C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
260/199
C09B 47/04 (2006.01) C09B 67/12 (2006.01)
Patent
CA 1088924
A process of producing a phthalocyanine pigment Abstract of the Disclosure A process of producing a phthalocyanine pigment comprising dry grinding a crude phthalocyanine, stirring the ground product with an aqueous medium containing a surfactant and isolating the pigmentary product which, when dispersed into surface coating media, provide colourations having high brilliance and depth of shade.
288735
Blackburn John B.
Irvine Alexander M.
Mclaren George
Sutcliffe Michael
Ag Ciba-Geigy
Fetherstonhaugh & Co.
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