Inventor
CSEH GEORG
CH14 patents
Patents
14 patentsUS4992495AFeb 12, 1991
Process for coloring high-molecular weight organic material using amine salts of azo pigments based on pyrazolone derivatives
CIBA GEIGY CORP13 citations81
US5151505ASep 29, 1992
Amine salts of azo pigments based on pyrazolone derivatives
CIBA GEIGY CORP6 citations73
US4670486AJun 2, 1987
Polymer composition pigmented with copper or nickel complexes of ligands containing a semicarbazone moiety
CIBA GEIGY CORP9 citations73
US4639477AJan 27, 1987
Process for coloring high-molecular organic material, and novel metal complexes of oxime(s) of o-hydroxy benzaldehyde(s) and ketone(s)
CIBA GEIGY CORP7 citations73
US4220586ASep 2, 1980
Hetero-aryl azo acylamino substituted aceto-acetarylide pigments
CIBA GEIGY CORP12 citations73
US3978038AAug 31, 1976
Disazo pigments containing at least one nitro group on the diazo component
CIBA GEIGY CORP7 citations72
US4070353AJan 24, 1978
Dicarboxylic acid ester diazo pigments
CIBA GEIGY CORP8 citations71
US5066695ANov 19, 1991
High-molecular weight organic material containing a metal complex pigment basaed on hydrazone
CIBA GEIGY CORP10 citations68
US4473500ASep 25, 1984
Monoazo pigments derived from aminophthalimides and substituted acetoacetarylides or 2-hydroxy-3-naphthoylarylides
CIBA GEIGY CORP2 citations62
US4065449ADec 27, 1977
Tetrachloro substituted disazo pigments
CIBA GEIGY CORP3 citations62
US4062838ADec 13, 1977
Disazo pigments containing acylamino groups
CIBA GEIGY CORP5 citations62
US4055559AOct 25, 1977
Disazo pigment containing at least 2 chlorine atoms and process for their manufacture
CIBA GEIGY CORP4 citations59
USRE35359EOct 22, 1996
Amine salts of azo pigments based on pyrazolone derivatives
CIBA GEIGY CORP0 citations51
US4775747AOct 4, 1988
Copper or nickel complexes of ligands containing an azomethine, semicarbozone or hydrazone moiety
CIBA GEIGY CORP1 citations51