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Use of compounds avoiding scale formation
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D21C3/226
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Parent Industries
D
TEXTILES PAPER
D21
Papermaking
D21C
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS APPARATUS THEREFOR
D21C3/00
Pulping cellulose-containing materials
Current Industry
D21C3/226
Use of compounds avoiding scale formation
Industries
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Impact
Patents Grants
last 30 patents
Information
Patent Grant
Black liquor viscosity reducing and anti-scale agent
Patent number
11,905,655
Issue date
Feb 20, 2024
Ecolab USA Inc.
Luiz Wanderley Bratfisch Pace
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for preventing scale formation
Patent number
10,392,746
Issue date
Aug 27, 2019
Kemira Oyj
Clayton Campbell
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Compositions and processes to increase pulp yield, reduce extractiv...
Patent number
8,920,602
Issue date
Dec 30, 2014
Michael M. Blackstone
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Liquid composition sensor in scaling environment
Patent number
8,834,675
Issue date
Sep 16, 2014
Honeywell ASCA Inc.
Sebastien Tixier
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Composition for inhibiting calcium salt scale formation
Patent number
8,758,556
Issue date
Jun 24, 2014
Dequest AG
Sheldon Phillip Verrett
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Liquid composition sensor in scaling environment
Patent number
8,728,279
Issue date
May 20, 2014
Honeywell ASCA Inc.
Sebastien Tixier
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of monitoring and inhibiting scale deposition in pulp mill e...
Patent number
8,303,768
Issue date
Nov 6, 2012
Nalco Company
Sergey M. Shevchenko
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of monitoring and inhibiting scale deposition in pulp mill e...
Patent number
7,985,318
Issue date
Jul 26, 2011
Nalco Company
Sergey M. Shevchenko
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Apparatus for decreasing scaling in digester systems
Patent number
7,918,967
Issue date
Apr 5, 2011
International Paper Company
Jianer Jiang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Compositions and processes to increase pulp yield, reduce extractiv...
Patent number
7,807,021
Issue date
Oct 5, 2010
Michael M. Blackstone
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for inhibiting calcium salt scale
Patent number
7,300,542
Issue date
Nov 27, 2007
Thermophos Trading GmbH
Jacob Owen Thompson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods to decrease scaling in digester systems
Patent number
7,241,363
Issue date
Jul 10, 2007
International Paper Company
Jianer Jiang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for inhibiting calcium salt scale
Patent number
7,172,677
Issue date
Feb 6, 2007
Solutia Inc.
Jacob Owen Thompson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Batch process for producing chemical pulp by removing and reintrodu...
Patent number
6,939,439
Issue date
Sep 6, 2005
Metso Chemical Pulping Oy
Asko Paakki
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Composition for inhibiting calcium salt scale
Patent number
6,869,503
Issue date
Mar 22, 2005
Solutia, Inc.
Jacob Owen Thompson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for treating an aqueous liquid containing forming calcium s...
Patent number
6,235,152
Issue date
May 22, 2001
Nalco Chemical Company
Prasad Yogendra Duggirala
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for the inhibition of scale in harsh systems and novel anti...
Patent number
6,232,419
Issue date
May 15, 2001
Nalco Chemical Company
Prasad Yogendra Duggirala
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Inhibition of corrosion in aqueous systems
Patent number
6,187,262
Issue date
Feb 13, 2001
BetzDearborn Inc.
Longchun Cheng
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Kraft process for the production of wood pulp by adding a copolymer...
Patent number
6,146,495
Issue date
Nov 14, 2000
Nalco Chemical Company
Prasad Yogendra Duggirala
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and apparatus for removing scales deposited on the strainer...
Patent number
5,565,061
Issue date
Oct 15, 1996
Reijo Salminen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for the prevention of scale formation in wood pulp production
Patent number
5,441,602
Issue date
Aug 15, 1995
FMC Corporation
Arthur Harris
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Scale deposit inhibitor for kraft digesters and method for controll...
Patent number
5,409,571
Issue date
Apr 25, 1995
Hakuto Co., Ltd.
Akira Togo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Controlling scale in black liquor evaporators
Patent number
5,407,583
Issue date
Apr 18, 1995
Calgon Corporation
Jasbir S. Gill
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of inhibiting calcium oxalate scale deposition
Patent number
5,320,757
Issue date
Jun 14, 1994
Betz Laboratories, Inc.
Davor F. Zidovec
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Composition for controlling scale in black liquor evaporators
Patent number
5,254,286
Issue date
Oct 19, 1993
Calgon Corporation
Jasbir S. Gill
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for the inhibition of the formation of deposits in cellulos...
Patent number
4,466,861
Issue date
Aug 21, 1984
Mo och Domsjo Aktiebolag
Bengt G. Hultman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Desilication in alkaline pulp processes
Patent number
4,331,507
Issue date
May 25, 1982
Dorr-Oliver Incorporated
Elliot J. Roberts
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for the inhibition of the formation of deposits in cellulos...
Patent number
4,218,284
Issue date
Aug 19, 1980
Mo och Domsjo Aktiebolag
Bengt G. Hultman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
3448003
Patent number
3,448,003
Issue date
Jun 3, 1969
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
2008839
Patent number
2,008,839
Issue date
Jul 23, 1935
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
BLACK LIQUOR VISCOSITY REDUCING AND ANTI-SCALE AGENT
Publication number
20240150961
Publication date
May 9, 2024
ECOLAB USA INC.
Luiz Wanderley Bratfisch Pace
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
BLACK LIQUOR VISCOSITY REDUCING AND ANTI-SCALE AGENT
Publication number
20210062421
Publication date
Mar 4, 2021
ECOLAB USA INC.
Luiz Wanderley Bratfisch Pace
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method for preventing scale formation
Publication number
20170198435
Publication date
Jul 13, 2017
KEMIRA OYJ
Clayton Campbell
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Liquid Composition Sensor in Scaling Environment
Publication number
20120304748
Publication date
Dec 6, 2012
Honeywell ASCA Inc.
Sebastien Tixier
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
COMPOSITION FOR INHIBITING CALCIUM SALT SCALE FORMATION
Publication number
20120160438
Publication date
Jun 28, 2012
Sheldon Phillip Verrett
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD OF MONITORING AND INHIBITING SCALE DEPOSITION IN PULP MILL E...
Publication number
20110277948
Publication date
Nov 17, 2011
Sergey M. Shevchenko
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Compositions and Processes to Increase Pulp Yield, Reduce Extractiv...
Publication number
20110240237
Publication date
Oct 6, 2011
Michael M. Blackstone
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Liquid Composition Sensor in Scaling Environment
Publication number
20110042020
Publication date
Feb 24, 2011
Honeywell ASCA, Inc.
Sebastien Tixier
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD OF MONITORING AND INHIBITING SCALE DEPOSITION IN PULP MILL E...
Publication number
20080277083
Publication date
Nov 13, 2008
Sergey M. Shevchenko
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Compositions and processes to increase pulp yield, reduce extractiv...
Publication number
20070295463
Publication date
Dec 27, 2007
Michael M. Blackstone
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Apparatus for decreasing scaling in digester systems
Publication number
20070227681
Publication date
Oct 4, 2007
Jianer Jiang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Methods to decrease scaling in digester systems
Publication number
20050284592
Publication date
Dec 29, 2005
International Paper Company
Jianer Jiang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method for inhibiting calcium salt scale
Publication number
20050126727
Publication date
Jun 16, 2005
Jacob Owen Thompson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method for inhibiting calcium salt scale
Publication number
20040256070
Publication date
Dec 23, 2004
Jacob Owen Thompson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method for reducing and /or avoiding the build-up of wood components
Publication number
20040011482
Publication date
Jan 22, 2004
Ingo Von Medvey
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method for inhibiting calcium salt scale
Publication number
20030075290
Publication date
Apr 24, 2003
Jacob Owen Thompson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method for inhibiting calcium salt scale
Publication number
20030010458
Publication date
Jan 16, 2003
Jacob Owen Thompson
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Process for the inhibition of scale
Publication number
20010035271
Publication date
Nov 1, 2001
Prasad Yogendra Duggirala
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE