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Substances modifying the evaporation, combustion, or thermal decomposition processes of black liquor
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CPC
D21C11/0092
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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
D21C11/00
Regeneration of pulp liquors or effluent waste waters
Current Industry
D21C11/0092
Substances modifying the evaporation, combustion, or thermal decomposition processes of black liquor
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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
Deposit control for a black liquor recovery boiler
Patent number
11,008,704
Issue date
May 18, 2021
Chrstopher R. Smyrniotis
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for the preparation of aromatic compounds
Patent number
10,927,498
Issue date
Feb 23, 2021
Huntsman International LLC
André Heeres
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Process for treating black liquor
Patent number
10,184,213
Issue date
Jan 22, 2019
Huntsman International LLC
Arend-Jan Zeeuw
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method and arrangement for separating contaminants from liquids or...
Patent number
8,992,729
Issue date
Mar 31, 2015
Andritz Oy
Carl-Gustav Berg
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for obtaining flue gases with low content of NO.sub.x in a...
Patent number
6,071,377
Issue date
Jun 6, 2000
Kvaerner Pulping AB
Nils Gustav Lindman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Combustion of black liquid and processing of lime sludge in a recov...
Patent number
5,922,172
Issue date
Jul 13, 1999
Korsnas AB
Bertil Pettersson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of reducing the viscosity of a black liquor using thiocyanat...
Patent number
5,900,112
Issue date
May 4, 1999
North Carolina State University
Richard J. Spontak
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of reducing scaling of heat transfer surfaces in an evaporat...
Patent number
5,647,955
Issue date
Jul 15, 1997
Tampella Power Oy
Jukka Vaistomaa
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Defoamer composition and method of using the same
Patent number
5,645,762
Issue date
Jul 8, 1997
Henkel Corporation
Anthony B. Cook
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of reducing the viscosity of a black liquor
Patent number
5,635,027
Issue date
Jun 3, 1997
North Carolina State University
Richard J. Spontak
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for adjusting the sulphur/sodium ratio in the flue gases of...
Patent number
5,562,804
Issue date
Oct 8, 1996
Tampella Power Oy
Seppo Tuominiemi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Kraft pulping process with spent sulphuric acid addition to strong...
Patent number
5,080,756
Issue date
Jan 14, 1992
Marsulex Inc.
Gerald W. Kutney
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Pollution free pulping process using recycled wash effluent from mu...
Patent number
4,619,733
Issue date
Oct 28, 1986
Boon-Lam Kooi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fluidized bed reactor system
Patent number
4,311,670
Issue date
Jan 19, 1982
A. Ahlstrom Osakeyhtio
Jorma J. Nieminen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process and apparatus for recovery of spent pulping liquors
Patent number
4,303,469
Issue date
Dec 1, 1981
International Paper Company
Salvatore T. DiNovo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of treating spent pulping liquor in a fluidized bed reactor
Patent number
4,244,779
Issue date
Jan 13, 1981
A. Ahlstrom Osakeyhtio
Jorma J. Nieminen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Alkali regeneration process
Patent number
4,224,289
Issue date
Sep 23, 1980
Australian Paper Manufacturers Limited
Geoffrey H. Covey
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for recovering caustic alkali from spent alkali liquor
Patent number
4,169,131
Issue date
Sep 25, 1979
Nittetu Chemical Engineering Limited
Yoshiaki Kinoshita
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Recovery process and apparatus for alkali metal-containing spent li...
Patent number
4,154,643
Issue date
May 15, 1979
Sonoco Products Company
William R. Cook
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of producing pulp and burning waste liquor obtained thereby
Patent number
4,049,489
Issue date
Sep 20, 1977
Anders Vegeby
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Recovery process and apparatus for alkali metal-containing waste li...
Patent number
4,035,228
Issue date
Jul 12, 1977
Sonoco Products Company
Donald R. Sheeley
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of recovering sodium hydroxide from sulfur free pulping or b...
Patent number
4,000,264
Issue date
Dec 28, 1976
Toyo Pulp Co., Ltd.
Tadashi Nagano
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
3927174
Patent number
3,927,174
Issue date
Dec 16, 1975
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
3864192
Patent number
3,864,192
Issue date
Feb 4, 1975
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
3787283
Patent number
3,787,283
Issue date
Jan 22, 1974
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
3523864
Patent number
3,523,864
Issue date
Aug 11, 1970
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
3366535
Patent number
3,366,535
Issue date
Jan 30, 1968
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
2755749
Patent number
2,755,749
Issue date
Jul 24, 1956
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
2596241
Patent number
2,596,241
Issue date
May 13, 1952
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
BLACK LIQUOR TREATMENT
Publication number
20240150960
Publication date
May 9, 2024
Solenis Technologies, L.P.
Daniel Joseph Nicholson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
METHOD FOR THE GASIFICATION OF A BLACK LIQUOR
Publication number
20230416986
Publication date
Dec 28, 2023
Commissariat A L'Energie Atomique et Aux Energies Alternatives
Geert Haarlemmer
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
KRAFT PULP MILL SCALE CONTROL WITH END GROUP MODIFIED POLYCARBOXYLATES
Publication number
20210002826
Publication date
Jan 7, 2021
Solenis Technologies, L.P.
Daniel Joseph Nicholson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CATALYTIC CONVERSION OF LIGNIN
Publication number
20200141057
Publication date
May 7, 2020
SunCarbon AB
Christian Hulteberg
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
DEPOSIT CONTROL FOR A BLACK LIQUOR RECOVERY BOILER
Publication number
20190040577
Publication date
Feb 7, 2019
FUEL TECH, INC.
Chrstopher R. Smyrniotis
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS FOR THE PREPARATION OF AROMATIC COMPOUNDS
Publication number
20180237989
Publication date
Aug 23, 2018
Huntsman International LLC
André Heeres
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR TREATING BLACK LIQUOR
Publication number
20170306558
Publication date
Oct 26, 2017
Huntsman International LLC
Arend-Jan Zeeuw
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD AND ARRANGEMENT FOR SEPARATING CONTAMINANTS FROM LIQUIDS OR...
Publication number
20130340960
Publication date
Dec 26, 2013
ANDRITZ OY
Carl-Gustav Berg
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE