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Y10S423/19
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GENERAL 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
Y10
USPC classification
Y10S
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S423/00
Chemistry of inorganic compounds
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Y10S423/19
Geothermal steam purification
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Patents Grants
last 30 patents
Information
Patent Grant
Desulforization method and desulfurization apparatus in geothermal...
Patent number
6,068,822
Issue date
May 30, 2000
Mitsubishi Heavy Industries, Ltd.
Shinichiro Kotake
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for controlling nitrogen dioxide and/or ammonia emissions f...
Patent number
5,622,632
Issue date
Apr 22, 1997
Union Oil Company of California
Darrell L. Gallup
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Method to treat geothermal fluid streams
Patent number
5,364,439
Issue date
Nov 15, 1994
Union Oil Company of California
Darrell L. Gallup
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Method of extracting zinc from brines
Patent number
5,358,700
Issue date
Oct 25, 1994
Cyprus Power Company
Patrick M. Brown
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of extracting zinc from brines
Patent number
5,246,684
Issue date
Sep 21, 1993
Cyprus Power Company
Patrick M. Brown
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of extracting zinc lead and silver from brines
Patent number
5,244,491
Issue date
Sep 14, 1993
Cyprus Power Company
Patrick M. Brown
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Boron recovery from geothermal brines
Patent number
5,236,491
Issue date
Aug 17, 1993
BHP Minerals International Inc.
Willem P. C. Duyvesteyn
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for treating ammonia and nitrite containing waters to reduc...
Patent number
5,182,027
Issue date
Jan 26, 1993
Union Oil Company of California
Darrell L. Gallup
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for treating nitrite-and sulfide-containing water to reduce...
Patent number
5,167,834
Issue date
Dec 1, 1992
Union Oil Company of California
Darrell L. Gallup
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Brine treatment
Patent number
5,145,656
Issue date
Sep 8, 1992
Union Oil Company of California
Darrell L. Gallup
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Treatment of brine
Patent number
5,145,515
Issue date
Sep 8, 1992
Union Oil Company of California
Darrell L. Gallup
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Recovery of precious metals from aqueous media
Patent number
5,082,492
Issue date
Jan 21, 1992
Union Oil Company of California
Darrell L. Gallup
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Process for treating condensate of steam derived from geothermal brine
Patent number
5,061,373
Issue date
Oct 29, 1991
Union Oil Company of California
Darrell L. Gallup
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Hydrogen sulfide abating cooling toner
Patent number
5,057,292
Issue date
Oct 15, 1991
Frank R. Monticelli
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for treating ammonia and nitrite containing waters to preve...
Patent number
5,032,284
Issue date
Jul 16, 1991
Union Oil Company of California
Darrell L. Gallup
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Integrated system for pollution abatement and energy derivation fro...
Patent number
4,968,488
Issue date
Nov 6, 1990
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Contaminant abatement process for geothermal power plant effluents
Patent number
4,967,559
Issue date
Nov 6, 1990
Sai Engineers, Inc.
Hugh F. Johnston
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Removal of hydrogen sulfide with on site generated sulfite from geo...
Patent number
4,960,575
Issue date
Oct 2, 1990
The Dow Chemical Company
Stephen A. Bedell
E21 - EARTH DRILLING MINING
Information
Patent Grant
H.sub.2 S abatement in geothermal steam during stacking operations
Patent number
4,960,576
Issue date
Oct 2, 1990
The Dow Chemical Company
Stephen A. Bedell
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Apparatus and method for treating geothermal steam which contains h...
Patent number
4,844,162
Issue date
Jul 4, 1989
Union Oil Company of California
Brian W. Maassen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Utilization of impure steam with extraction of one or more contamin...
Patent number
4,774,066
Issue date
Sep 27, 1988
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Recovery of silver-containing scales from aqueous media
Patent number
4,756,888
Issue date
Jul 12, 1988
Union Oil Company of California
Darrell L. Gallup
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for reducing the concentration of heavy metals in geotherma...
Patent number
4,710,367
Issue date
Dec 1, 1987
Union Oil Co. of California
Morton M. Wong
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Drilling geothermal wells with removal of H.sub.2 S
Patent number
4,696,802
Issue date
Sep 29, 1987
The Dow Chemical Company
Stephen A. Bedell
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for removal of H.sub.2 S from geothermal steam and the conv...
Patent number
4,614,644
Issue date
Sep 30, 1986
The Dow Chemical Company
Robert D. Lampton
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Apparatus for utilizing impure steam with extraction of one or more...
Patent number
4,596,698
Issue date
Jun 24, 1986
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Removal of hydrogen sulfide from geothermal steam
Patent number
4,574,076
Issue date
Mar 4, 1986
FMC Corporation
Harry M. Castrantas
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Oxidation of sulfides in polymer-thickened aqueous solution
Patent number
4,552,668
Issue date
Nov 12, 1985
FMC Corporation
Richard A. Brown
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Purifying geothermal steam
Patent number
4,528,817
Issue date
Jul 16, 1985
The Dow Chemical Company
Robert T. Jernigan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Inhibiting scale precipitation from high temperature brine
Patent number
4,500,434
Issue date
Feb 19, 1985
Union Oil Company of California
John W. Jost
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents