Inventor · disambiguated record
Robert T. Biggs
Also filed as: BIGGS ROBERT T · BIGGS ROBERT THOMAS
10 granted patents·126 citations·filing 1989–1994
90Inventor score
Top patents by PatentIndex Score
10 records- 0180US5094766ADispersant-antioxidant viscosity index improverTEXACO INC·Filed 1990·Granted Mar 10, 1992·30 cites·33 claims
- 0276US5942471ADispersant and antioxidant VI improvers based on olefin copolymers containing phenothiazine and aromatic amine groupsETHYL CORP·Filed 1992·Granted Aug 24, 1999·25 cites·7 claims
- 0373US5356999AMultifunctional viscosity index improvers based on polymers containing sulfonamidesTEXACO INC·Filed 1990·Granted Oct 18, 1994·23 cites·4 claims
- 0465US5424366AMultifunctional viscosity index improver containing phenothiazineTEXACO INC·Filed 1994·Granted Jun 13, 1995·13 cites·8 claims
- 0549US5021177ADispersant-antioxidant multifunctional viscosity index improverTEXACO INC·Filed 1990·Granted Jun 4, 1991·9 cites·16 claims
- 0648US5374364AMultifunction viscosity index improversTEXACO INC·Filed 1993·Granted Dec 20, 1994·8 cites·11 claims
- 0746US5200100AMultifunctional viscosity index improver containing phenothiazineTEXACO INC·Filed 1991·Granted Apr 6, 1993·5 cites·7 claims
- 0845US5275746AMultifunctional viscosity index improver containing phenothiazineTEXACO INC·Filed 1990·Granted Jan 4, 1994·6 cites·8 claims
- 0938US4948524ADispersant anti-oxidant VI improver and lubricating oil composition containing sameTEXACO INC·Filed 1989·Granted Aug 14, 1990·5 cites·21 claims
- 1032US5135671AMultifunctional viscosity index improver containing units from unsaturated chlorides and aromatic aminesTEXACO INC·Filed 1991·Granted Aug 4, 1992·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →