Inventor · disambiguated record
Louis De Vries
Also filed as: DE VRIES LOUIS
10 granted patents·402 citations·filing 1975–1981
90Inventor score
Files withCHEVRON RES10
Top patents by PatentIndex Score
10 records- 0198US4272387AProcess of preparing molybdenum complexes, the complexes so-produced and lubricants containing sameCHEVRON RES·Filed 1979·Granted Jun 9, 1981·261 cites·13 claims
- 0295US4395343AAntioxidant combinations of sulfur containing molybdenum complexes and organic sulfur compoundsCHEVRON RES·Filed 1981·Granted Jul 26, 1983·87 cites·16 claims
- 0370US4159957AMannich base dispersant combinationCHEVRON RES·Filed 1978·Granted Jul 3, 1979·17 cites·8 claims
- 0456US4159958ASuccinate dispersant combinationCHEVRON RES·Filed 1978·Granted Jul 3, 1979·10 cites·8 claims
- 0548US4159956ASuccinimide dispersant combinationCHEVRON RES·Filed 1978·Granted Jul 3, 1979·7 cites·8 claims
- 0648US4116873ALubricating oil composition containing Group I or Group II metal or lead sulfonatesCHEVRON RES·Filed 1976·Granted Sep 26, 1978·7 cites·35 claims
- 0743US4159959AThiophosphonate dispersant combinationCHEVRON RES·Filed 1978·Granted Jul 3, 1979·3 cites·6 claims
- 0841US4122266AReaction of aryl sulfonic acid ester and aminesCHEVRON RES·Filed 1975·Granted Oct 24, 1978·5 cites·3 claims
- 0937US4269790AHydrocarbylethyl sulfonyl fluorideCHEVRON RES·Filed 1979·Granted May 26, 1981·3 cites·4 claims
- 1032US4005072AOil-soluble aziridinyl urea compounds as lubricating oil detergentsCHEVRON RES·Filed 1975·Granted Jan 25, 1977·2 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Louis De Vries files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →