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Inventor

CHAU CHIEH-CHUN

US28 patents
⚠️ This page may combine multiple inventors who share the name “CHAU CHIEH-CHUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DOW CHEMICAL CO

19 patents
US4957817ASep 18, 1990

Film, fiber, and microporous membranes of poly(etheretherketone)dissolved in high boiling point polar organic solvents

DOW CHEMICAL CO63 citations96
US4868222ASep 19, 1989

Preparation of asymmetric membranes by the solvent extraction of polymer components from polymer blends

DOW CHEMICAL CO52 citations96
US4992485AFeb 12, 1991

Microporous peek membranes and the preparation thereof

DOW CHEMICAL CO66 citations95
US5356584AOct 18, 1994

Polybenzazole fibers with ultra-high physical properties and method for making them

DOW CHEMICAL CO44 citations94
US5296185AMar 22, 1994

Method for spinning a polybenzazole fiber

DOW CHEMICAL CO76 citations94
US5286833AFeb 15, 1994

Polybenzazole fiber with ultra-high physical properties

DOW CHEMICAL CO53 citations94
US5246647ASep 21, 1993

Process of making microporous hollow fiber or film membrane of poly(phenylene sulfide) (PPS)

DOW CHEMICAL CO66 citations94
US5164131ANov 17, 1992

Methods for synthesizing pulps and short fibers containing polybenzazole polymers

DOW CHEMICAL CO22 citations93
US5552221ASep 3, 1996

Polybenzazole fibers having improved tensile strength retention

DOW CHEMICAL CO40 citations92
US5429787AJul 4, 1995

Method for rapid drying of a polybenzazole fiber

DOW CHEMICAL CO31 citations92
US4764320AAug 16, 1988

Method for preparing semipermeable membrane compositions

DOW CHEMICAL CO41 citations92
US4775474AOct 4, 1988

Membranes containing microporous structure

DOW CHEMICAL CO20 citations82
US5585052ADec 17, 1996

Process for the preparation of polybenzazole staple fiber

DOW CHEMICAL CO8 citations73
US5417915AMay 23, 1995

Process for post-spin finishing of polybenzoxazole fibers

DOW CHEMICAL CO8 citations73
US5294390AMar 15, 1994

Method for rapid spinning of a polybenzazole fiber

DOW CHEMICAL CO12 citations73
US5288445AFeb 22, 1994

Rapid heat-treatment method for polybenzaole fiber

DOW CHEMICAL CO7 citations73
US4859339AAug 22, 1989

Microporous membranes of syndiotactic vinylaromatic polymers

DOW CHEMICAL CO9 citations73
US5411694AMay 2, 1995

Process for post-spin finishing of polybenzoxazole fibers

DOW CHEMICAL CO8 citations72
US5273703ADec 28, 1993

Process for post-spin finishing of polybenzoxazole fibers

DOW CHEMICAL CO13 citations72

CHAU CHIEH-CHUN

3 patents

MULTISORB TECH INC

2 patents

PACTIV CORP

1 patent

DOW GLOBAL TECHNOLOGIES INC

1 patent

TOYO BOSEKI

1 patent

MCKEDY GEORGE E

1 patent