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Virgil J. Barczak
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Oklahoma City, OK, US
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last 30 patents
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Patent Grant
Compacts of spray dried water soluble compounds
Patent number
5,108,726
Issue date
Apr 28, 1992
Kerr-McGee Chemical Corporation
Roger A. Baldwin
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for treating coal to reduce sulfur content in flue gases pr...
Patent number
4,702,899
Issue date
Oct 27, 1987
Kerr-McGee Coal Corporation
Virgil J. Barczak
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Reducing sulfur content in flue gases produced by coal combustion
Patent number
4,645,654
Issue date
Feb 24, 1987
Kerr-McGee Coal Corporation
Virgil J. Barczak
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of producing manganese sulfate solutions of improved purity
Patent number
4,483,828
Issue date
Nov 20, 1984
Kerr-McGee Chemical Corporation
William C. Laughlin
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for producing iron oxide weighting material from iron chlor...
Patent number
4,436,681
Issue date
Mar 13, 1984
Virgil J. Barczak
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES