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Chang M. Park
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Naperville, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Suppression of dust from solid aromatic anhydrides
Patent number
5,235,070
Issue date
Aug 10, 1993
Amoco Corporation
Michael R. Green
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
One step air oxidation of cyclohexane to produce adipic acid
Patent number
5,221,800
Issue date
Jun 22, 1993
Amoco Corporation
Chang-Man Park
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of trimellitic anhydride with improved c...
Patent number
5,124,461
Issue date
Jun 23, 1992
Amoco Corporation
Chang-Man Park
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of aromatic anhydrides and aromatic este...
Patent number
5,101,050
Issue date
Mar 31, 1992
Amoco Corporation
Chang M. Park
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for pseudocumene oxidation to trimellitic acid with mother...
Patent number
5,095,141
Issue date
Mar 10, 1992
Amoco Corporation
Wayne P. Schammel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of trimellitic anhydride with superior c...
Patent number
5,010,207
Issue date
Apr 23, 1991
Amoco Corporation
Chang M. Park
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for oxidation of alkyl aromatic compounds
Patent number
5,004,830
Issue date
Apr 2, 1991
Amoco Corporation
Chang M. Park
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Suppression of trimellitic anhydride dust
Patent number
4,946,970
Issue date
Aug 7, 1990
Amoco Corporation
Michael R. Green
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Lubricant overbased detergent-dispersants with improved solubility
Patent number
4,614,602
Issue date
Sep 30, 1986
Amoco Corporation
Joseph J. Valcho
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Preparation of highly based magnesium sulfonate
Patent number
4,474,710
Issue date
Oct 2, 1984
Standard Oil Company (Indiana)
Chang-Man Park
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production of fiber-grade terephthalic acid
Patent number
4,053,506
Issue date
Oct 11, 1977
Standard Oil Company (Indiana)
Chang-Man Park
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Separation of isomers by selective melting in an immiscible liquid
Patent number
3,963,795
Issue date
Jun 15, 1976
Standard Oil Company
George R. Wood
C07 - ORGANIC CHEMISTRY