John E. Emma

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New City, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Certain triphenylphosphinimide derivatives
- Patent number 4,894,368
- Issue date Jan 16, 1990
- American Cyanamid Company
- Andrew S. Tomcufcik
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ester of (triarylphosphoranylidene)carbamic acid having diuretic an...
- Patent number 4,767,749
- Issue date Aug 30, 1988
- American Cyanamid Company
- Andrew S. Tomcufcik
- C07 - ORGANIC CHEMISTRY