C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
8/52, 260/242.5
C07D 487/04 (2006.01) C07D 239/46 (2006.01) C07D 239/50 (2006.01) D06L 3/12 (2006.01)
Patent
CA 1089856
Abstract of the Disclosure New v-Trizolyl-[4,5-d]-pyrimidines of the formula (1) Image wherein Q and Q1 independently of one another are a secondary or tertiary amino radicals and X, X1 and X2 are certain non- chromophoric substituents, their preparation and their use for the optical brightening of organic materials are provided.
290552
Ag Ciba-Geigy
Fetherstonhaugh & Co.
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