David S. Barmby

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Patents Grantslast 30 patents

Information Patent Grant
Crystalline alumino-silicate zeolites containing polyvalent metal c...
- Patent number 4,300,015
- Issue date Nov 10, 1981
- Sun Oil Company of Pennsylvania
- Francis W. Kirsch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Regeneration of vanadium-bronze ammoxidation catalyst
- Patent number 3,987,080
- Issue date Oct 19, 1976
- Sun Ventures, Inc.
- David S. Barmby
- C07 - ORGANIC CHEMISTRY