Inventor
NELSON COLIN
GB3 patents
Patents
3 patentsUS4246171AJan 20, 1981
Continuous diazotization process, wherein the rate of addition of inorganic nitrite is automatically controlled by polarovoltric means
CIBA GEIGY CORP23 citations78
US4159264AJun 26, 1979
Automatic control of azo coupling processes in the manufacture of azo pigments
CIBA GEIGY CORP15 citations70
US4190578AFeb 26, 1980
Dialysis monitored preparation of metal salts of azo pigments
CIBA GEIGY CORP6 citations59