Sulfuric acid

Industry

CPC
Y10S423/02

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YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10USPC classification Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10S423/00Chemistry of inorganic compounds

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Y10S423/02Sulfuric acid

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Patents Grantslast 30 patents

Information Patent Grant
Method for recycling waste sulfuric acid
- Patent number 7,682,066
- Issue date Mar 23, 2010
- Sony Corporation
- Yasuhito Inagaki
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for processing iron-laden spent sulfuric acid
- Patent number 7,537,749
- Issue date May 26, 2009
- Tronox Pigments GmbH
- Gerhard Auer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
System for recycling spent sulfuric acid, method for recycling spen...
- Patent number 7,360,550
- Issue date Apr 22, 2008
- Sony Corporation
- Yasuhito Inagaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for the preparation of iron hydroxide, iron oxide hydrate or...
- Patent number 7,144,561
- Issue date Dec 5, 2006
- Sachtleben Chemie GmbH
- Bodo Gosch
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of producing ferrous sulfate heptahydrate
- Patent number 7,097,816
- Issue date Aug 29, 2006
- Alexander Kehrmann
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Liquid ferric sulfate manufacturing process
- Patent number 7,067,100
- Issue date Jun 27, 2006
- General Chemical Corporation
- Steven Faigen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for preparing aluminum sulfate, aluminum sulfate, method for...
- Patent number 7,067,099
- Issue date Jun 27, 2006
- Sony Corporation
- Yasuhito Inagaki
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Sulfidation reaction control method
- Patent number 7,018,605
- Issue date Mar 28, 2006
- Sumitomo Metal Mining Co., Ltd.
- Hiroshi Kobayashi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method of treating residual acid
- Patent number 6,852,297
- Issue date Feb 8, 2005
- Kemira Kemi AB
- Lars Gillberg
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Process and apparatus for the extraction and regeneration of acids...
- Patent number 6,797,240
- Issue date Sep 28, 2004
- Andritz AG
- Albert Lebl
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for the conditioning of phosphoric acid
- Patent number 6,565,756
- Issue date May 20, 2003
- Poligrat Holding GmbH
- Siegfried Piesslinger-Schweiger
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for the concentration of dilute sulphuric acid solutions
- Patent number 6,548,038
- Issue date Apr 15, 2003
- Tioxide Group Services Limited
- James Henry Bush
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Process for generating recoverable sulfur containing compounds from...
- Patent number 6,399,040
- Issue date Jun 4, 2002
- Rohm & Haas Company
- Charles Anthony Dafft
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for the manufacture of ferric sulfate solution and a water t...
- Patent number 6,375,919
- Issue date Apr 23, 2002
- Taki Chemical Co., Ltd.
- Toshihiko Kakio
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for reclaiming metal sulfate-containing waste sulfuric acid
- Patent number 6,337,061
- Issue date Jan 8, 2002
- Nittetsu Mining Co., Ltd.
- Nobuyoshi Iyatomi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Suspension system using fumed silica
- Patent number 6,315,975
- Issue date Nov 13, 2001
- Rhodia Inc.
- Donald Edward Lindblad
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method and apparatus for the conditioning of phosphoric acid
- Patent number 6,264,177
- Issue date Jul 24, 2001
- Poligrat Holding GmbH
- Siegfried Piesslinger-Schweiger
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for the extraction and regeneration of acids from spent acids
- Patent number 6,214,310
- Issue date Apr 10, 2001
- Andritz-Patentverwaltungs-Gesellschaft m.b.H.
- Albert Lebl
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Removal of NOx and SOx emissions form pickling lines for metal trea...
- Patent number 5,985,223
- Issue date Nov 16, 1999
- The BOC Group, Inc.
- Neeraj Saxena
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Processes for the treatment of acidic liquors and for the productio...
- Patent number 5,800,716
- Issue date Sep 1, 1998
- Laporte Industries Limited
- Neil Clarke
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for recovering sulfuric acid from metallic sulfate-containi...
- Patent number 5,489,423
- Issue date Feb 6, 1996
- Nittetsu Mining Co., Ltd.
- Yasuie Mikami
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the production of titanium dioxide
- Patent number 5,409,679
- Issue date Apr 25, 1995
- Kronos, Inc.
- Achim Hartmann
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for preparing aluminum sulfate
- Patent number 5,356,602
- Issue date Oct 18, 1994
- Sumitomo Chemical Company, Ltd.
- Mitsuo Tanjo
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for treating waste pickle liquor
- Patent number 5,344,572
- Issue date Sep 6, 1994
- Satish C. Wadhawan
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for conditioning waste sulfuric acid
- Patent number 5,308,600
- Issue date May 3, 1994
- Hoechst Aktiengesellschaft
- Helmold von Plessen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Liquid oxidizing method and apparatus
- Patent number 5,266,297
- Issue date Nov 30, 1993
- Sugita Wire Mfg. Co., Ltd.
- Shigemi Kodama
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process of concentrating a dilute sulfuric acid in a three-stage fo...
- Patent number 5,228,885
- Issue date Jul 20, 1993
- Metallgesellschaft Aktiengesellschaft
- Hartmut Wagner
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Recovery of chromium in high purity state from waste materials of e...
- Patent number 5,171,547
- Issue date Dec 15, 1992
- Amax, Inc.
- Ranko Crnojevich
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for preparing catalyst precursor for methanol synthesis
- Patent number 5,089,452
- Issue date Feb 18, 1992
- Mitsubishi Gas Chemical Company, Inc.
- Tadasi Nakamura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Iron complex synthesis
- Patent number 5,089,040
- Issue date Feb 18, 1992
- Union Oil Company of California
- Roger A. Brown
- C05 - FERTILISERS MANUFACTURE THEREOF

Patents Applicationslast 30 patents

Information Patent Application
Method for processing iron-laden spent sulfuric acid
- Publication number 20070122336
- Publication date May 31, 2007
- Tronax Pigments GMbH
- Gerhard Auer
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Apparatus for recycling waste sulfuric acid
- Publication number 20060144446
- Publication date Jul 6, 2006
- Yasuhito Inagaki
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method of producing ferrous sulfate heptahydrate
- Publication number 20050281732
- Publication date Dec 22, 2005
- Alexander Kehrmann
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Method for the preparation of iron hydroxide, iron oxide hydrate or...
- Publication number 20050019250
- Publication date Jan 27, 2005
- SACHTLEBEN CHEMIE GMBH
- Bodo Gosch
- C01 - INORGANIC CHEMISTRY
Information Patent Application
System for recycling spent sulfuric acid, method for recycling sulf...
- Publication number 20040211464
- Publication date Oct 28, 2004
- Yasuhito Inagaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Liquid ferric sulfate manufacturing process
- Publication number 20040179992
- Publication date Sep 16, 2004
- Steven Faigen
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method of treating residual acid
- Publication number 20040126310
- Publication date Jul 1, 2004
- Lars Gillberg
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
Sulfidation reaction control method
- Publication number 20030173308
- Publication date Sep 18, 2003
- Hiroshi Kobayashi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Method for preparing aluminum sulfate, aluminum sulfate, method for...
- Publication number 20030103891
- Publication date Jun 5, 2003
- Yasuhito Inagaki
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process and apparatus for the extraction and regeneration of acids...
- Publication number 20020031469
- Publication date Mar 14, 2002
- Albert Lebl
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method and apparatus for the conditioning of phosphoric acid
- Publication number 20010034926
- Publication date Nov 1, 2001
- Poligrat Holding GmbH
- Siegfried Piesslinger-Schweiger
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Sulfuric acid

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for recycling waste sulfuric acid

Method for processing iron-laden spent sulfuric acid

System for recycling spent sulfuric acid, method for recycling spen...

Method for the preparation of iron hydroxide, iron oxide hydrate or...

Method of producing ferrous sulfate heptahydrate

Liquid ferric sulfate manufacturing process

Method for preparing aluminum sulfate, aluminum sulfate, method for...

Sulfidation reaction control method

Method of treating residual acid

Process and apparatus for the extraction and regeneration of acids...

Method for the conditioning of phosphoric acid

Process for the concentration of dilute sulphuric acid solutions

Process for generating recoverable sulfur containing compounds from...

Method for the manufacture of ferric sulfate solution and a water t...

Method for reclaiming metal sulfate-containing waste sulfuric acid

Suspension system using fumed silica

Method and apparatus for the conditioning of phosphoric acid

Process for the extraction and regeneration of acids from spent acids

Removal of NOx and SOx emissions form pickling lines for metal trea...

Processes for the treatment of acidic liquors and for the productio...

Process for recovering sulfuric acid from metallic sulfate-containi...

Process for the production of titanium dioxide

Process for preparing aluminum sulfate

Method for treating waste pickle liquor

Process for conditioning waste sulfuric acid

Liquid oxidizing method and apparatus

Process of concentrating a dilute sulfuric acid in a three-stage fo...

Recovery of chromium in high purity state from waste materials of e...

Method for preparing catalyst precursor for methanol synthesis

Iron complex synthesis

Patents Applicationslast 30 patents

Method for processing iron-laden spent sulfuric acid

Apparatus for recycling waste sulfuric acid

Method of producing ferrous sulfate heptahydrate

Method for the preparation of iron hydroxide, iron oxide hydrate or...

System for recycling spent sulfuric acid, method for recycling sulf...

Liquid ferric sulfate manufacturing process

Method of treating residual acid

Sulfidation reaction control method

Method for preparing aluminum sulfate, aluminum sulfate, method for...

Process and apparatus for the extraction and regeneration of acids...

Method and apparatus for the conditioning of phosphoric acid