Inventor · disambiguated record
John W. Frankenfeld
Also filed as: FRANKENFELD JOHN W
7 granted patents·88 citations·filing 1974–1994
85Inventor score
Files withEXXON RESEARCH ENGINEERING CO7
Top patents by PatentIndex Score
7 records- 0175US3970759AAliphatic diols as preservatives for cosmetics and related productsEXXON RESEARCH ENGINEERING CO·Filed 1974·Granted Jul 20, 1976·35 cites·5 claims
- 0270US5490946AAshless benzotriazole-thiadiazol compounds as anti-oxidant, anti-wear and friction modifiers in lubricants and the lubricants containing such compoundsEXXON RESEARCH ENGINEERING CO·Filed 1994·Granted Feb 13, 1996·17 cites·20 claims
- 0360US4869838ABis imidazole ethers as metal deactivatorsEXXON RESEARCH ENGINEERING CO·Filed 1988·Granted Sep 26, 1989·5 cites·9 claims
- 0457US5076946AAlkylamine substituted benzotriazole containing lubricants having improved oxidation stability and rust inhibition (PNE-530)EXXON RESEARCH ENGINEERING CO·Filed 1990·Granted Dec 31, 1991·15 cites·16 claims
- 0553US4997585AAromatic substituted benzotriazole containing lubricants having improved oxidation stabilityEXXON RESEARCH ENGINEERING CO·Filed 1990·Granted Mar 5, 1991·9 cites·26 claims
- 0641US4634550APour depressantEXXON RESEARCH ENGINEERING CO·Filed 1985·Granted Jan 6, 1987·5 cites·8 claims
- 0724US4532027AMethod for improving the stability of shale oilEXXON RESEARCH ENGINEERING CO·Filed 1984·Granted Jul 30, 1985·2 cites·5 claims
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