Inventor
AMBROSIANO NICHOLAS A
7 patents
Patents
7 patentsUS4143034AMar 6, 1979
Polyaminomethylated monoazo and disazo colorants
STERLING DRUG INC16 citations71
US4122261AOct 24, 1978
Polycyclic iminoisoindoline chelates
STERLING DRUG INC3 citations61
US4066653AJan 3, 1978
1-imino-3-(4-imino-5-thiazolidinylidene)isoindolines
STERLING DRUG INC3 citations61
US4028372AJun 7, 1977
Metal chelates of 1-imino-3-(4-thioxo-5-thiazolidinylidene)isoindolines
STERLING DRUG INC6 citations61
US3993658ANov 23, 1976
Thiazolidinylidene-isoindolines
STERLING DRUG INC2 citations61
US4398916AAug 16, 1983
Process for purification of quinoline yellow
STERLING DRUG INC4 citations59
US3966753AJun 29, 1976
Thiazolidinylidene isoindoline pigments
STERLING DRUG INC1 citations51