Inventor
CHOE EUI W
US58 patents
⚠️ This page may combine multiple inventors who share the name “CHOE EUI W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CELANESE CORP
30 patentsUS4423202ADec 27, 1983
Process for the production of high molecular weight para ordered aromatic heterocyclic polymer
CELANESE CORP63 citations96
US4452971AJun 5, 1984
Production of improved high molecular weight polybenzimidazole with tin containing catalyst
CELANESE CORP31 citations93
US4312976AJan 26, 1982
Single-stage melt polymerization process for the production of high molecular weight polybenzimidazole
CELANESE CORP52 citations93
US4659177AApr 21, 1987
Organic nonlinear optical media
CELANESE CORP28 citations92
US4162346AJul 24, 1979
High performance wholly aromatic polyamide fibers
CELANESE CORP35 citations87
US4707303ANov 17, 1987
High performance nonlinear optical substrates
CELANESE CORP24 citations82
US4694048ASep 15, 1987
Thermoplastic polymers containing repeating hydrazide groups
CELANESE CORP18 citations82
US4605869AAug 12, 1986
Polyacetylenic compositions
CELANESE CORP23 citations82
US4579915AApr 1, 1986
Polybenzimidazole polymers exhibiting nonlinear optical effects
CELANESE CORP22 citations82
US4506068AMar 19, 1985
Two stage high molecular weight polybenzimidazole production with phosphorus containing catalyst
CELANESE CORP20 citations82
US4483977ANov 20, 1984
High molecular weight polybenzimidazoles
CELANESE CORP20 citations82
US4452993AJun 5, 1984
Anisotropic heat-curable acrylic-terminated monomers
CELANESE CORP23 citations81
US4603187AJul 29, 1986
Polyacetylenic compositions
CELANESE CORP8 citations74
US4535144AAug 13, 1985
Synthesis of high molecular weight polybenzimidazole with arylhalo phosphorus compound catalyst
CELANESE CORP14 citations74
US4463167AJul 31, 1984
Two stage high molecular weight polybenzimidazole production with phosphorus containing catalyst
CELANESE CORP17 citations74
US4452972AJun 5, 1984
Production of high molecular weight polybenzimidazole with aryl phosphonic acid or aryl phosphinic acid catalyst
CELANESE CORP9 citations74
US4448955AMay 15, 1984
Production of improved high molecular weight polybenzimidazole with tin containing catalyst
CELANESE CORP6 citations74
US4431796AFeb 14, 1984
Single stage production of improved high molecular weight polybenzimidazole with organo silicon halide catalyst
CELANESE CORP10 citations74
US4265802AMay 5, 1981
Polyester of para-hydroxy benzoic acid, 1,4-bis(para-carboxyphenoxy) benzene, aromatic diol and aromatic diacid capable of undergoing melt processing
CELANESE CORP18 citations74
US4452967AJun 5, 1984
High molecular weight polybenzimidazole preparation with phosphorus containing catalyst
CELANESE CORP9 citations73
US4440945AApr 3, 1984
Anisotropic heat-curable acetylene-terminated monomers and thermoset resins produced therefrom
CELANESE CORP10 citations73
US4707305ANov 17, 1987
Naphthoquinodimethane compositions
CELANESE CORP5 citations63
US4703096AOct 27, 1987
Novel diacetylenic and polydiacetylenic compositions
CELANESE CORP5 citations63
US4485232ANov 27, 1984
Two stage melt production of high molecular weight polybenzimidazoles with phosphorous catalyst
CELANESE CORP5 citations63
US4448954AMay 15, 1984
Single stage production of improved high molecular weight polybenzimidazole with organosilicon halide catalyst.
CELANESE CORP4 citations63
US4245084AJan 13, 1981
Thermotropic, wholly aromatic polythiolesters capable of forming an anisotropic melt and a process for preparing the polythiolesters
CELANESE CORP3 citations63
US4130702ADec 19, 1978
Polyacryloylaminobenzoic acid, polymethacryloylaminobenzoic acid and method of preparation
CELANESE CORP5 citations63
US4514553AApr 30, 1985
Thermoset resin produced from anisotropic heat-curable acrylic-terminated monomers
CELANESE CORP5 citations62
US4414383ANov 8, 1983
High molecular weight polybenzimidazole preparation with phosphorus containing polymerization catalyst
CELANESE CORP6 citations62
US4160755AJul 10, 1979
Process for producing anisotropic dopes and articles thereof from benzoic acid derivative polymers
CELANESE CORP4 citations61
HOECHST CELANESE CORP
18 patentsUS4719281AJan 12, 1988
Pendant quinodimethane-containing polymer
HOECHST CELANESE CORP18 citations82
US4711532ADec 8, 1987
Novel diacetylenic and polydiacetylenic compositions
HOECHST CELANESE CORP18 citations82
US5298591AMar 29, 1994
Non-crystalline wholly aromatic polyesters
HOECHST CELANESE CORP11 citations74
US4914175AApr 3, 1990
Injection moldable polyimides
HOECHST CELANESE CORP8 citations74
US4773743ASep 27, 1988
Electrooptic light modulator device
HOECHST CELANESE CORP6 citations74
US4774025ASep 27, 1988
Nonlinear optical medium of a naphthoquinodimethane compound
HOECHST CELANESE CORP14 citations74
US4755574AJul 5, 1988
Acrylic polymers exhibiting chiral and nonlinear optical properties
HOECHST CELANESE CORP11 citations74
US4732783AMar 22, 1988
Organic nonlinear optical media
HOECHST CELANESE CORP10 citations74
US5453321ASep 26, 1995
High molecular weight copolyesters for high modulus fibers
HOECHST CELANESE CORP7 citations73
US5045625ASep 3, 1991
Thermosetting polyimide prepolymers
HOECHST CELANESE CORP3 citations63
US4983325AJan 8, 1991
High performance nonlinear optical media
HOECHST CELANESE CORP6 citations63
US4938896AJul 3, 1990
High performance nonlinear optical media
HOECHST CELANESE CORP6 citations63
US4824219AApr 25, 1989
Hydrazide-containing thermoplastic polymers exhibiting nonlinear optical response
HOECHST CELANESE CORP3 citations63
US4818802AApr 4, 1989
Hydrazide-containing thermoplastic polymers exhibiting nonlinear optical response
HOECHST CELANESE CORP4 citations63
US4804255AFeb 14, 1989
Acrylic polymers exhibiting chiral and nonlinear optical properties
HOECHST CELANESE CORP4 citations63
US4783151ANov 8, 1988
Devices utilizing pendant quinodimethane-containing polymers
HOECHST CELANESE CORP6 citations63
US5256760AOct 26, 1993
Condensation copolymers with sequenced mer structure
HOECHST CELANESE CORP6 citations61
US5624754AApr 29, 1997
Rubber-polyester composites including a sidechain containing copolyester
HOECHST CELANESE CORP5 citations58
BASF FUEL CELL
1 patentDELANESE CORP
1 patentShowing the top 50 of 58 patents by PatentIndex Score.