Inventor

CHUANG JUI-CHANG

US55 patents

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

CHUANG JUI-CHANG

ISP INVESTMENTS INC

Colorless, non-toxic, stabilized aqueous solution of a C1-C5 alkyl vinyl ether and maleic acid copolymers

Cosmetic compositions containing strongly swellable, moderately crosslinked polyvinylpyrrolidone

Pharmaceutical tablet with PVP having enhanced drug dissolution rate

Non-aqueous, heterogeneous polymerization process and reaction product obtained thereby

Vinyl amide polymer delivery system for hair and skin treating compositions

Inverse emulsion crosslinked polyacrylic acid of controlled pH

Method for preventing or retarding the formation of gas hydrates

Process for making vinyl caprolactam-based polymers

Method for preventing or retarding the formation of gas hydrates

Controlled-release, drug-delivery composition

Fixative polymers

Clear, homogenized, flowable hydrogel of crosslinked N-vinyl lactam polymer

Aqueous stable complex of a strongly swellable, moderately crosslinked polyvinylpyrrolidone and hydrogen peroxide

Strongly swellable, moderately crosslinked polyvinylpyrrolidone

Conditioning/styling tetrapolymers

Non-irritating skin and hair rejuvenating compostion having a pH between 1 and 6.5

Method for preventing or retarding the formulation of gas hydrates

Method of making crosslinked PVP

Corrosion inhibition during transport of water and a hydrocarbon through a pipeline

Process for making a cosmetically or pharmaceutically-acceptable emulsion or gel composition

Process for making polyvinylpyrrolidone polymer having predetermined characteristics

Emulsion polymerization composition

Lactam-containing emulsifier systems for water-in-oil emulsion polymers

Controlled release tablets including strongly swellable, moderately crosslinked polyvinylpyrrolidone

Process for rendering amino-group-containing polymer solutions substantially odorless

Stabilized aqueous solution of a C1 -C5 alkyl vinyl ether and maleic acid copolymer

Crosslinkable, functional polymers of vinylpyrrolidone and aminoalkyl acrylamides

Lactam-containing emulsifier systems for water-in-oil emulsion polymers

Hair spray resin composition

Hair fixative polymers

Multifunctional polymers

Gelled acidizer composition

Reactive extrusion process for making mixed salts of polymers containing an anhydride, acid or ester side groups

Homogenized flowable hydrogel of crosslinked N-vinyl lactam polymer

Method of making crosslinked PVP

Process of crosslinking PVP

Method of crosslinking PVP

Fixative vinyl acetate tetrapolymers

IND TECH RES INST

Flexible electronic device

Impact resistant structure and electronic device

Impact resistant structure and electronic device

Protective structure and electronic device with the same

GAF CORP

Hair treating resins

Heterocyclic containing cellulosic graft polymers

Synthetic polymer latices in photographic silver halide emulsions containing multivalent metal salts

GAF CHEMICALS CORP

Non-aerosol pump spray compositions

Non-aerosol pump hair spray compositions

ISP INVESTMENTS LLC

Polymers polymerized from at least four monomers, and compositions and uses thereof

TAIWAN SEMICONDUCTOR MFG CO LTD

Package structure having lid with protrusion and manufacturing method thereof

WELTREND SEMICONDUCTOR INC

Synchronous rectifier controllers with slew-rate detector