Shen; Sidney Y.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Shen; Sidney Y..The latest application filed is for "process for producing lubrication oil of high viscosity index".
- Shen; Sidney Y. - Cypress TX
- Shen; Sidney Y. - Hacienda Heights CA
| Patent | Date |
|---|---|
| Process for producing lubrication oil of high viscosity index Grant 4,744,884 - Moorehead , et al. May 17, 1 | 1988-05-17 |
| Process for producing lubrication oil of high viscosity index from shale oils Grant 4,699,707 - Moorehead , et al. October 13, 1 | 1987-10-13 |
| Lubricating oil compositions containing organometallic additives Grant 4,655,949 - Landry , et al. April 7, 1 | 1987-04-07 |
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