Inventor
WILLIAMS III FRANK J
20 patents
Patents
20 patentsUS3983093ASep 28, 1976
Novel polyetherimides
GEN ELECTRIC265 citations97
US4273712AJun 16, 1981
Method for making aromatic ether imides
GEN ELECTRIC64 citations96
US4257953AMar 24, 1981
Method for making bisphenoxide salts and bisimides derived therefrom
GEN ELECTRIC45 citations92
US4297474AOct 27, 1981
Polyetherimides prepared by self-condensation of hydroxyaryl phthalimide salts
GEN ELECTRIC36 citations91
US4107147AAug 15, 1978
Polysulfoneimides
GEN ELECTRIC33 citations91
US3998840ADec 21, 1976
Method for making polyetherimides using a sodium chloride or ferric sulfate catalyst
GEN ELECTRIC35 citations91
US4017511AApr 12, 1977
Preparation of aromatic bisimides
GEN ELECTRIC30 citations82
US3933862AJan 20, 1976
Aromatic dithio dianhydrides
GEN ELECTRIC32 citations82
US4092297AMay 30, 1978
Polythioethermides
GEN ELECTRIC8 citations74
US4054584AOct 18, 1977
Method for making bis(thioether anhydride)s
GEN ELECTRIC7 citations74
US3989712ANov 2, 1976
Thio-bis(phthalimides)
GEN ELECTRIC11 citations74
US3933749AJan 20, 1976
Polythioetherimides and method of preparation
GEN ELECTRIC18 citations74
US4455431AJun 19, 1984
Method for making bis-etherphthalimides
GEN ELECTRIC8 citations73
US4302616ANov 24, 1981
Method for making alkali metal bisphenoxide salts and bisimides derived therefrom
GEN ELECTRIC16 citations73
US4260733AApr 7, 1981
Method for making aromatic polyformals
GEN ELECTRIC17 citations73
US4048190ASep 13, 1977
Preparation of bisphenol-A bisimides
GEN ELECTRIC9 citations73
US4247464AJan 27, 1981
Liquid extraction method for recovering aromatic bisimides
GEN ELECTRIC13 citations72
US4136087AJan 23, 1979
Method for making aromatic cyclic polyformals
GEN ELECTRIC10 citations72
US4102905AJul 25, 1978
Aromatic disulfone dianhydrides
GEN ELECTRIC14 citations72
US4024162AMay 17, 1977
Aromatic dithio dianhydrides
GEN ELECTRIC1 citations52