de Vries; Louis
Patent Applications and Registrations
Patent applications and USPTO patent grants for de Vries; Louis.The latest application filed is for "antioxidant combinations of sulfur containing molybdenum complexes and organic sulfur compounds".
- de Vries; Louis - Greenbrae CA
| Patent | Date |
|---|---|
| Antioxidant combinations of sulfur containing molybdenum complexes and organic sulfur compounds Grant 4,395,343 - de Vries , et al. * July 26, 1 | 1983-07-26 |
| Process of preparing molybdenum complexes, the complexes so-produced and lubricants containing same Grant 4,272,387 - King , et al. * June 9, 1 | 1981-06-09 |
| Mannich base dispersant combination Grant 4,159,957 - de Vries July 3, 1 | 1979-07-03 |
| Lubricating Oil Additives Grant 3,850,826 - de Vries November 26, 1 | 1974-11-26 |
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