Recovery from acid tar or the like

Industry

CPC
C01B17/92

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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

C01B17/92Recovery from acid tar or the like

Industries

Patents Grantslast 30 patents

Information Patent Grant
Method for production of sulfuric acid from sulfur containing feeds...
- Patent number 10,532,930
- Issue date Jan 14, 2020
- Haldor Topsoe A/S
- Morten Thellefsen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for the manufacture of an ammonium sulfate composition
- Patent number 8,496,905
- Issue date Jul 30, 2013
- Nutrinova Nutrition Specialties & Food Ingredients GmbH
- Stephan Brietzke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Extraction of ASO from spent sulfuric acid using liquid SO2
- Patent number 8,084,661
- Issue date Dec 27, 2011
- Catalytic Distillation Technologies
- William M. Cross, Jr.
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Acid tolerant polymeric membrane and process for the recovery of ac...
- Patent number 7,997,426
- Issue date Aug 16, 2011
- ExxonMobil Research and Engineering Company
- Bhupender S. Minhas
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Acid tolerant polymeric membrane and process for the recovery of ac...
- Patent number 7,837,880
- Issue date Nov 23, 2010
- ExxonMobil Research and Engineering Company
- Bhupender S. Minhas
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for regenerating spent sulfuric acid
- Patent number 7,344,692
- Issue date Mar 18, 2008
- Catalytic Distillation Technologies
- Lawrence A. Smith, Jr.
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for purifying spent acid
- Patent number 7,034,193
- Issue date Apr 25, 2006
- Rhodia Inc.
- Richard Wai-Chun Liu
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Process for removing tar from spent acid
- Patent number 6,818,799
- Issue date Nov 16, 2004
- Rhodia, Inc.
- Richard Wai-Chun Liu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for fluidizing tars
- Patent number 6,245,216
- Issue date Jun 12, 2001
- Rhodia Inc.
- Philip Dean Hill
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for fluidizing tars
- Patent number 6,197,837
- Issue date Mar 6, 2001
- Rhodia Inc.
- Philip Dean Hill
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Waste acid recovery
- Patent number 6,159,382
- Issue date Dec 12, 2000
- Waterworks International Inc.
- Lawrence D. Conant
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for removing organic phosphorous compounds and other impuri...
- Patent number 6,083,470
- Issue date Jul 4, 2000
- Hoechst Aktiengesellschaft
- Gerhard Diekhaus
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Extraction method
- Patent number 6,007,722
- Issue date Dec 28, 1999
- Chematur Ecoplanning Oy
- Lasse Parvinen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Integrated process using in situ regenerated sulfuric acid as catalyst
- Patent number 5,888,920
- Issue date Mar 30, 1999
- Tse-Chuan Chou
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for purifying sulfuric acid
- Patent number 5,683,671
- Issue date Nov 4, 1997
- Wacker-Chemie GmbH
- Konrad Mautner
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Recovery and regeneration of sulfuric acid
- Patent number 5,547,655
- Issue date Aug 20, 1996
- Tse-Chaun Chou
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for purifying impure sulphuric acid
- Patent number 5,501,847
- Issue date Mar 26, 1996
- Institut Francais du Petrole
- Jean-Francois Joly
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Methods for recovery of acids
- Patent number 5,434,301
- Issue date Jul 18, 1995
- Henkel Corporation
- William G. Kozak
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Spent alkylation acid treatment process
- Patent number 5,114,699
- Issue date May 19, 1992
- Freeport-McMoRan Resource Partners
- Tadeusz K. Wiewiorowski
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of separation of sugars and concentrated sulfuric acid
- Patent number 4,608,245
- Issue date Aug 26, 1986
- James L. Gaddy
- C13 - SUGAR INDUSTRY
Information Patent Grant
Process for the recovery of sulfuric acid
- Patent number 4,440,734
- Issue date Apr 3, 1984
- Gouvernement du Quebec
- Demetre Kougioumoutzakis
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Alkylation fluosulfonic-sulfuric acid catalyst recovery process wit...
- Patent number 4,033,899
- Issue date Jul 5, 1977
- Texaco Inc.
- Richard H. Bennett
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3789902
- Patent number 3,789,902
- Issue date Feb 5, 1974
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3709807
- Patent number 3,709,807
- Issue date Jan 9, 1973
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3698858
- Patent number 3,698,858
- Issue date Oct 17, 1972
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3691252
- Patent number 3,691,252
- Issue date Sep 12, 1972
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3652708
- Patent number 3,652,708
- Issue date Mar 28, 1972
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3607035
- Patent number 3,607,035
- Issue date Sep 21, 1971
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3554697
- Patent number 3,554,697
- Issue date Jan 12, 1971
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3545519
- Patent number 3,545,519
- Issue date Dec 8, 1970
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCTION OF SULFURIC ACID FROM SULFUR CONTAINING FEEDS...
- Publication number 20190308879
- Publication date Oct 10, 2019
- HALDOR TOPSOE A/S
- Morten Thellefsen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for the Manufacture of an Ammonium Sulfate Composition
- Publication number 20130064755
- Publication date Mar 14, 2013
- Stephan Brietzke
- C07 - ORGANIC CHEMISTRY
Information Patent Application
EXTRACTION OF ASO FROM SPENT SULFURIC ACID USING LIQUID SO2
- Publication number 20100152517
- Publication date Jun 17, 2010
- CATALYTIC DISTILLATION TECHNOLOGIES
- William M. Cross, JR.
- C07 - ORGANIC CHEMISTRY
Information Patent Application
DECOMPOSITION OF SPENT SULFURIC ACID USING OXYGEN
- Publication number 20090317321
- Publication date Dec 24, 2009
- James Patrick Meagher
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Acid tolerant polymeric membrane and process for the recovery of ac...
- Publication number 20070272614
- Publication date Nov 29, 2007
- Bhupender S. Minhas
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Acid tolerant polymeric membrane and process for the recovery of ac...
- Publication number 20070272613
- Publication date Nov 29, 2007
- Bhupender S. Minhas
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Process for regenerating spent sulfuric acid
- Publication number 20060251570
- Publication date Nov 9, 2006
- CATALYTIC DISTILLATION TECHNOLOGIES
- Lawrence A. Smith
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Acid tolerant polymeric membrane and process for the recovery of ac...
- Publication number 20050173345
- Publication date Aug 11, 2005
- Bhupender S. Minhas
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for purifying spent acid
- Publication number 20050010064
- Publication date Jan 13, 2005
- Richard Wai-Chun Liu
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for the recovery of sulfuric acid using polymeric membranes
- Publication number 20040222157
- Publication date Nov 11, 2004
- Bhupender S. Minhas
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Process for removing tar from spent acid
- Publication number 20040210095
- Publication date Oct 21, 2004
- Rhodia Inc.
- Richard Wai-Chun Liu
- C07 - ORGANIC CHEMISTRY

Recovery from acid tar or the like

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for production of sulfuric acid from sulfur containing feeds...

Method for the manufacture of an ammonium sulfate composition

Extraction of ASO from spent sulfuric acid using liquid SO2

Acid tolerant polymeric membrane and process for the recovery of ac...

Acid tolerant polymeric membrane and process for the recovery of ac...

Process for regenerating spent sulfuric acid

Method for purifying spent acid

Process for removing tar from spent acid

Method for fluidizing tars

Method for fluidizing tars

Waste acid recovery

Process for removing organic phosphorous compounds and other impuri...

Extraction method

Integrated process using in situ regenerated sulfuric acid as catalyst

Process for purifying sulfuric acid

Recovery and regeneration of sulfuric acid

Process for purifying impure sulphuric acid

Methods for recovery of acids

Spent alkylation acid treatment process

Method of separation of sugars and concentrated sulfuric acid

Process for the recovery of sulfuric acid

Alkylation fluosulfonic-sulfuric acid catalyst recovery process wit...

3789902

3709807

3698858

3691252

3652708

3607035

3554697

3545519

Patents Applicationslast 30 patents

METHOD FOR PRODUCTION OF SULFURIC ACID FROM SULFUR CONTAINING FEEDS...

Method for the Manufacture of an Ammonium Sulfate Composition

EXTRACTION OF ASO FROM SPENT SULFURIC ACID USING LIQUID SO2

DECOMPOSITION OF SPENT SULFURIC ACID USING OXYGEN

Acid tolerant polymeric membrane and process for the recovery of ac...

Acid tolerant polymeric membrane and process for the recovery of ac...

Process for regenerating spent sulfuric acid

Acid tolerant polymeric membrane and process for the recovery of ac...

Method for purifying spent acid

Process for the recovery of sulfuric acid using polymeric membranes

Process for removing tar from spent acid