Inventor · disambiguated record
Phillip W. Brewster
Also filed as: BREWSTER PHILLIP W
6 granted patents·232 citations·filing 1984–1994
85Inventor score
Top patents by PatentIndex Score
6 records- 0192US4693838AMultifunctional viscosity index improverEXXON CHEMICAL PATENTS INC·Filed 1985·Granted Sep 15, 1987·104 cites·44 claims
- 0290US4683069AGlycerol esters as fuel economy additivesEXXON RESEARCH ENGINEERING CO·Filed 1984·Granted Jul 28, 1987·69 cites·4 claims
- 0379US4707285AHaze-free polymer additives for fuels and lubricantsEXXON RESEARCH ENGINEERING CO·Filed 1987·Granted Nov 17, 1987·32 cites·12 claims
- 0464US5391309AMethod of preparing high dropping point lithium complex soap greasesEXXON RESEARCH ENGINEERING CO·Filed 1994·Granted Feb 21, 1995·19 cites·9 claims
- 0541US4734213AHaze-free polymer additives for fuels and lubricantsEXXON RESEARCH ENGINEERING CO·Filed 1987·Granted Mar 29, 1988·7 cites·3 claims
- 0627US4822503AMethod of manufacturing an improved multi-grade lubricating greaseEXXON RESEARCH ENGINEERING CO·Filed 1987·Granted Apr 18, 1989·1 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →