Purification

Industry

CPC
C01B17/168

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

Current Industry

C01B17/168Purification

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Patents Grantslast 30 patents

Information Patent Grant
Adsorption-based Claus tail gas treatment through regeneration temp...
- Patent number 11,572,274
- Issue date Feb 7, 2023
- Saudi Arabian Oil Company
- Georgios Lithoxoos
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Hydrogen sulfide production method and sulfur recovery method
- Patent number 11,459,236
- Issue date Oct 4, 2022
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Yoshihiro Nakada
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Processes for removing polysulfanes and elemental sulfur from hydro...
- Patent number 10,773,958
- Issue date Sep 15, 2020
- Chevron Phillips Chemical Company LP
- Daniel M. Hasenberg
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
System for tail gas treatment of sulfur recovery units
- Patent number 10,556,805
- Issue date Feb 11, 2020
- Saudi Arabian Oil Company
- Aadesh Harale
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Hydrogen sulfide gas production plant and method for recovering and...
- Patent number 9,480,956
- Issue date Nov 1, 2016
- Sumitomo Metal Mining Co., Ltd.
- Osamu Nakai
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method and device for continuous production of hydrogen sulphide
- Patent number 7,887,777
- Issue date Feb 15, 2011
- BASF SE
- Andreas Wölfert
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the conversion of polysulfanes
- Patent number 7,604,788
- Issue date Oct 20, 2009
- Evonik Degussa GmbH
- Alexander Möller
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the conversion of polysulfanes
- Patent number 7,326,393
- Issue date Feb 5, 2008
- Degussa AG
- Alexander Möller
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Methods and apparatus for purifying hydrogen sulfide
- Patent number 5,686,056
- Issue date Nov 11, 1997
- Bechtel Group, Inc.
- Charles L. Kimtantas
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of seperating sulphur compounds
- Patent number 5,556,605
- Issue date Sep 17, 1996
- Chemrec Aktiebolag
- Lars Stigsson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for improving the long-term stability of H.sub.2 S absorptio...
- Patent number 5,102,635
- Issue date Apr 7, 1992
- Union Oil Company of California
- Dennis D. Delaney
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for purifying gaseous hydrides
- Patent number 5,019,364
- Issue date May 28, 1991
- Japan Pionics Co., Ltd.
- Koichi Kitahara
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for improving the long-term stability of H.sub.2 S absorptio...
- Patent number 4,892,723
- Issue date Jan 9, 1990
- Union Oil Company of California
- Dennis D. Delaney
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method and apparatus for improved gettering for reactant gases
- Patent number 4,564,509
- Issue date Jan 14, 1986
- Northeast Semiconductor Inc.
- James R. Shealy
- C30 - CRYSTAL GROWTH
Information Patent Grant
Distillative separations of gas mixtures containing methane, carbon...
- Patent number 4,462,814
- Issue date Jul 31, 1984
- Koch Process Systems, Inc.
- Arthur S. Holmes
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Distillative separation of carbon dioxide from hydrogen sulfide
- Patent number 4,383,841
- Issue date May 17, 1983
- Koch Process Systems, Inc.
- James M. Ryan
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Distillative separation of carbon dioxide from hydrogen sulfide
- Patent number 4,293,322
- Issue date Oct 6, 1981
- Helix Technology Corporation
- James M. Ryan
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
2817580
- Patent number 2,817,580
- Issue date Dec 24, 1957
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
2784055
- Patent number 2,784,055
- Issue date Mar 5, 1957
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
2743153
- Patent number 2,743,153
- Issue date Apr 24, 1956
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
2479781
- Patent number 2,479,781
- Issue date Aug 23, 1949
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
2205122
- Patent number 2,205,122
- Issue date Jun 18, 1940
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
2143286
- Patent number 2,143,286
- Issue date Jan 10, 1939
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PRODUCING HYDROGEN FROM HYDROGEN SULFIDE
- Publication number 20240327208
- Publication date Oct 3, 2024
- Saudi Arabian Oil Company
- Hassan A. Aljama
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HYDROGEN SULFIDE PURIFICATION METHOD, LITHIUM SULFIDE PRODUCTION ME...
- Publication number 20240270575
- Publication date Aug 15, 2024
- AGC Inc.
- Ryota ANDO
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR SIMULTANEOUS REMOVAL OF HYDROGEN SULFIDE AND HEAVY METALS
- Publication number 20240124305
- Publication date Apr 18, 2024
- KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
- Sagheer A. ONAIZI
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Adsorption-Based Claus Tail Gas Treatment through Regeneration Temp...
- Publication number 20220242729
- Publication date Aug 4, 2022
- Saudi Arabian Oil Company
- Georgios Lithoxoos
- C01 - INORGANIC CHEMISTRY
Information Patent Application
HYDROGEN SULFIDE PRODUCTION METHOD AND SULFUR RECOVERY METHOD
- Publication number 20210053828
- Publication date Feb 25, 2021
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Yoshihiro NAKADA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Processes for Removing Polysulfanes and Elemental Sulfur from Hydro...
- Publication number 20150266734
- Publication date Sep 24, 2015
- Chevron Phillips Chemical Company LP
- Daniel M. Hasenberg
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD AND DEVICE FOR CONTINUOUS PRODUCTION OF HYDROGEN SULPHIDE
- Publication number 20100008839
- Publication date Jan 14, 2010
- BASF SE
- Andreas Wölfert
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process for the conversion of polysulfanes
- Publication number 20080175778
- Publication date Jul 24, 2008
- EVONIK DEGUSSA GmbH
- Alexander Moller
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process for the conversion of polysulfanes
- Publication number 20050265913
- Publication date Dec 1, 2005
- Alexander Moller
- C01 - INORGANIC CHEMISTRY

Purification

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Adsorption-based Claus tail gas treatment through regeneration temp...

Hydrogen sulfide production method and sulfur recovery method

Processes for removing polysulfanes and elemental sulfur from hydro...

System for tail gas treatment of sulfur recovery units

Hydrogen sulfide gas production plant and method for recovering and...

Method and device for continuous production of hydrogen sulphide

Process for the conversion of polysulfanes

Process for the conversion of polysulfanes

Methods and apparatus for purifying hydrogen sulfide

Method of seperating sulphur compounds

Method for improving the long-term stability of H.sub.2 S absorptio...

Method for purifying gaseous hydrides

Method for improving the long-term stability of H.sub.2 S absorptio...

Method and apparatus for improved gettering for reactant gases

Distillative separations of gas mixtures containing methane, carbon...

Distillative separation of carbon dioxide from hydrogen sulfide

Distillative separation of carbon dioxide from hydrogen sulfide

2817580

2784055

2743153

2479781

2205122

2143286

Patents Applicationslast 30 patents

PRODUCING HYDROGEN FROM HYDROGEN SULFIDE

HYDROGEN SULFIDE PURIFICATION METHOD, LITHIUM SULFIDE PRODUCTION ME...

PROCESS FOR SIMULTANEOUS REMOVAL OF HYDROGEN SULFIDE AND HEAVY METALS

Adsorption-Based Claus Tail Gas Treatment through Regeneration Temp...

HYDROGEN SULFIDE PRODUCTION METHOD AND SULFUR RECOVERY METHOD

Processes for Removing Polysulfanes and Elemental Sulfur from Hydro...

METHOD AND DEVICE FOR CONTINUOUS PRODUCTION OF HYDROGEN SULPHIDE

Process for the conversion of polysulfanes

Process for the conversion of polysulfanes