Kenneth W. Powers

Person

Berkeley Heights, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for polymerizing cationically polymerizable monomers
- Patent number 6,939,933
- Issue date Sep 6, 2005
- ExxonMobil Chemical Patents Inc.
- Robert N. Webb
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production of polyisobutylene copolymers
- Patent number 6,620,898
- Issue date Sep 16, 2003
- ExxonMobil Chemical Patents Inc.
- Robert N. Webb
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production of polyisobutylene copolymers
- Patent number 6,444,768
- Issue date Sep 3, 2002
- ExxonMobil Chemical Patents Inc.
- Robert N. Webb
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Solid nucleophilic reagent for conversion of benzylic halogen funct...
- Patent number 6,372,858
- Issue date Apr 16, 2002
- Exxon Mobil Chemical Patents Inc.
- Chia S. Chee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermoplastic blend containing engineering resin
- Patent number 6,346,571
- Issue date Feb 12, 2002
- ExxonMobil Chemical Patents Inc.
- Narayanaswami Raja Dharmarajan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Impact modification of polyamides
- Patent number 6,303,691
- Issue date Oct 16, 2001
- Exxon Mobil Chemical Patents Inc.
- Thomas Chen-chi Yu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Solid nucleophilic reagent for conversion of benzylic halogen funct...
- Patent number 6,156,810
- Issue date Dec 5, 2000
- Exxon Chemical Patents, Inc.
- Chia S. Chee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermoplastic blend containing engineering resin
- Patent number 6,013,727
- Issue date Jan 11, 2000
- Exxon Chemical Patents, Inc.
- Narayanaswami Raja Dharmarajan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for selective bromination of para-alkylstyrene/isoolefin co...
- Patent number 5,959,049
- Issue date Sep 28, 1999
- Exxon Chemical Patents Inc.
- Kenneth William Powers
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Interpolymer cures of blends comprising halogenated isoolefin/para-...
- Patent number 5,656,694
- Issue date Aug 12, 1997
- Exxon Chemical Patents Inc.
- Jean M. J. Frechet
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for selective bromination of para-alkylstyrene/isoolefin co...
- Patent number 5,654,379
- Issue date Aug 5, 1997
- Exxon Chemicals Patent, Inc.
- Kenneth William Powers
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Graft copolymers of para-alkylstyrene/isoolefin copolymers
- Patent number 5,548,029
- Issue date Aug 20, 1996
- Exxon Chemical Patents Inc.
- Kenneth W. Powers
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Graft copolymers of para-alkylstyrene/isoolefin copolymers as blend...
- Patent number 5,548,023
- Issue date Aug 20, 1996
- Exxon Chemical Patents, Inc.
- Kenneth W. Powers
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing thermoplastic compositions
- Patent number 5,453,465
- Issue date Sep 26, 1995
- Exxon Chemical Patents Inc.
- Thomas C. Yu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Para-alkylstyrene/isoolefin copolymers having substantially homogen...
- Patent number 5,430,118
- Issue date Jul 4, 1995
- Exxon Chemical Patents Inc.
- Kenneth W. Powers
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Para-alkylstyrene/isoolefin copolymers having substantially homogen...
- Patent number 5,426,167
- Issue date Jun 20, 1995
- Exxon Chemical Patents Inc.
- Kenneth W. Powers
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Impact modification of polyamides
- Patent number 5,369,182
- Issue date Nov 29, 1994
- Exxon Chemical Patents Inc.
- Thomas C. Yu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Halogenation of star-branched butyl rubber with improved neutraliza...
- Patent number 5,286,804
- Issue date Feb 15, 1994
- Exxon Chemical Patents Inc.
- Kenneth W. Powers
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermoplastic compositions and process for preparing the same
- Patent number 5,244,961
- Issue date Sep 14, 1993
- Exxon Chemical Patents Inc.
- Thomas C. Yu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ozone-resistant butyl elastomer
- Patent number 5,182,350
- Issue date Jan 26, 1993
- Exxon Chemical Patents Inc.
- James V. Fusco
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production of rubbery isoolefin polymers
- Patent number 5,182,333
- Issue date Jan 26, 1993
- Exxon Chemical Patents Inc.
- Kenneth W. Powers
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Para-alkylstyrene/isoolefin copolymers and functionalized copolymer...
- Patent number 5,162,445
- Issue date Nov 10, 1992
- Exxon Chemical Patents Inc.
- Kenneth W. Powers
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Rubbery isoolefin polymers exhibiting improved processability
- Patent number 5,071,913
- Issue date Dec 10, 1991
- Exxon Chemical Patents Inc.
- Kenneth W. Powers
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Dynamically cured thermoplastic olefin polymers and process for pro...
- Patent number 5,013,793
- Issue date May 7, 1991
- Exxon Chemical Patents Inc.
- Hsien C. Wang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Modified Lewis acid catalyzed polymerization
- Patent number 4,780,513
- Issue date Oct 25, 1988
- Exxon Research and Engineering Co.
- Kenneth W. Powers
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Stabilized slurries of isoolefin polymers
- Patent number 4,474,924
- Issue date Oct 2, 1984
- Exxon Research and Engineering Co.
- Kenneth W. Powers
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Stabilized slurries of isoolefin polymers
- Patent number 4,358,560
- Issue date Nov 9, 1982
- Exxon Research and Engineering Co.
- Kenneth W. Powers
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Stabilized slurries of isoolefin polymers
- Patent number 4,252,710
- Issue date Feb 24, 1981
- Exxon Research and Engineering Co.
- Kenneth W. Powers
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Functional group containing cyclic diolefin butyl rubbers
- Patent number 4,245,060
- Issue date Jan 13, 1981
- Exxon Research and Engineering Co.
- Kenneth W. Powers
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Functional group containing cyclic diolefin butyl rubbers
- Patent number 4,228,254
- Issue date Oct 14, 1980
- Exxon Research and Engineering Co.
- Kenneth W. Powers
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Process for polymerizing cationically polymerizable monomers
- Publication number 20040054103
- Publication date Mar 18, 2004
- Robert N. Webb
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Production of polyisobutylene copolymers
- Publication number 20020173612
- Publication date Nov 21, 2002
- Robert N. Webb
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Kenneth W. Powers

Person

Patents Grantslast 30 patents

Process for polymerizing cationically polymerizable monomers

Production of polyisobutylene copolymers

Production of polyisobutylene copolymers

Solid nucleophilic reagent for conversion of benzylic halogen funct...

Thermoplastic blend containing engineering resin

Impact modification of polyamides

Solid nucleophilic reagent for conversion of benzylic halogen funct...

Thermoplastic blend containing engineering resin

Process for selective bromination of para-alkylstyrene/isoolefin co...

Interpolymer cures of blends comprising halogenated isoolefin/para-...

Process for selective bromination of para-alkylstyrene/isoolefin co...

Graft copolymers of para-alkylstyrene/isoolefin copolymers

Graft copolymers of para-alkylstyrene/isoolefin copolymers as blend...

Process for preparing thermoplastic compositions

Para-alkylstyrene/isoolefin copolymers having substantially homogen...

Para-alkylstyrene/isoolefin copolymers having substantially homogen...

Impact modification of polyamides

Halogenation of star-branched butyl rubber with improved neutraliza...

Thermoplastic compositions and process for preparing the same

Ozone-resistant butyl elastomer

Production of rubbery isoolefin polymers

Para-alkylstyrene/isoolefin copolymers and functionalized copolymer...

Rubbery isoolefin polymers exhibiting improved processability

Dynamically cured thermoplastic olefin polymers and process for pro...

Modified Lewis acid catalyzed polymerization

Stabilized slurries of isoolefin polymers

Stabilized slurries of isoolefin polymers

Stabilized slurries of isoolefin polymers

Functional group containing cyclic diolefin butyl rubbers

Functional group containing cyclic diolefin butyl rubbers

Patents Applicationslast 30 patents

Process for polymerizing cationically polymerizable monomers

Production of polyisobutylene copolymers