Use of chelating agents

Industry

CPC
D21C9/1042

This industry / category may be too specific. Please go to a parent level for more data

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

D21C9/1042Use of chelating agents

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

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
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
Process for the preparation of a mixture of chelating agents, mixtu...
- Patent number 11,225,456
- Issue date Jan 18, 2022
- Kemira Oyj
- Reijo Aksela
- 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
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
Process for individualizing trichomes
- Patent number 10,344,428
- Issue date Jul 9, 2019
- The Procter & Gamble Company
- Khosrow Parviz Mohammadi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for delignifying and bleaching pulp
- Patent number 10,006,169
- Issue date Jun 26, 2018
- Evonik Degussa GmbH
- Thomas Dietz
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Processes and compositions for brightness improvement in paper prod...
- Patent number 9,932,709
- Issue date Apr 3, 2018
- Ecolab USA Inc.
- Prasad Y. Duggirala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Chemical treatment of lignocellulosic fiber bundle material, and me...
- Patent number 9,115,468
- Issue date Aug 25, 2015
- Andritz Inc.
- Eric Xu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for improving brightness in bleached pulp
- Patent number 9,068,293
- Issue date Jun 30, 2015
- Nalco Company
- Prasad Y. Duggirala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for bleaching pulp
- Patent number 8,906,199
- Issue date Dec 9, 2014
- Innospec Limited
- Matthew Robert Giles
- 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
Detergent composition
- Patent number 8,759,397
- Issue date Jun 24, 2014
- Innospec Limited
- Matthew Robert Giles
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of synthesis of tetradentate amide macrocycle ligand and its...
- Patent number 8,722,881
- Issue date May 13, 2014
- Board of Trustees of the University of Arkansas
- Anindya Ghosh
- C07 - ORGANIC CHEMISTRY
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
Solid detergent composition
- Patent number 8,377,478
- Issue date Feb 19, 2013
- Innospec Limited
- Matthew Robert Giles
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Combined process of peroxide bleaching of wood pulps and addition o...
- Patent number 8,298,373
- Issue date Oct 30, 2012
- University of New Brunswick
- Yonghao Ni
- 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 pulping of lignocellulosic materials
- Patent number 8,262,851
- Issue date Sep 11, 2012
- Andritz Inc.
- Johann Aichinger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods for enhancing brightness and resistance to thermal yellowin...
- Patent number 8,246,780
- Issue date Aug 21, 2012
- Nalco Company
- Prasad Duggirala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Bleaching process of chemical pulp
- Patent number 8,128,784
- Issue date Mar 6, 2012
- Oy Lannen Tutkimus—Western Research Inc.
- Aki Vilpponen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Composition and process for the treatment of fibre material
- Patent number 8,048,264
- Issue date Nov 1, 2011
- Kemira Oyj
- Aarto Parén
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the treatment of fibre material and new composition
- Patent number 7,988,821
- Issue date Aug 2, 2011
- Kemira Oyj
- Seung-Hoon Lee
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Bleaching of substrates
- Patent number 7,976,582
- Issue date Jul 12, 2011
- Conopco, Inc.
- Joaquim Manuel Henriques de Almeida
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Bleaching of substrates
- Patent number 7,972,386
- Issue date Jul 5, 2011
- Conopco, Inc.
- Joaquim Manuel Henriques de Almeida
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Bleaching of cellulosic fibre material with peroxide using polymers...
- Patent number 7,754,048
- Issue date Jul 13, 2010
- Kemira Oyj
- Aarto Paren
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods to enhance brightness of pulp and optimize use of bleaching...
- Patent number 7,351,764
- Issue date Apr 1, 2008
- Nalco Company
- Sergey M. Shevchenko
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for high temperature peroxide bleaching of pulp with cool d...
- Patent number 7,297,225
- Issue date Nov 20, 2007
- Georgia-Pacific Consumer Products LP
- Hazen Charles Thomas
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods to enhance pulp bleaching and delignification
- Patent number 7,229,525
- Issue date Jun 12, 2007
- Nalco Company
- Prasad Y. Duggirala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

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
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
METHOD FOR PREPARING DISSOLVING PULP BY TCF BLEACHING OF POPLAR KP
- Publication number 20210062420
- Publication date Mar 4, 2021
- QILU UNIVERSITY OF TECHNOLOGY
- Xingxiang JI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method For Preparing Dissolving Pulp By Totally Chlorine-Free Bleac...
- Publication number 20210062419
- Publication date Mar 4, 2021
- QILU UNIVERSITY OF TECHNOLOGY
- Zhongjian TIAN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Process for the Preparation of a Mixture of Chelating Agents, Mixtu...
- Publication number 20200223786
- Publication date Jul 16, 2020
- KEMIRA OYJ
- Reijo AKSELA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Process for the Preparation of a Mixture of Chelating Agents, Mixtu...
- Publication number 20200181063
- Publication date Jun 11, 2020
- KEMIRA OYJ
- Reijo AKSELA
- C07 - ORGANIC CHEMISTRY
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
OXIDATIVE METHOD
- Publication number 20180186634
- Publication date Jul 5, 2018
- Catexel Technologies Limited
- Ronald Hage
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHODS FOR BLEACHING AQUEOUS PULPS AND COMPOSITIONS FOR USE IN THE...
- Publication number 20180155871
- Publication date Jun 7, 2018
- IMERYS MINERALS LIMITED
- Mikko LIKITALO
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESSES AND COMPOSITIONS FOR BRIGHTNESS IMPROVEMENT IN PAPER PROD...
- Publication number 20140259458
- Publication date Sep 18, 2014
- Ecolab USA Inc.
- Prasad Y. Duggirala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Bleach Stabilizer Compositions And Methods
- Publication number 20140202646
- Publication date Jul 24, 2014
- Buckman Laboratories International, Inc.
- Donald G. Jenkins
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
CHEMICAL TREATMENT OF LIGNOCELLULOSIC FIBER BUNDLE MATERIAL, AND ME...
- Publication number 20140083633
- Publication date Mar 27, 2014
- ANDRITZ INC.
- Eric XU
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
FREENESS OF PAPER PRODUCTS
- Publication number 20140000824
- Publication date Jan 2, 2014
- CATEXEL LIMITED
- Ronald Hage
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR IMPROVING BRIGHTNESS IN BLEACHED PULP
- Publication number 20130206350
- Publication date Aug 15, 2013
- Prasad Y. Duggirala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
FREENESS OF PAPER PRODUCTS
- Publication number 20130126111
- Publication date May 23, 2013
- CATEXEL LIMITED
- Ronald Hage
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Silicate Free Refiner Bleaching
- Publication number 20130126109
- Publication date May 23, 2013
- Buckman Laboratories International, Inc.
- Shuyu Wang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
METHODS AND COMPOSITIONS FOR COMPLEX BINDING OF METAL IONS
- Publication number 20120318750
- Publication date Dec 20, 2012
- ChemseQ International AB
- Ida Helena Högberg
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
COMPOSITIONS AND PROCESSES FOR PAPER
- Publication number 20120211185
- Publication date Aug 23, 2012
- Prasad Duggirala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
GENTLE BLEACHING AGENT
- Publication number 20120077726
- Publication date Mar 29, 2012
- Henkel AG & Co. KGaA
- Anette Nordskog
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for the bleaching of mechanical paper pulp
- Publication number 20120061043
- Publication date Mar 15, 2012
- SOLVAY S.A.
- Pierre Dournel
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR REDUCING SPECIFIC ENERGY DEMAND DURING REFINING OF THER...
- Publication number 20110303372
- Publication date Dec 15, 2011
- The University of British Columbia
- Rodger R. BEATSON
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method of synthesis of tetradentate amide macrocycle ligand and its...
- Publication number 20110094043
- Publication date Apr 28, 2011
- Anindya Ghosh
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for the bleaching of paper pulp
- Publication number 20110067831
- Publication date Mar 24, 2011
- Solvay (Societe Anonyme)
- Pierre Dournel
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR BLEACHING PULP
- Publication number 20100236734
- Publication date Sep 23, 2010
- INNOSPEC LIMITED
- Matthew Robert Giles
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS OF BLEACHING A WOOD PULP
- Publication number 20100224336
- Publication date Sep 9, 2010
- UNIVERSITY OF MAINE SYSTEM BOARD OF TRUSTEES
- Dwane Scott Hutto
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD AND CHEMICAL COMPOSITION TO IMPROVE EFFICIENCY OF MECHANICAL...
- Publication number 20100224333
- Publication date Sep 9, 2010
- Prasad Duggirala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SOLID DETERGENT COMPOSITION
- Publication number 20100191012
- Publication date Jul 29, 2010
- INNOSPEC LIMITED
- Matthew Robert Giles
- C07 - ORGANIC CHEMISTRY
Information Patent Application
DETERGENT COMPOSITION
- Publication number 20100183533
- Publication date Jul 22, 2010
- INNOSPEC LIMITED
- Matthew Robert Giles
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for the bleaching of mechanical paper pulp
- Publication number 20100163193
- Publication date Jul 1, 2010
- Solvay (Societe Anonyme)
- Rodney Seccombe
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Use of chelating agents

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for preparing dissolving pulp by TCF bleaching of poplar KP

Method for bleaching paper pulp

Process for the preparation of a mixture of chelating agents, mixtu...

Methods of pulp fiber treatment

Oxidative method

Oxidative method

Process for individualizing trichomes

Method for delignifying and bleaching pulp

Processes and compositions for brightness improvement in paper prod...

Chemical treatment of lignocellulosic fiber bundle material, and me...

Method for improving brightness in bleached pulp

Process for bleaching pulp

Process for producing bleached pulp

Detergent composition

Method of synthesis of tetradentate amide macrocycle ligand and its...

Bleaching process of chemical pulp

Solid detergent composition

Combined process of peroxide bleaching of wood pulps and addition o...

Process for producing bleached pulp

Processes and systems for the pulping of lignocellulosic materials

Methods for enhancing brightness and resistance to thermal yellowin...

Bleaching process of chemical pulp

Composition and process for the treatment of fibre material

Process for the treatment of fibre material and new composition

Bleaching of substrates

Bleaching of substrates

Bleaching of cellulosic fibre material with peroxide using polymers...

Methods to enhance brightness of pulp and optimize use of bleaching...

Process for high temperature peroxide bleaching of pulp with cool d...

Methods to enhance pulp bleaching and delignification

Patents Applicationslast 30 patents

METHOD FOR BLEACHING PULP FROM RECYCLED TEXTILE MATERIAL

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

METHOD FOR PREPARING DISSOLVING PULP BY TCF BLEACHING OF POPLAR KP

Method For Preparing Dissolving Pulp By Totally Chlorine-Free Bleac...

Process for the Preparation of a Mixture of Chelating Agents, Mixtu...

Process for the Preparation of a Mixture of Chelating Agents, Mixtu...

METHOD FOR BLEACHING PAPER PULP

OXIDATIVE METHOD

METHODS FOR BLEACHING AQUEOUS PULPS AND COMPOSITIONS FOR USE IN THE...

PROCESSES AND COMPOSITIONS FOR BRIGHTNESS IMPROVEMENT IN PAPER PROD...

Bleach Stabilizer Compositions And Methods

CHEMICAL TREATMENT OF LIGNOCELLULOSIC FIBER BUNDLE MATERIAL, AND ME...

FREENESS OF PAPER PRODUCTS

METHOD FOR IMPROVING BRIGHTNESS IN BLEACHED PULP

FREENESS OF PAPER PRODUCTS

Silicate Free Refiner Bleaching

PROCESS FOR PRODUCING BLEACHED PULP

METHODS AND COMPOSITIONS FOR COMPLEX BINDING OF METAL IONS

COMPOSITIONS AND PROCESSES FOR PAPER

GENTLE BLEACHING AGENT

Process for the bleaching of mechanical paper pulp

PROCESS FOR REDUCING SPECIFIC ENERGY DEMAND DURING REFINING OF THER...

Method of synthesis of tetradentate amide macrocycle ligand and its...

Process for the bleaching of paper pulp

PROCESS FOR BLEACHING PULP

PROCESS OF BLEACHING A WOOD PULP

METHOD AND CHEMICAL COMPOSITION TO IMPROVE EFFICIENCY OF MECHANICAL...

SOLID DETERGENT COMPOSITION

DETERGENT COMPOSITION

Process for the bleaching of mechanical paper pulp