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Patents Grants
last 30 patents
Information
Patent Grant
Improvements in enrichment systems for isotopes of hydrogen and/or...
Patent number
4,788,051
Issue date
Nov 29, 1988
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
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
Process for separating high purity water
Patent number
4,714,525
Issue date
Dec 22, 1987
Deuterium Corporation
Jerome S. Spevack
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
Purification of geothermal steam containing boron, arsenic or mercury
Patent number
4,532,114
Issue date
Jul 30, 1985
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Utilization of impure steam and recovery of deuterium therefrom
Patent number
4,470,961
Issue date
Sep 11, 1984
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Apparatus for purifying a vaporizable liquid
Patent number
4,331,513
Issue date
May 25, 1982
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Contact method for multiphase processing
Patent number
4,255,410
Issue date
Mar 10, 1981
Deuterium Corporation
Jerome S. Spevack
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Dual temperature concentration system
Patent number
4,244,924
Issue date
Jan 13, 1981
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Apparatus for controlling emissions of hydrogen sulfide from a syst...
Patent number
4,242,305
Issue date
Dec 30, 1980
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Isotope enrichment systems
Patent number
4,221,774
Issue date
Sep 9, 1980
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Removal of sulfide contaminants from carbonate waters with producti...
Patent number
4,218,431
Issue date
Aug 19, 1980
Deuterium Corporation
Jerome S. Spevack
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for controlling environmental pollution from steam containi...
Patent number
4,202,864
Issue date
May 13, 1980
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Dual temperature exchange systems
Patent number
4,192,850
Issue date
Mar 11, 1980
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Thermal control in dual temperature systems
Patent number
4,192,847
Issue date
Mar 11, 1980
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process feed and effluent treatment systems
Patent number
4,172,116
Issue date
Oct 23, 1979
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Contact apparatus for multiphase processing
Patent number
4,128,406
Issue date
Dec 5, 1978
Deuterium Corporation
Jerome S. Spevack
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Utilization of impure steam contaminated with hydrogen sulfide
Patent number
4,123,506
Issue date
Oct 31, 1978
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process feed and effluent treatment systems
Patent number
4,121,913
Issue date
Oct 24, 1978
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Evaporation condensation systems
Patent number
4,112,062
Issue date
Sep 5, 1978
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Dual temperature exchange systems
Patent number
4,104,032
Issue date
Aug 1, 1978
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process feed and effluent treatment systems
Patent number
4,102,650
Issue date
Jul 25, 1978
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process feed and effluent treatment systems
Patent number
4,072,740
Issue date
Feb 7, 1978
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Contact apparatus for multiphase processing
Patent number
4,062,663
Issue date
Dec 13, 1977
Deuterium Corporation
Jerome S. Spevack
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for enrichment by dual temperature exchange
Patent number
4,047,905
Issue date
Sep 13, 1977
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Dual temperature exchange apparatus
Patent number
4,008,046
Issue date
Feb 15, 1977
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process feed and effluent treatment systems
Patent number
3,984,518
Issue date
Oct 5, 1976
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Thermal control in dual temperature systems
Patent number
3,940,473
Issue date
Feb 24, 1976
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Dual temperature system
Patent number
3,933,995
Issue date
Jan 20, 1976
Deuterium Corporation
Jerome S. Spevack
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73118197 - SULFEX
Serial number
73118197
Registration number
1183332
Filing date
Mar 7, 1977
Deuterium Corporation
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