Joel J. Stark

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Bartlesville, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Gamma-butyrolactone production catalyst
- Patent number 5,086,030
- Issue date Feb 4, 1992
- Phillips Petroleum Company
- Geir Bjornson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Gamma-butyrolactone production process and catalyst therefor
- Patent number 4,968,818
- Issue date Nov 6, 1990
- Phillips Petroleum Company
- Geir Bjornson
- C07 - ORGANIC CHEMISTRY