Inventor · disambiguated record
Kenneth W. Powers
Also filed as: POWERS KENNETH W · POWERS KENNETH WILLIAM
33 granted patents·1,325 citations·filing 1971–2002
98Inventor score
Files withEXXON CHEMICAL PATENTS INC17EXXON RESEARCH ENGINEERING CO9EXXONMOBIL CHEM PATENTS INC4EXXON MOBIL CHEM PATENTS INC2EXXON CHEMICALS PATENT INC1
Top patents by PatentIndex Score
33 records- 0198US5162445APara-alkylstyrene/isoolefin copolymers and functionalized copolymers thereofEXXON CHEMICAL PATENTS INC·Filed 1989·Granted Nov 10, 1992·369 cites·59 claims
- 0297US5013793ADynamically cured thermoplastic olefin polymers and process for producing the sameEXXON CHEMICAL PATENTS INC·Filed 1990·Granted May 7, 1991·138 cites·34 claims
- 0395US6013727AThermoplastic blend containing engineering resinEXXON CHEMICAL PATENTS INC·Filed 1991·Granted Jan 11, 2000·61 cites·28 claims
- 0495US4074035AHalomethylated aromatic interpolymersEXXON RESEARCH ENGINEERING CO·Filed 1975·Granted Feb 14, 1978·82 cites·2 claims
- 0592US6346571B1Thermoplastic blend containing engineering resinEXXONMOBIL CHEM PATENTS INC·Filed 1999·Granted Feb 12, 2002·55 cites·28 claims
- 0692US3948868AHomogeneous styrene/isoolefin copolymersEXXON RESEARCH ENGINEERING CO·Filed 1971·Granted Apr 6, 1976·43 cites·11 claims
- 0791US5071913ARubbery isoolefin polymers exhibiting improved processabilityEXXON CHEMICAL PATENTS INC·Filed 1987·Granted Dec 10, 1991·64 cites·27 claims
- 0891US4474924AStabilized slurries of isoolefin polymersEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Oct 2, 1984·52 cites·39 claims
- 0986US3932371AProcess for preparing low bulk viscosity polymersEXXON RESEARCH ENGINEERING CO·Filed 1973·Granted Jan 13, 1976·29 cites·9 claims
- 1085US6444768B1Production of polyisobutylene copolymersEXXONMOBIL CHEM PATENTS INC·Filed 2000·Granted Sep 3, 2002·21 cites·20 claims
- 1185US5548029AGraft copolymers of para-alkylstyrene/isoolefin copolymersEXXON CHEMICAL PATENTS INC·Filed 1995·Granted Aug 20, 1996·45 cites·45 claims
- 1285US5426167APara-alkylstyrene/isoolefin copolymers having substantially homogeneous compositional distributionEXXON CHEMICAL PATENTS INC·Filed 1994·Granted Jun 20, 1995·36 cites·4 claims
- 1383US5182333AProduction of rubbery isoolefin polymersEXXON CHEMICAL PATENTS INC·Filed 1991·Granted Jan 26, 1993·41 cites·19 claims
- 1480US5959049AProcess for selective bromination of para-alkylstyrene/isoolefin copolymersEXXON CHEMICAL PATENTS INC·Filed 1997·Granted Sep 28, 1999·32 cites·15 claims
- 1579US5286804AHalogenation of star-branched butyl rubber with improved neutralizationEXXON CHEMICAL PATENTS INC·Filed 1991·Granted Feb 15, 1994·36 cites·18 claims
- 1678US5244961AThermoplastic compositions and process for preparing the sameEXXON CHEMICAL PATENTS INC·Filed 1991·Granted Sep 14, 1993·26 cites·19 claims
- 1774US4245060AFunctional group containing cyclic diolefin butyl rubbersEXXON RESEARCH ENGINEERING CO·Filed 1978·Granted Jan 13, 1981·16 cites·35 claims
- 1871US5453465AProcess for preparing thermoplastic compositionsEXXON CHEMICAL PATENTS INC·Filed 1993·Granted Sep 26, 1995·20 cites·4 claims
- 1970US6620898B2Production of polyisobutylene copolymersEXXONMOBIL CHEM PATENTS INC·Filed 2002·Granted Sep 16, 2003·8 cites·31 claims
- 2069US5548023AGraft copolymers of para-alkylstyrene/isoolefin copolymers as blend compatibilizersEXXON CHEMICAL PATENTS INC·Filed 1995·Granted Aug 20, 1996·23 cites·16 claims
- 2168US5656694AInterpolymer cures of blends comprising halogenated isoolefin/para-alkylstyrene elastomers and unsaturated elastomersEXXON CHEMICAL PATENTS INC·Filed 1995·Granted Aug 12, 1997·26 cites·24 claims
- 2265US5654379AProcess for selective bromination of para-alkylstyrene/isoolefin copolymersEXXON CHEMICALS PATENT INC·Filed 1995·Granted Aug 5, 1997·28 cites·11 claims
- 2363US5430118APara-alkylstyrene/isoolefin copolymers having substantially homogeneous compositional distributionEXXON CHEMICAL PATENTS INC·Filed 1994·Granted Jul 4, 1995·18 cites·11 claims
- 2459US4228254AFunctional group containing cyclic diolefin butyl rubbersEXXON RESEARCH ENGINEERING CO·Filed 1978·Granted Oct 14, 1980·9 cites·7 claims
- 2557US5369182AImpact modification of polyamidesEXXON CHEMICAL PATENTS INC·Filed 1994·Granted Nov 29, 1994·11 cites·9 claims
- 2657US4252710AStabilized slurries of isoolefin polymersEXXON RESEARCH ENGINEERING CO·Filed 1979·Granted Feb 24, 1981·10 cites·34 claims
- 2750US4780513AModified Lewis acid catalyzed polymerizationEXXON RESEARCH ENGINEERING CO·Filed 1986·Granted Oct 25, 1988·9 cites·17 claims
- 2848US6939933B2Process for polymerizing cationically polymerizable monomersEXXONMOBIL CHEM PATENTS INC·Filed 2001·Granted Sep 6, 2005·2 cites·27 claims
- 2947US4358560AStabilized slurries of isoolefin polymersEXXON RESEARCH ENGINEERING CO·Filed 1981·Granted Nov 9, 1982·12 cites·18 claims
- 3044US6372858B1Solid nucleophilic reagent for conversion of benzylic halogen functionality on polymers to other functionalitiesEXXON MOBIL CHEM PATENTS INC·Filed 2000·Granted Apr 16, 2002·0 cites·6 claims
- 3135US5182350AOzone-resistant butyl elastomerEXXON CHEMICAL PATENTS INC·Filed 1990·Granted Jan 26, 1993·2 cites·20 claims
- 3233US6156810ASolid nucleophilic reagent for conversion of benzylic halogen functionality on polymers to other functionalitiesEXXON CHEMICAL PATENTS INC·Filed 1997·Granted Dec 5, 2000·1 cites·6 claims
- 3330US6303691B1Impact modification of polyamidesEXXON MOBIL CHEM PATENTS INC·Filed 1993·Granted Oct 16, 2001·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →