Azo compounds, azo pigments, and dispersion, coloring...

C - Chemistry – Metallurgy – 09 – B

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C09B 29/36 (2006.01) B41J 2/01 (2006.01) B41M 5/00 (2006.01) C07D 487/04 (2006.01) C09B 67/20 (2006.01) C09B 67/46 (2006.01) C09D 11/00 (2006.01)

Patent

CA 2717706

An azo pigment represented by the general formula (1), a tautomer, salt, or hydrate thereof: (see formula 1) wherein R1, R2, R3, Y, Z, and G each independently represents a hydrogen atom or a substituent, n represents an integer of from 2 to 4 and, when n=2, the general formula (1) represents a dimer formed through R1, R2, R3, Y, Z, or G and, when n=3, the general formula (1) represents a trimer formed through R1, R2, R3, Y, Z, or G and, when n=4, the general formula (1) represents a tetramer formed through R1, R2, R3, Y, Z, or G.

L'invention concerne un pigment azo représenté par la formule générale (1), un de ses tautomères, ou un des sels ou hydrates du pigment azo ou du tautomère. [Dans la formule générale (1), R1, R2, R3, Y, Z et G représentent indépendamment un atome d'hydrogène ou un substituant ; et n représente un entier de 2 à 4 ; à condition que la formule représente un dimère formé via R1, R2, R3, Y, Z ou G lorsque n vaut 2, que la formule représente un trimère formé via R1, R2, R3, Y, Z ou G lorsque n vaut 3, et que la formule représente un tétramère formé via R1, R2, R3, Y, Z ou G lorsque n vaut 4.]

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