Inventor
HWANG WEN-FANG
US14 patents
⚠️ This page may combine multiple inventors who share the name “HWANG WEN-FANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DOW CHEMICAL CO
11 patentsUS5098985AMar 24, 1992
Copolymers containing polybenzoxazole, polybenzothiazole and polybenzimidazole moieties
DOW CHEMICAL CO83 citations96
US5985969ANov 16, 1999
Polyamic acid precursors and methods for preparing higher molecular weight polyamic acids and polyimidebenzoxazole
DOW CHEMICAL CO20 citations92
US5919892AJul 6, 1999
Polyamic acids and methods to convert polyamic acids into polyimidebenzoxazole films
DOW CHEMICAL CO29 citations92
US5741585AApr 21, 1998
Polyamic acid precursors and methods for preparing higher molecular weight polyamic acids and polyimidebenzoxazole
DOW CHEMICAL CO18 citations92
US5030706AJul 9, 1991
Copolymers containing polybenzoxazole, polybenzothiazole and polybenzimidazole moieties
DOW CHEMICAL CO25 citations92
US5075392ADec 24, 1991
Thermoplastic compositions containing polybenzoxazole, polybenzothiazole and polybenzimidazole moieties
DOW CHEMICAL CO11 citations74
US5244617ASep 14, 1993
Consolidation and molding of polybenzazole-containing materials
DOW CHEMICAL CO7 citations65
US5151489ASep 29, 1992
Copolymers containing polybenzoxazole, polybenzothiazole and polybenzimidazole moieties
DOW CHEMICAL CO6 citations62
US5089568AFeb 18, 1992
Process of making thermoplastic copolymers containing polybenzoxazole, polybenzothiazole and polybenzimidazole moieties
DOW CHEMICAL CO6 citations62
US5273823ADec 28, 1993
Shaped articles containing copolymers of polybenzazoles
DOW CHEMICAL CO5 citations61
US5217809AJun 8, 1993
Shaped articles containing copolymers of polybenzazoles
DOW CHEMICAL CO3 citations61