Inventor
BALLI HEINZ
CH7 patents
Patents
7 patentsUS4562449ADec 31, 1985
Chromogenic dihydroquinazolines
CIBA GEIGY CORP6 citations71
US4506073AMar 19, 1985
Chromenoazaindolizine compounds
CIBA GEIGY CORP5 citations60
US4174856ANov 20, 1979
Chromenoindole color formers
CIBA GEIGY CORP2 citations60
US4123439AOct 31, 1978
Chromenoindole compounds
CIBA GEIGY CORP3 citations60
US4057562ANov 8, 1977
Certain naphthofurans and method for their manufacture
CIBA GEIGY CORP3 citations56
US3974180AAug 10, 1976
Furanes, their manufacture and use
CIBA GEIGY CORP2 citations56
US4503227AMar 5, 1985
Chromogenic dihydroquinazolines
CIBA GEIGY CORP0 citations50