Hellin; Michel
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hellin; Michel.The latest application filed is for "process for producing gasoline of high octane number, in particular lead-free gasoline".
- Hellin; Michel - Andresy FR
| Patent | Date |
|---|---|
| Process for producing gasoline of high octane number, in particular lead-free gasoline Grant 4,270,929 - Dang Vu , et al. June 2, 1 | 1981-06-02 |
| Process for producing high octane gasoline and particularly lead-free gasoline Grant 4,268,701 - Dang Vu , et al. May 19, 1 | 1981-05-19 |
| Process for producing ethers by reacting olefins with alcohols Grant 4,267,393 - Torck , et al. May 12, 1 | 1981-05-12 |
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