Controlling the process

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CPC
D21C9/1052

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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

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D21C9/1052Controlling the process

Industries

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Patents Grantslast 30 patents

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
Method for reducing pulp viscosity in production of dissolving pulp
- Patent number 10,513,824
- Issue date Dec 24, 2019
- Kemira Oyj
- Leif Robertson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Measurement apparatus and method
- Patent number 10,400,392
- Issue date Sep 3, 2019
- VALMET AUTOMATION OY
- Arvo Rahikkala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for determining the total peroxide content of pulp suspension
- Patent number 8,262,855
- Issue date Sep 11, 2012
- Metso Automation Oy
- Teuvo Peltomāki
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for determining chemical pulp kappa number with visible-near...
- Patent number 7,604,712
- Issue date Oct 20, 2009
- FPInnovations
- Thanh P. Trung
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
System and method for controlling a processor including a digester...
- Patent number 7,204,914
- Issue date Apr 17, 2007
- Metso Automation USA Inc.
- Kari Juhani Lampela
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for adjusting chemical dosage of pulp processi...
- Patent number 6,833,054
- Issue date Dec 21, 2004
- Metso Automation Oy
- Juri Lahtinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Determination of the property of a solution or solid using raman ra...
- Patent number 6,774,992
- Issue date Aug 10, 2004
- Alberta Research Council Inc.
- Theodore M. Garver
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and measurement device for measuring suspension
- Patent number 6,703,618
- Issue date Mar 9, 2004
- Metso Automation Oy
- Pasi Kärki
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for measuring the content of bleaching chemicals used for bl...
- Patent number 6,332,951
- Issue date Dec 25, 2001
- BTG Källe Inventing AB
- Gerdt Fladda
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and device for measuring bleach requirement, bleachability,...
- Patent number 6,273,994
- Issue date Aug 14, 2001
- Iogen Corporation
- Brian Creber
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for controlling oxygen delignification of pulp
- Patent number 6,238,517
- Issue date May 29, 2001
- Valmet Fibertech Aktiebolag
- Monica Bokström
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Oxygen delignification of medium consistency pulp slurry using two...
- Patent number 6,162,324
- Issue date Dec 19, 2000
- Beloit Technologies, Inc.
- William J. Miller
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and system for controlling the addition of bleaching reagent...
- Patent number 6,153,050
- Issue date Nov 28, 2000
- Noranda Forest Inc.
- Martin Savoie
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and an arrangement for measuring the amount/activity of cata...
- Patent number 6,124,111
- Issue date Sep 26, 2000
- BTG Kalle Inventing AB, A Corp.
- Gerdt Fladda
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for producing continuous in-like kappa measurements for pape...
- Patent number 6,069,688
- Issue date May 30, 2000
- Honeywell International Inc.
- Ord D. Millar
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for monitoring and controlling characteristics...
- Patent number 6,023,065
- Issue date Feb 8, 2000
- Alberta Research Council
- Theodore M. Garver
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Control scheme for rapid pulp delignification and bleaching
- Patent number 5,736,004
- Issue date Apr 7, 1998
- Union Camp Patent Holding, Inc.
- George Pangalos
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Control scheme for rapid pulp delignification and bleaching
- Patent number 5,672,247
- Issue date Sep 30, 1997
- Union Camp Patent Holding, Inc.
- George Pangalos
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
System and method for controlling papermaking stock consistency
- Patent number 5,611,891
- Issue date Mar 18, 1997
- Westvaco Corporation
- Raymond E. Hundley
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus and method for measuring vent gas flow rates and paramete...
- Patent number 4,946,555
- Issue date Aug 7, 1990
- Canadian Liquid Air Ltd./Air Liquide Canada
- Robert G. H. Lee
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for controlling an oxygen bleaching
- Patent number 4,840,703
- Issue date Jun 20, 1989
- Rauma-Repola Oy
- Erkki Malmsten
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Multistage pulp bleaching control process
- Patent number 4,735,684
- Issue date Apr 5, 1988
- George W. Seymour
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for control of chemicals during gas treatment of suspensions
- Patent number 4,419,184
- Issue date Dec 6, 1983
- Kamyr AB
- Ake Backlund
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for controlling the supply of delignifying and/or bleaching...
- Patent number 4,348,256
- Issue date Sep 7, 1982
- Mo och Domsjo Aktiebolag
- John R. Bergstrom
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Low effluent pulp mill, bleach plant operation
- Patent number 4,188,260
- Issue date Feb 12, 1980
- Erco Envirotech Ltd.
- Gordon Rowlandson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Bleach plant operation
- Patent number 4,104,114
- Issue date Aug 1, 1978
- Erco Envirotech Ltd.
- Gordon Rowlandson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for detecting and controlling the caustic in p...
- Patent number 4,065,348
- Issue date Dec 27, 1977
- Westvaco Corporation
- William E. Zimmerman
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for automatically and simultaneously controlli...
- Patent number 4,013,506
- Issue date Mar 22, 1977
- Canadian International Paper Company
- John A. Histed
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Continuous on-machine control of bleaching chemicals
- Patent number 3,980,517
- Issue date Sep 14, 1976
- Sentrol Systems Ltd.
- John W. MacTaggart
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
UPCYCLED CELLULOSIC FIBERS
- Publication number 20240044080
- Publication date Feb 8, 2024
- GRASIM INDUSTRIES LIMITED
- Sharad Pandharinath Pawar
- 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
PREPARATION OF CELLULOSE FIBERS
- Publication number 20220081833
- Publication date Mar 17, 2022
- JENA TRADING APS
- Per VINTHER
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method for reducing pulp viscosity in production of dissolving pulp
- Publication number 20180163344
- Publication date Jun 14, 2018
- KEMIRA OYJ
- Leif Robertsen
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD OF MAKING BLEACHED MICROCRYSTALLINE CELLULOSE
- Publication number 20180119346
- Publication date May 3, 2018
- FMC Corporation
- Zheng Tan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MEASUREMENT APPARATUS AND METHOD
- Publication number 20170096774
- Publication date Apr 6, 2017
- VALMET AUTOMATION OY
- Arvo RAHIKKALA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method and Apparatus for Determining the Total Peroxide Content of...
- Publication number 20090025893
- Publication date Jan 29, 2009
- Metso Automation Oy
- Teuvo Peltomaki
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method and apparatus for estimating an optimal dosage of bleaching...
- Publication number 20070158040
- Publication date Jul 12, 2007
- Mokhtar Benaoudia
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method for determining chemical pulp Kappa number with visible-near...
- Publication number 20060196622
- Publication date Sep 7, 2006
- Thanh P. Trung
- G01 - MEASURING TESTING
Information Patent Application
System and method for controlling a processor including a digester...
- Publication number 20050034824
- Publication date Feb 17, 2005
- Metso Automation USA Inc.
- Kari Juhani Lampela
- G05 - CONTROLLING REGULATING
Information Patent Application
Method in a paper or pulp process to control the chemical state of...
- Publication number 20040238140
- Publication date Dec 2, 2004
- Sakari Laitinen-Vellonen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method for the measurement of dithionite concentration
- Publication number 20040040867
- Publication date Mar 4, 2004
- BTG KALLE INVENTING AB
- Helena Bergsland
- G01 - MEASURING TESTING
Information Patent Application
Method in the bleaching of pulp and a device for the bleaching of pulp
- Publication number 20030102094
- Publication date Jun 5, 2003
- UPM- Kymmene Corporation
- Tapio Tirri
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method and apparatus for adjusting chemical dosage of pulp processi...
- Publication number 20030070778
- Publication date Apr 17, 2003
- Metso Paper Automation Oy
- Juri Lahtinen
- G01 - MEASURING TESTING
Information Patent Application
Method and measurement device for measuring suspension
- Publication number 20030030005
- Publication date Feb 13, 2003
- Pasi Karki
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Electrochemical method for determinating lignin content of pulp
- Publication number 20020144795
- Publication date Oct 10, 2002
- Robert Ernest Bourbonnais
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method for the carrying out of a flotation, bleach and/or dispersio...
- Publication number 20020056531
- Publication date May 16, 2002
- Volker Gehr
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Controlling the process

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method of making bleached microcrystalline cellulose

Method for reducing pulp viscosity in production of dissolving pulp

Measurement apparatus and method

Method for determining the total peroxide content of pulp suspension

Method for determining chemical pulp kappa number with visible-near...

System and method for controlling a processor including a digester...

Method and apparatus for adjusting chemical dosage of pulp processi...

Determination of the property of a solution or solid using raman ra...

Method and measurement device for measuring suspension

Method for measuring the content of bleaching chemicals used for bl...

Method and device for measuring bleach requirement, bleachability,...

Method for controlling oxygen delignification of pulp

Oxygen delignification of medium consistency pulp slurry using two...

Method and system for controlling the addition of bleaching reagent...

Method and an arrangement for measuring the amount/activity of cata...

Method for producing continuous in-like kappa measurements for pape...

Method and apparatus for monitoring and controlling characteristics...

Control scheme for rapid pulp delignification and bleaching

Control scheme for rapid pulp delignification and bleaching

System and method for controlling papermaking stock consistency

Apparatus and method for measuring vent gas flow rates and paramete...

Method for controlling an oxygen bleaching

Multistage pulp bleaching control process

Method for control of chemicals during gas treatment of suspensions

Process for controlling the supply of delignifying and/or bleaching...

Low effluent pulp mill, bleach plant operation

Bleach plant operation

Method and apparatus for detecting and controlling the caustic in p...

Method and apparatus for automatically and simultaneously controlli...

Continuous on-machine control of bleaching chemicals

Patents Applicationslast 30 patents

UPCYCLED CELLULOSIC FIBERS

PROCESS TO OPTIMIZE BROWN STOCK WASHING UNIT OPERATIONS

PREPARATION OF CELLULOSE FIBERS

Method for reducing pulp viscosity in production of dissolving pulp

METHOD OF MAKING BLEACHED MICROCRYSTALLINE CELLULOSE

MEASUREMENT APPARATUS AND METHOD

Method and Apparatus for Determining the Total Peroxide Content of...

Method and apparatus for estimating an optimal dosage of bleaching...

Method for determining chemical pulp Kappa number with visible-near...

System and method for controlling a processor including a digester...

Method in a paper or pulp process to control the chemical state of...

Method for the measurement of dithionite concentration

Method in the bleaching of pulp and a device for the bleaching of pulp

Method and apparatus for adjusting chemical dosage of pulp processi...

Method and measurement device for measuring suspension

Electrochemical method for determinating lignin content of pulp

Method for the carrying out of a flotation, bleach and/or dispersio...