Dithionites or hydrosulfites (S204 2-)

Industry

CPC
C01B17/66

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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

C01B17/66Dithionites or hydrosulfites (S204 2-)

Industries

Patents Grantslast 30 patents

Information Patent Grant
Process for removal of selenium from water by dithionite ions
- Patent number 11,535,537
- Issue date Dec 27, 2022
- Ecolab USA Inc.
- Tarun Kumar Bera
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process and system for producing sodium hydrosulfite crystals
- Patent number 11,472,704
- Issue date Oct 18, 2022
- SILOX CANADA INC.
- Patrice Douville
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Stabilization of sodium dithionite by means of various additives
- Patent number 10,850,982
- Issue date Dec 1, 2020
- BASF SE
- Eberhard Beckmann
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for preparing dithionite
- Patent number 7,993,622
- Issue date Aug 9, 2011
- Kemira Oyj
- Risto Rahkola
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing sodium dithionite
- Patent number 7,968,076
- Issue date Jun 28, 2011
- BASF SE
- Armin Diefenbacher
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of preparing lithium salts
- Patent number 6,555,078
- Issue date Apr 29, 2003
- FMC Corporation
- Vijay Chandrakant Mehta
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Photoelectrochemical device containing a quantum confined group IV...
- Patent number 6,361,660
- Issue date Mar 26, 2002
- Avery N. Goldstein
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Photoelectrochemical device containing a quantum confined silicon p...
- Patent number 6,060,026
- Issue date May 9, 2000
- Starfire Electronic Development & Mktg., Ltd.
- Avery N. Goldstein
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
High purity lithium salts and lithium salt solutions
- Patent number 6,017,500
- Issue date Jan 25, 2000
- FMC Corporation
- Vijay Chandrakant Mehta
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Phosphate-free reduction bleaching formulation
- Patent number 5,547,475
- Issue date Aug 20, 1996
- Ciba-Geigy Corporation
- Rainer H. Traber
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
High yield sodium hydrosulfite generation
- Patent number 5,336,479
- Issue date Aug 9, 1994
- Morton International, Inc.
- David C. Munroe
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Stabilized sodium dithionite
- Patent number 5,296,210
- Issue date Mar 22, 1994
- Hoechst Celanese Corporation
- Donald M. Oglesby
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for re-use of aqueous co-product from manufacture of sodium...
- Patent number 5,283,046
- Issue date Feb 1, 1994
- Hoechst Celanese Corporation
- Charles E. Winslow
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus for producing high yield sodium hydrosulfite
- Patent number 5,188,807
- Issue date Feb 23, 1993
- Morton Thiokol, Inc.
- Jeremy Ko
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for stabilizing sodium dithionite
- Patent number 5,114,698
- Issue date May 19, 1992
- Hoechst Celanese Corporation
- Donald M. Oglesby
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Removal of thiosulfate from hydrosulfite solutions
- Patent number 5,112,452
- Issue date May 12, 1992
- Olin Corporation
- John L. Stubbs
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Purification of alkali metal hydrosulfite solutions
- Patent number 5,098,679
- Issue date Mar 24, 1992
- Olin Corporation
- Karl O. Knollmueller
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
High yield sodium hydrosulfite generation
- Patent number 5,094,833
- Issue date Mar 10, 1992
- Morton International, Inc.
- Jeremy Ko
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Removal of thiosulfate from hydrosulfite solutions
- Patent number 5,034,202
- Issue date Jul 23, 1991
- Olin Corporation
- Karl O. Knollmueller
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of reducing ethylene oxide emissions
- Patent number 5,034,210
- Issue date Jul 23, 1991
- Hoechst Celanese Corporation
- Charles E. Winslow
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Alkali metal hydrosulfite solutions
- Patent number 5,006,327
- Issue date Apr 9, 1991
- Olin Corporation
- Roger E. Bolick
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing dust-free sodium dithionite
- Patent number 4,973,471
- Issue date Nov 27, 1990
- Hoechst Celanese Corporation
- Joseph L. Bush
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for bleaching
- Patent number 4,919,755
- Issue date Apr 24, 1990
- Eka Nobel AB
- Inge Mansson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Continuous preparation of solutions of low viscosity solvents and h...
- Patent number 4,871,373
- Issue date Oct 3, 1989
- BASF Aktiengesellschaft
- Volker Kiener
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the production of sodium hydrosulfite
- Patent number 4,859,447
- Issue date Aug 22, 1989
- Morton Thiokol, Inc.
- Philippe R. Sanglet
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing anhydrous alkali metal hydrosulfites
- Patent number 4,810,483
- Issue date Mar 7, 1989
- Olin Corporation
- David W. Cawlfield
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Apparatus for the production of sodium hydrosulfite
- Patent number 4,788,041
- Issue date Nov 29, 1988
- Morton Thiokol, Inc.
- Philippe R. Sanglet
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of preparing reproducibly stable aqueous suspensions of sodi...
- Patent number 4,729,886
- Issue date Mar 8, 1988
- Virginia Chemicals, Inc.
- Edwin D. Little
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for producing dithionites
- Patent number 4,693,880
- Issue date Sep 15, 1987
- Mitsubishi Gas Chemical Company, Inc.
- Satoshi Arakawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for preparing compositions which can be used in the producti...
- Patent number 4,680,136
- Issue date Jul 14, 1987
- Stora Kopparbergs Bergslags AB
- Ragnar Bernhard
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS AND SYSTEM FOR PRODUCING SODIUM HYDROSULFITE CRYSTALS
- Publication number 20220144635
- Publication date May 12, 2022
- HYDRO TECHNOLOGIES (CANADA) INC.
- Patrice DOUVILLE
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process for the Stabilisation of Hydrosulphite
- Publication number 20210292167
- Publication date Sep 23, 2021
- ESSECO S.R.L.
- Adelio Mazzola
- C01 - INORGANIC CHEMISTRY
Information Patent Application
STABILIZATION OF SODIUM DITHIONITE BY MEANS OF VARIOUS ADDITIVES
- Publication number 20180134557
- Publication date May 17, 2018
- BASF SE
- Eberhard BECKMANN
- C01 - INORGANIC CHEMISTRY
Information Patent Application
BLEACHING METHOD
- Publication number 20110203485
- Publication date Aug 25, 2011
- KEMIRA OYJ
- Risto Rahkola
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING DITHIONITE
- Publication number 20100181531
- Publication date Jul 22, 2010
- Risto Rahkola
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method for Producing Sodium Dithionite
- Publication number 20080187484
- Publication date Aug 7, 2008
- Armin Diefenbacher
- C01 - INORGANIC CHEMISTRY

Dithionites or hydrosulfites (S204 2-)

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Process for removal of selenium from water by dithionite ions

Process and system for producing sodium hydrosulfite crystals

Stabilization of sodium dithionite by means of various additives

Method for preparing dithionite

Method for producing sodium dithionite

Method of preparing lithium salts

Photoelectrochemical device containing a quantum confined group IV...

Photoelectrochemical device containing a quantum confined silicon p...

High purity lithium salts and lithium salt solutions

Phosphate-free reduction bleaching formulation

High yield sodium hydrosulfite generation

Stabilized sodium dithionite

Method for re-use of aqueous co-product from manufacture of sodium...

Apparatus for producing high yield sodium hydrosulfite

Method for stabilizing sodium dithionite

Removal of thiosulfate from hydrosulfite solutions

Purification of alkali metal hydrosulfite solutions

High yield sodium hydrosulfite generation

Removal of thiosulfate from hydrosulfite solutions

Method of reducing ethylene oxide emissions

Alkali metal hydrosulfite solutions

Method for producing dust-free sodium dithionite

Process for bleaching

Continuous preparation of solutions of low viscosity solvents and h...

Process for the production of sodium hydrosulfite

Process for producing anhydrous alkali metal hydrosulfites

Apparatus for the production of sodium hydrosulfite

Method of preparing reproducibly stable aqueous suspensions of sodi...

Process for producing dithionites

Method for preparing compositions which can be used in the producti...

Patents Applicationslast 30 patents

PROCESS AND SYSTEM FOR PRODUCING SODIUM HYDROSULFITE CRYSTALS

Process for the Stabilisation of Hydrosulphite

STABILIZATION OF SODIUM DITHIONITE BY MEANS OF VARIOUS ADDITIVES

BLEACHING METHOD

METHOD FOR PREPARING DITHIONITE

Method for Producing Sodium Dithionite