Inventor · disambiguated record
Tristram W. Bethea
Also filed as: BETHEA TRISTRAM W · BETHEA TRISTRAM WALKER
7 granted patents·207 citations·filing 1976–1998
87Inventor score
Top patents by PatentIndex Score
7 records- 0193US5268439ATin containing elastomers and products having reduced hysteresis propertiesBRIDGESTONE FIRESTONE INC·Filed 1991·Granted Dec 7, 1993·113 cites·26 claims
- 0278US4071492APolyurethane-urea elastomers based on propylene oxide-tetrahydrofuran copolymersFIRESTONE TIRE & RUBBER CO·Filed 1976·Granted Jan 31, 1978·25 cites·18 claims
- 0365US5877336ASynthesis of tributyltin lithiumBRIDGESTONE CORP·Filed 1996·Granted Mar 2, 1999·19 cites·20 claims
- 0460US4356286AThermoplastic elastomer blends of a nitrile rubber and a crystalline polyamide mixtureFIRESTONE TIRE & RUBBER CO·Filed 1981·Granted Oct 26, 1982·16 cites·6 claims
- 0559US4299993AMethod for increasing the primary hydroxyl end groups in polyethersFIRESTONE TIRE & RUBBER CO·Filed 1980·Granted Nov 10, 1981·13 cites·15 claims
- 0656US5955553AMolecular weight regulation of cis-1,4-polybutadiene using carboxylatesBRIDGESTONE CORP·Filed 1998·Granted Sep 21, 1999·12 cites·13 claims
- 0754US4814411AIncreased reactivity of isocyanate terminated polyether prepolymers with metal halide salt complexes of methylenedianilineFIRESTONE TIRE & RUBBER CO·Filed 1988·Granted Mar 21, 1989·9 cites·33 claims
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