Inventor
VUITEL LAURENT
10 patents
Patents
10 patentsUS4008225AFeb 15, 1977
Process for the manufacture of bis-azomethine metal complex colorants
CIBA GEIGY CORP23 citations81
US4044036AAug 23, 1977
Metal complexes of bis-azomethines from hydroxy-aldehydes and alkylene diamines
CIBA GEIGY CORP20 citations78
US4065481ADec 27, 1977
1:1-Azomethine-metal-complex dyestuffs
CIBA GEIGY CORP9 citations73
US4024132AMay 17, 1977
Azomethine pigments
CIBA GEIGY CORP11 citations73
US4016157AApr 5, 1977
Metal complexes of bis-hydrazones
CIBA GEIGY CORP10 citations73
US3988323AOct 26, 1976
Metal complexes of bishydrazides
CIBA GEIGY CORP13 citations73
US3974149AAug 10, 1976
Azomethine pigments
CIBA GEIGY CORP8 citations73
US3963708AJun 15, 1976
Bis-azomethine metal complex colorants from hydroxycoumarin derivatives or hydroxychromone derivatives
CIBA GEIGY CORP7 citations73
US3939194AFeb 17, 1976
Bis-2-azomethine pigments, process for their manufacture and their use
CIBA GEIGY CORP7 citations73
US4144258AMar 13, 1979
1:1-Heterocyclic azo methine-metal complex dyestuffs
CIBA GEIGY CORP4 citations62