Inventor
IRVINE ALEXANDER M
GB6 patents
Patents
6 patentsUS4158572AJun 19, 1979
Process of producing a phthalocyanine pigment
CIBA GEIGY CORP27 citations76
US4152324AMay 1, 1979
Pigment copper complex of carboxyphenylazon-phenyl-β-naphthyzamine
CIBA GEIGY CORP8 citations70
US4247337AJan 27, 1981
Copper phthalocyanine derivatives
CIBA GEIGY CORP2 citations59
US4199509AApr 22, 1980
Copper phthalocyanine derivatives
CIBA GEIGY CORP4 citations59
US4252565AFeb 24, 1981
Stabilized phthalocyanines
CIBA GEIGY CORP3 citations55
US4143058AMar 6, 1979
Process for production of an azomethine pigment
CIBA GEIGY CORP0 citations32