110108221
- Publication date May 12, 2011
- Kemira Chemicals, Inc.
- Terrence Cotter
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
METHOD OF PRODUCING RECYCLED PAPER PULP FROM WASTE PRINTED PAPER AS...
- Publication number 20110030907
- Publication date Feb 10, 2011
- TECH CORPORATION CO., LTD.
- Yoshinori Nakamoto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DEINKING A CELLULOSIC SUBSTRATE USING MAGNESIUM SILICATE
- Publication number 20100006242
- Publication date Jan 14, 2010
- Prasad Y. Duggirala
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DEINKING A CELLULOSIC SUBSTRATE USING AN INORGANIC MINERAL
- Publication number 20100006244
- Publication date Jan 14, 2010
- Prasad Y. Duggirala
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Use of Modified Inorganic Particles in Deinking
- Publication number 20090165967
- Publication date Jul 2, 2009
- Scott Rosencrance
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Biological De-Inking Method
- Publication number 20080236769
- Publication date Oct 2, 2008
- Korea Research Institute of Chemical Technology
- Steven Say-Kyoun OW
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Composition Containing Amphoteric Water-Soluble Polymer
- Publication number 20080230193
- Publication date Sep 25, 2008
- TOAGOSEI CO., LTD.
- Yoshio Mori
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Use of GR2 proteins to modify cellulosic materials and to enhance e...
- Publication number 20070166805
- Publication date Jul 19, 2007
- Daniel J. Cosgrove
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Use of modified inorganic particles in deinking
- Publication number 20070158039
- Publication date Jul 12, 2007
- Kemira Chemicals, Inc.
- Scott Rosencrance
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Chemicals therefor

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for treating aqueous feed by dissolved gas flotation

Processing apparatus, sheet manufacturing apparatus, processing met...

Processing device, sheet manufacturing device, processing method, a...

Method for dewatering of sludge from a pulp, paper or board making...

Processing device, sheet manufacturing apparatus, processing method...

Method for deinking recycled paper

Process for the deinking of coated paper or paperboard

Method for producing paper, and pitch removal agent

Methods for deinking wastepaper by combined use of cutinase and che...

Method for removing ink from paper

Polyester surfactants for deinking

Flocculation treatment agent

Method of producing recycled paper pulp from waste printed paper as...

Deinking process

Polyester surfactants for deinking

Polyester surfactants for deinking

Modified inorganic particles for deinking

Deinking a cellulosic substrate using magnesium silicate

Method for deinking pulp using premixed hydrophobically modified ca...

Method for deinking pulp using premixed hydrophobically modified ca...

Deinking blends for use in reduced alkali systems

Process for biological deinking of office waste paper

Method of deinking waste paper using cellulase without lowering pap...

Purified plant expansin proteins and DNA encoding same

Method of deinking waste paper using a reduced alkali system

Endoglucanase enzyme NCE5 and cellulase preparations containing the...

Cellulase preparations containing reducing agent and method of proc...

Cellulase preparation containing nonionic surfactant and method of...

Deinking method and composition for wastepaper

Process for deinking paper using a triglyceride

Patents Applicationslast 30 patents

RECYCLABLE AND REUSABLE POLLEN PAPER

METHOD FOR TREATING AQUEOUS FEED BY DISSOLVED GAS FLOTATION

METHOD FOR DEWATERING OF SLUDGE FROM A PULP, PAPER OR BOARD MAKING...

PROCESSING APPARATUS, SHEET MANUFACTURING APPARATUS, PROCESSING MET...

PROCESSING DEVICE, SHEET MANUFACTURING APPARATUS, PROCESSING METHOD...

PROCESSING DEVICE, SHEET MANUFACTURING DEVICE, PROCESSING METHOD, A...

PROCESS FOR THE DEINKING OF COATED PAPER OR PAPERBOARD

APPARATUS AND METHOD FOR THE TREATMENT OF A SUBSTRATE WITH OZONE BU...

METHOD FOR DEINKING RECYCLED PAPER

Methods for deinking wastepaper by combined use of cutinase and che...

METHOD FOR PRODUCING PAPER, AND PITCH REMOVAL AGENT

Papermaking Additive Compositions and Methods and Uses Thereof

EMULSIFYING AGENT FOR USE IN PERSONAL CARE PRODUCTS AND INDUSTRIAL...

POLYESTER SURFACTANTS FOR DEINKING

DEINKING COMPOSITIONS AND METHODS OF USE

POLYESTER SURFACTANTS FOR DEINKING

METHOD FOR REMOVING INK FROM PAPER

DEINKING A CELLULOSIC SUBSTRATE USING MAGNESIUM SILICATE

DEINKING PROCESS

RECYCLING OF FIBRE PRODUCTS

Use of Modified Inorganic Particles With Deinking

POLYESTER SURFACTANTS FOR DEINKING

METHOD OF PRODUCING RECYCLED PAPER PULP FROM WASTE PRINTED PAPER AS...

DEINKING A CELLULOSIC SUBSTRATE USING MAGNESIUM SILICATE

DEINKING A CELLULOSIC SUBSTRATE USING AN INORGANIC MINERAL

Use of Modified Inorganic Particles in Deinking

Biological De-Inking Method

Composition Containing Amphoteric Water-Soluble Polymer

Use of GR2 proteins to modify cellulosic materials and to enhance e...

Use of modified inorganic particles in deinking