Inventor
HURTIG CARL W
US7 patents
Patents
7 patentsUS5089591AFeb 18, 1992
Rapid advancement of molecular weight in polybenzazole oligomer dopes
DOW CHEMICAL CO78 citations93
US5219981AJun 15, 1993
Semi-continuous process for synthesis of polybenzazole polymers
DOW CHEMICAL CO14 citations71
US5194568AMar 16, 1993
Staged polymerization of polybenzazole polymers
DOW CHEMICAL CO12 citations71
US5068384ANov 26, 1991
Phosphate salts of AB-polybenzoxazole monomer
DOW CHEMICAL CO3 citations62
US4959492ASep 25, 1990
Process to synthesize AB-PBO monomer and phosphate salts thereof
DOW CHEMICAL CO3 citations62
US5233014AAug 3, 1993
Rapid advancement of molecular weight in polybenzazole oligomer dopes
DOW CHEMICAL CO2 citations60
US5210171AMay 11, 1993
Process to polymerize AB-PBO monomer phosphate salts
DOW CHEMICAL CO0 citations51