Acid

Industry

CPC
Y10S159/19

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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 Y10S159/00Concentrating evaporators

Current Industry

Y10S159/19Acid

Industries

Patents Grantslast 30 patents

Information Patent Grant
Method for processing an etching mixture which is formed during the...
- Patent number 7,922,876
- Issue date Apr 12, 2011
- Wacker Chemie AG
- Hanns Wochner
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus and method for distilling waste liquids
- Patent number 7,232,504
- Issue date Jun 19, 2007
- Fujitsu Limited
- Hiroshi Osuda
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing concentrated nitric acid and installation for...
- Patent number 6,969,446
- Issue date Nov 29, 2005
- QVF Engineering GmbH
- Gottfried Dichtl
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus and method for distilling waste liquids
- Patent number 6,508,915
- Issue date Jan 21, 2003
- Fujitsu Limited
- Hiroshi Osuda
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method and apparatus for concentrating a solute in solution with a...
- Patent number 6,461,572
- Issue date Oct 8, 2002
- Advanced Cardiovascular Systems, Inc.
- Richard V. Calfee
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method to separate ethanol from a solution containing sulfuric acid...
- Patent number 6,432,276
- Issue date Aug 13, 2002
- Gene E Lightner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method and apparatus for concentrating a solute in solution with a...
- Patent number 6,391,149
- Issue date May 21, 2002
- Advanced Cardiovascular Systems, Inc.
- Richard V. Calfee
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the recovery of perfluorinated sulphonic acids from spe...
- Patent number 6,340,414
- Issue date Jan 22, 2002
- Haldor Topsoe A/S
- Sven Ivar Hommeltoft
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for upgrading used sulfuric acids
- Patent number 6,332,949
- Issue date Dec 25, 2001
- Bayer Aktiengesellschaft
- Heiko Beckhaus
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus and method for concentrating a dilute solution
- Patent number 6,290,820
- Issue date Sep 18, 2001
- Iowa State University Research Foundation, Inc.
- Michael J. Carden
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Dehydration of acetic acid by azeotropic distillation in the produc...
- Patent number 5,980,696
- Issue date Nov 9, 1999
- E. I. Du Pont de Nemours and Company
- William David Parten
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Recovery of anhydrous acids
- Patent number 5,873,981
- Issue date Feb 23, 1999
- The Dow Chemical Company
- Son T. Nguyen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for removing tetranitromethane from nitric acid
- Patent number 5,589,037
- Issue date Dec 31, 1996
- General Electric Company
- Thomas L. Guggenheim
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
High efficiency chemical processing
- Patent number 5,500,095
- Issue date Mar 19, 1996
- Athens Corporation
- Robert T. Shinagawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus for the continuous on-site chemical reprocessing of ultra...
- Patent number 5,354,428
- Issue date Oct 11, 1994
- Athens Corp.
- R. Scot Clark
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Vacuum distillation system utilizing loose polymer lining
- Patent number 5,246,549
- Issue date Sep 21, 1993
- John Heil
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for purifying crude hydrochloric acid
- Patent number 5,174,865
- Issue date Dec 29, 1992
- Dow Deutschland Inc.
- Jeff H. Stultz
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Sulfuric acid reprocessor with continuous purge of second distillat...
- Patent number 5,061,348
- Issue date Oct 29, 1991
- Alameda Instruments
- Marshall W. McCormick
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Sulfuric acid reprocessor
- Patent number 5,032,218
- Issue date Jul 16, 1991
- Alameda Instruments, Inc.
- Jesse C. Dobson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Distillation method and apparatus for reprocessing sulfuric acid
- Patent number 4,980,032
- Issue date Dec 25, 1990
- Alameda Instruments, Inc.
- Jesse C. Dobson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Processes for concentrating nitric acid
- Patent number 4,966,276
- Issue date Oct 30, 1990
- Alfred A. Guenkel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Hydrofluoric acid reprocessing for semiconductor standards
- Patent number 4,936,955
- Issue date Jun 26, 1990
- Alameda Instruments, Inc.
- Jesse Dobson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus for concentrating mineral acids
- Patent number 4,440,595
- Issue date Apr 3, 1984
- Aktiebolaget Bofors
- Hans Broberg
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Acid concentrating and recovery system
- Patent number 4,434,026
- Issue date Feb 28, 1984
- Mack Harris
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for working up nitric acid
- Patent number 4,344,827
- Issue date Aug 17, 1982
- Bayer Aktiengesellschaft
- Wolfgang Auge
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Evaporator for concentrating mineral acid, particularly sulphuric acid
- Patent number 4,274,910
- Issue date Jun 23, 1981
- Bayer Aktiengesellschaft
- Hansruedi Forter
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for concentrating and purifying aqueous sulphuric acid solu...
- Patent number 4,169,054
- Issue date Sep 25, 1979
- Montedison S.p.A.
- Franco Cappello
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Multi-stage apparatus for concentrating sulphuric acid
- Patent number 4,138,309
- Issue date Feb 6, 1979
- Hch. Bertrams Aktiengesellschaft
- Hans L. Kuhnlein
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for simultaneously concentrating and purifying phosphoric acid
- Patent number 4,086,069
- Issue date Apr 25, 1978
- Prorea S.A.
- Joseph Sergot
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the concentration of diluted salt-containing sulphuric...
- Patent number 3,992,247
- Issue date Nov 16, 1976
- Hoechst Aktiengesellschaft
- Kurt Bodenbenner
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PROCESSING AN ETCHING MIXTURE WHICH IS FORMED DURING THE...
- Publication number 20080053815
- Publication date Mar 6, 2008
- Wacker Chemie AG
- Hanns Wochner
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Apparatus and method for distilling waste liquids
- Publication number 20030079981
- Publication date May 1, 2003
- FUJITSU LIMITED
- Hiroshi Osuda
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for processing an etching mixture which is formed during the...

Apparatus and method for distilling waste liquids

Method for producing concentrated nitric acid and installation for...

Apparatus and method for distilling waste liquids

Method and apparatus for concentrating a solute in solution with a...

Method to separate ethanol from a solution containing sulfuric acid...

Method and apparatus for concentrating a solute in solution with a...

Process for the recovery of perfluorinated sulphonic acids from spe...

Method for upgrading used sulfuric acids

Apparatus and method for concentrating a dilute solution

Dehydration of acetic acid by azeotropic distillation in the produc...

Recovery of anhydrous acids

Method for removing tetranitromethane from nitric acid

High efficiency chemical processing

Apparatus for the continuous on-site chemical reprocessing of ultra...

Vacuum distillation system utilizing loose polymer lining

Process for purifying crude hydrochloric acid

Sulfuric acid reprocessor with continuous purge of second distillat...

Sulfuric acid reprocessor

Distillation method and apparatus for reprocessing sulfuric acid

Processes for concentrating nitric acid

Hydrofluoric acid reprocessing for semiconductor standards

Apparatus for concentrating mineral acids

Acid concentrating and recovery system

Process for working up nitric acid

Evaporator for concentrating mineral acid, particularly sulphuric acid

Process for concentrating and purifying aqueous sulphuric acid solu...

Multi-stage apparatus for concentrating sulphuric acid

Method for simultaneously concentrating and purifying phosphoric acid

Process for the concentration of diluted salt-containing sulphuric...

Patents Applicationslast 30 patents

METHOD FOR PROCESSING AN ETCHING MIXTURE WHICH IS FORMED DURING THE...

Apparatus and method for distilling waste liquids