Leonard E. Stark

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Naperville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for controlling the manufacture of terephthali...
- Patent number 4,835,307
- Issue date May 30, 1989
- Amoco Corporation
- Harold A. Lindahl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Direct continuous flow integration of production and purification o...
- Patent number 4,675,438
- Issue date Jun 23, 1987
- Amoco Corporation
- Michael M. Schwartz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Apparatus for iso- or terephthalic acid production in and recovery...
- Patent number 4,185,073
- Issue date Jan 22, 1980
- Standard Oil Company (Indiana)
- David R. Marsh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Iso- or terephthalic acid production in and recovery from benzoic a...
- Patent number 4,081,464
- Issue date Mar 28, 1978
- Standard Oil Company
- David R. Marsh
- C07 - ORGANIC CHEMISTRY