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Marvin C. Fields
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Pittsburgh, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Purification of neopentyl glycol
Patent number
4,935,555
Issue date
Jun 19, 1990
Carole L. Elias
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Purifying cumene hydroperoxide
Patent number
4,654,124
Issue date
Mar 31, 1987
Aristech Chemical Corporation
Carole L. Elias
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Manufacture of diphenylamine
Patent number
4,454,348
Issue date
Jun 12, 1984
United States Steel Corporation
John E. Aiken
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Removal of iron compounds from organic process streams
Patent number
4,370,240
Issue date
Jan 25, 1983
United States Steel Corporation
George L. Brownell
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Gas preparation
Patent number
4,106,917
Issue date
Aug 15, 1978
United States Steel Corporation
Marvin C. Fields
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Low temperature carbonization and desulfurization of coal under ele...
Patent number
4,104,129
Issue date
Aug 1, 1978
United States Steel Corporation
Marvin C. Fields
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...