Polysulfides of sodium or potassium

Industry

CPC
C01B17/34

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

Parent Industries

CCHEMISTRY METALLURGY C01Inorganic chemistry C01BNON-METALLIC ELEMENTS COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C C01B17/00Sulfur Compounds thereof

Current Industry

C01B17/34Polysulfides of sodium or potassium

Industries

Patents Grantslast 30 patents

Information Patent Grant
Method for regenerating catalysts used for production of polysulphi...
- Patent number 11,219,881
- Issue date Jan 11, 2022
- Andritz Oy
- Sanna Hämäläinen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for recovering alkali metals and sulfur from alkali metal s...
- Patent number 10,087,538
- Issue date Oct 2, 2018
- FIELD UPGRADING LIMITED
- John Howard Gordon
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Generation of active polysulphide with manganese and bismuth catalysts
- Patent number 7,867,360
- Issue date Jan 11, 2011
- Fpinnovations
- Yujun Sun
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Polysulfide measurement methods using colormetric techniques
- Patent number 6,875,414
- Issue date Apr 5, 2005
- American Air Liquide, Inc.
- V. S. Meenakshi Sundaram
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for preparing polysulfides using clarified white liquor
- Patent number 6,866,748
- Issue date Mar 15, 2005
- American Air Liquide, Inc.
- Meenakshi V. Sundaram
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for producing polysulfide by electrolytic oxidation
- Patent number 6,264,819
- Issue date Jul 24, 2001
- Asahi Glass Company Ltd.
- Tatsuya Andoh
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for producing sulfur-containing organosilicon compounds and...
- Patent number 6,066,752
- Issue date May 23, 2000
- Daiso Co., Ltd.
- Toshikazu Takata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of separating sodium hydroxide from white liquor or polysulf...
- Patent number 5,843,316
- Issue date Dec 1, 1998
- Enso-Gutzeit Oy
- Hannu Kurittu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of preparing polysulphidic silyl ethers
- Patent number 5,770,754
- Issue date Jun 23, 1998
- Bayer Aktiengesellschaft
- Thomas Scholl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of preparing lower sodium polysulfides from higher sodium po...
- Patent number 5,080,881
- Issue date Jan 14, 1992
- Degussa Aktiengesellschaft
- Friedrich Bittner
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of oxidizing sulfide-containing liquor
- Patent number 4,855,123
- Issue date Aug 8, 1989
- Mitsubishi Paper Mills, Ltd.
- Masayuki Suzuki
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the production of sodium polysulfides from the elements...
- Patent number 4,640,832
- Issue date Feb 3, 1987
- Degussa Aktiengesellschaft
- Friedrich Bittner
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for production of sodium thiosulfate and sodium hydroxide
- Patent number 4,162,187
- Issue date Jul 24, 1979
- The Mead Corporation
- Glen C. Smith
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the production of polysulphide pulping liquor from pulp...
- Patent number 4,153,502
- Issue date May 8, 1979
- Corrosion Service Company Limited
- Walter A. Mueller
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Production of polysulfide with PTFE coated catalyst
- Patent number 4,024,229
- Issue date May 17, 1977
- The Mead Corporation
- Glen C. Smith
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Combined process for upgrading spent alkylation acid and reducing n...
- Patent number 4,014,982
- Issue date Mar 29, 1977
- Texaco Development Corporation
- Peter L. Paull
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Sulfur recovery system
- Patent number 4,001,385
- Issue date Jan 4, 1977
- The Mead Corporation
- Frederick W. Sanders
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3904743
- Patent number 3,904,743
- Issue date Sep 9, 1975
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3876756
- Patent number 3,876,756
- Issue date Apr 8, 1975
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3860479
- Patent number 3,860,479
- Issue date Jan 14, 1975
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3788978
- Patent number 3,788,978
- Issue date Jan 29, 1974
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
3787315
- Patent number 3,787,315
- Issue date Jan 22, 1974
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3764653
- Patent number 3,764,653
- Issue date Oct 9, 1973
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3558272
- Patent number 3,558,272
- Issue date Jan 26, 1971
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3474028
- Patent number 3,474,028
- Issue date Oct 21, 1969
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3409520
- Patent number 3,409,520
- Issue date Nov 5, 1968
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
3331657
- Patent number 3,331,657
- Issue date Jul 18, 1967
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3249522
- Patent number 3,249,522
- Issue date May 3, 1966
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
2722473
- Patent number 2,722,473
- Issue date Nov 1, 1955
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
2077856
- Patent number 2,077,856
- Issue date Apr 20, 1937
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Polysulfide Compositions and Processes for Making Same
- Publication number 20220396483
- Publication date Dec 15, 2022
- TESSENDERLO KERLEY, INC.
- Constance Lockhart
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Sulfides Electrolyte for Metal Processing and Extraction
- Publication number 20200247670
- Publication date Aug 6, 2020
- Massachusetts Institute of Technology
- Guillaume Lambotte
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SULFIDES ELECTROLYTE FOR METAL PROCESSING AND EXTRACTION
- Publication number 20190127221
- Publication date May 2, 2019
- Guillaume Lambotte
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for regenerating catalysts used for production of polysulphi...
- Publication number 20180133692
- Publication date May 17, 2018
- ANDRITZ OY
- Sanna Hämäläinen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR RECOVERING ALKALI METALS AND SULFUR FROM ALKALI METAL S...
- Publication number 20170275771
- Publication date Sep 28, 2017
- CERAMATEC, INC.
- John Howard Gordon
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
PROCESS FOR RECOVERING ALKALI METALS AND SULFUR FROM ALKALI METAL S...
- Publication number 20170016128
- Publication date Jan 19, 2017
- CERAMATEC, INC.
- John Howard Gordon
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
MIXTURES OF ALKALI METAL POLYSULFIDES
- Publication number 20110163258
- Publication date Jul 7, 2011
- BASF SE
- Fabian Seeler
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
HEAT TRANSFER FLUIDS AND HEAT STORAGE FLUIDS FOR EXTREMELY HIGH TEM...
- Publication number 20110163259
- Publication date Jul 7, 2011
- BASF SE
- Hans-Josef Sterzel
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Generation of active polysulphide
- Publication number 20090126882
- Publication date May 21, 2009
- Yujun Sun
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PRODUCING SODIUM BOROHYDRIDE WITH HIGH ENERGY EFFICIENCY AND RECYCL...
- Publication number 20070128509
- Publication date Jun 7, 2007
- Zongxuan Hong
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Systems and methods for generating polysulfides
- Publication number 20040134794
- Publication date Jul 15, 2004
- V.S. Meenakshi Sundaram
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Polysulfide measurement methods using colormetric techniques
- Publication number 20030157017
- Publication date Aug 21, 2003
- American Air Liquide, Inc.
- V.S. Meenakshi Sundaram
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method for controlling polysulfide production
- Publication number 20030044344
- Publication date Mar 6, 2003
- Victor M. Saucedo
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process for preparing polysulfides using clarified white liquor
- Publication number 20020192146
- Publication date Dec 19, 2002
- Meenakshi V. Sundaram
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Selective oxidation of kraft cooking liquors
- Publication number 20020114760
- Publication date Aug 22, 2002
- Sebastien Corbeil
- C01 - INORGANIC CHEMISTRY

Polysulfides of sodium or potassium

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for regenerating catalysts used for production of polysulphi...

Process for recovering alkali metals and sulfur from alkali metal s...

Generation of active polysulphide with manganese and bismuth catalysts

Polysulfide measurement methods using colormetric techniques

Process for preparing polysulfides using clarified white liquor

Method for producing polysulfide by electrolytic oxidation

Process for producing sulfur-containing organosilicon compounds and...

Method of separating sodium hydroxide from white liquor or polysulf...

Method of preparing polysulphidic silyl ethers

Method of preparing lower sodium polysulfides from higher sodium po...

Method of oxidizing sulfide-containing liquor

Process for the production of sodium polysulfides from the elements...

Process for production of sodium thiosulfate and sodium hydroxide

Process for the production of polysulphide pulping liquor from pulp...

Production of polysulfide with PTFE coated catalyst

Combined process for upgrading spent alkylation acid and reducing n...

Sulfur recovery system

3904743

3876756

3860479

3788978

3787315

3764653

3558272

3474028

3409520

3331657

3249522

2722473

2077856

Patents Applicationslast 30 patents

Polysulfide Compositions and Processes for Making Same

Sulfides Electrolyte for Metal Processing and Extraction

SULFIDES ELECTROLYTE FOR METAL PROCESSING AND EXTRACTION

Method for regenerating catalysts used for production of polysulphi...

PROCESS FOR RECOVERING ALKALI METALS AND SULFUR FROM ALKALI METAL S...

PROCESS FOR RECOVERING ALKALI METALS AND SULFUR FROM ALKALI METAL S...

MIXTURES OF ALKALI METAL POLYSULFIDES

HEAT TRANSFER FLUIDS AND HEAT STORAGE FLUIDS FOR EXTREMELY HIGH TEM...

Generation of active polysulphide

PRODUCING SODIUM BOROHYDRIDE WITH HIGH ENERGY EFFICIENCY AND RECYCL...

Systems and methods for generating polysulfides

Polysulfide measurement methods using colormetric techniques

Method for controlling polysulfide production

Process for preparing polysulfides using clarified white liquor

Selective oxidation of kraft cooking liquors