Inventor

CHUNG DAVID Y

US31 patents

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

CHUNG DAVID Y

EXXON CHEMICAL PATENTS INC

Visosity index improver

Olefin polymer viscosity index improver additive useful in oil compositions

Multiple reaction process in melt processing equipment

Multiple reaction process in melt processing equipment

Mixed ethylene alpha olefin copolymer multifunctional viscosity modifiers useful in lube oil compositions

Stabilized grafted ethylene copolymer additive useful in oil compositions

Multifunctional viscosity index improver derived from polyamine containing one primary amine group and at least one tertiary amine group and degraded ethylene copolymer

Multifunctional viscosity index improver exhibitng improved low temperature viscometric properties

Viscosity index improver

Grafted viscosity index improver

End-capped multifunctional viscosity index improver

Ethylene copolymer viscosity index improver dispersant additive useful in oil compositions

Viscosity index improver-dispersant additive

Process for producing a functionalized thermoplastic polymer

Viscosity index improver

Multifunctional viscosity index improver for lubricating oil compositions

Multifunctional viscosity index improver derived from polyamine containing one primary amine group and at least one secondary amine group and degraded ethylene copolymer

Multifunctional viscosity index improver derived from polyamine containing one primary amino group and at least one secondary amino group exhibiting improved low temperature viscometric properties

Multifunctional viscosity index improver derived from amido-amine and degraded ethylene copolymer exhibiting improved low temperature viscometric properties

Multifunctional viscosity index improver derived from amido-amine exhibiting improved low temperature viscometric properties

Multifunctional viscosity index improver derived from amido-amine and degraded ethylene copolymer exhibiting improved low temperature viscometric properties

Multifunctional viscosity index improver derived from amido-amine and degraded ethylene copolymer exhibiting improved low temperature viscometric properties (PT-768)

Multifunctional viscosity index improver derived from amido-amine exhibiting improved low temperature viscometric properties

EXXONMOBIL CHEM PATENTS INC

Method and apparatus for decreasing polymer deposition

Butyl nanocomposite via low Mw elastomer pre-blend

Processable branched isoolefin-alkylstyrene elastomers

Process for polymerizing cationically polymerizable monomers

Polydispersity-controlled isoolefin polymerization with polymorphogenates

DOW CHEMICAL CO

Block copolymers of N,N-disubstituted acrylamides

EXXON RESEARCH ENGINEERING CO

Method for controlling viscosity of organic liquids and compositions

SHAFFER TIMOTHY D

Polydispersity-controlled isoolefin polymerization with polymorphogenates