Wilkes; John B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wilkes; John B..The latest application filed is for "process of prolonging the life of ester hydrogenation catalyst".
- Wilkes; John B. - Richmond CA
| Patent | Date |
|---|---|
| Process of prolonging the life of ester hydrogenation catalyst Grant 4,366,333 - Wilkes December 28, 1 | 1982-12-28 |
| Hydrogenation process Grant 4,283,581 - Wilkes August 11, 1 | 1981-08-11 |
| Hydrogenation catalyst Grant 4,199,479 - Wilkes April 22, 1 | 1980-04-22 |
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