Inventor

WANG HSIEN-CHANG

US71 patents

⚠️ This page may combine multiple inventors who share the name “WANG HSIEN-CHANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WANG HSIEN-CHANG

EXXON CHEMICAL PATENTS INC

Rubber toughened thermoplastic resin nano composites

Para-alkylstyrene/isoolefin copolymers and functionalized copolymers thereof

Silane grafted copolymers of an isomonoolefin and a vinyl aromatic monomer

Graft copolymers of para-alkylstyrene/isoolefin copolymers

Living carbocationic polymerization process

Thermoplastic blend containing engineering resin

Rubbery isoolefin polymers exhibiting improved processability

Intervulcanized elastomer blends

Para-alkylstyrene/isoolefin copolymers having substantially homogeneous compositional distribution

Process for selective bromination of para-alkylstyrene/isoolefin copolymers

Peroxide and radiation curable compositions containing isobutylenene copolymers having acrylate functionality

Impact modifier for polyamides containing an elastomer and a halogenated isoolefin copolymer7

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

Metal salts of acrylic or methacrylic acid as curatives for compositions containing halogenated isomonoolefin-para-aklylstyrene copolymers

Metalation and functionalization of polymers and copolymers

Interpolymer cures of blends comprising halogenated isoolefin/para-alkylstyrene elastomers and unsaturated elastomers

Production of rubbery isoolefin polymers

Tire innerliner comprising ester-functionalized elastomeric interpolymers of C4-C7 isomonoolefin and para-alkylstyrene

Method to control carbon black distribution in elastomer blends

Process for oxidative functionalization of polymers containing alkylstyrene

Intervulcanized elastomer blends

Para-alkylstyrene/isoolefin copolymers having substantially homogeneous compositional distribution

Alkenyl silane functionalization of alkylstyrene homopolyers and copolymers

Process for oxidative functionalization of polymers containing alkylstyrene

Propylene polymer compositions having improved impact strength

EXXONMOBIL CHEM PATENTS INC

Thermoplastic blend containing engineering resin

Oriented thermoplastic vulcanizate

Elastomeric blend for air barriers comprising grafted resin components

Isobutylene based elastomer blends having improved strength elasticity, and reduced permeability

Polymer blend compatibilization using isobutylene-based block copolymers II

Silane grafted copolymers of an alpha-olefin and a vinyl aromatic monomer

Butyl nanocomposite via low Mw elastomer pre-blend

Star-branched polymer with dendrimer core

Elastomeric blend for air barriers comprising grafted resin components

Rubber blends having improved stability and green strength

Phase transfer process with catalyst recovery

Cured rubber components for use with pharmaceutical devices

Thermoplastic blend

Isobutylene-based elastomer blends

Thermoplastic blend

Thermoplastic compositions for halogenated elastomers

EXXON MOBIL CHEM PATENTS INC

Thermoplastic blend

Star-branched polymer with dendrimer core

Triblock copolymers incorporating a styrene/isoolefin copolymer midblock

EXXON RESEARCH ENGINEERING CO

Tactoidal elastomer nanocomposites

Graft copolymers containing ionomer units

ADVANCED ELASTOMER SYSTEMS

Thermoplastic elastomer with polar and non-polar rubber components

Multiple component thermoplastic elastomer compositions

DOW CORNING

Polyisobutylene copolymers having reactive silyl grafts

EXXON CHEMICALS PATENT INC

Process for selective bromination of para-alkylstyrene/isoolefin copolymers