C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
6/194, 8/45, 260
C07C 309/48 (2006.01) C09B 31/10 (2006.01) C09B 35/10 (2006.01) D06P 1/02 (2006.01)
Patent
CA 1289945
New Intermediates Abstract of the Disclosure The invention provides compounds having the formula I or II Image (I), Image (II) and their salts and hydrates, having high value as intermediates for dyestuff additives for pigment compositions and as intermediates for metal-containing pigments.
573950
Ciba-Geigy Investments Ltd.
Fetherstonhaugh & Co.
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