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John C. Oppelt
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Bridgewater, NJ, US
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last 30 patents
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Patent Grant
Process for the preparation of substituted .beta.-ketoanilide compo...
Patent number
5,886,223
Issue date
Mar 23, 1999
American Cyanamid Company
John C. Oppelt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymeric pentaerythrityl phosphonates and their use as flame retar...
Patent number
RE30946
Issue date
May 25, 1982
American Cyanamid Company
Joseph A. Hoffman
524 - Synthetic resins or natural rubbers
Information
Patent Grant
Polymeric pentaerythrityl phosphonates and their use as flame retar...
Patent number
4,217,267
Issue date
Aug 12, 1980
American Cyanamid Company
Joseph A. Hoffman
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Light-stable polymer compositions and processes therefor
Patent number
4,152,321
Issue date
May 1, 1979
American Cyanamid Company
John C. Oppelt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Heterocyclicamides of hindered 3,5-dialkyl-4-hydroxybenzoic acids a...
Patent number
4,066,614
Issue date
Jan 3, 1978
American Cyanamid Company
John Christian Oppelt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
N-(2,2-dimethyl-6,6-di(lower alkyl)-4-piperidinyl)-amides of hinder...
Patent number
4,052,361
Issue date
Oct 4, 1977
American Cyanamid Company
Peter Vincent Susi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Ethanol- and substituted ethanolamides of hindered 3,5-dialkyl-4-hy...
Patent number
3,992,434
Issue date
Nov 16, 1976
American Cyanamid Company
John Christian Oppelt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Alkylamides of hindered 3,5-dialkyl-4-hydroxybenzoic acids and use...
Patent number
3,972,927
Issue date
Aug 3, 1976
American Cyanamid Company
Peter Vincent Susi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...