C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 57/00 (2006.01) C07D 487/04 (2006.01) C08K 5/3415 (2006.01) C09B 67/22 (2006.01) C09D 11/02 (2006.01) C09D 201/00 (2006.01)
Patent
CA 2067069
1,4-Diketopyrrolo[3,4-c]pyrroles of formula (see formula I) wherein R1, R2, R3 and R4 are each independently of one another hydrogen, Cl, Br, CH3, OCH3, CN or phenyl; and at least one of the substituents R1, R2, R3 and R4 is a group -O-(CH2)n X of -O(CH2CH2O)p CH2CH2X wherein n is an integer from 2 to 12, and p is an integer from 1 to 3, X is a heterocyclic radical selected from the group consisting of imidazolyl, pyrazolyl, triazolyl, piperazinyl, pyridinyl, pyrrolyl, thiazolyl, oxazolyl, benzoxazolyl, indolyl, benzthiazolyl, benzimidazolyl, benzotriazolyl, morpholinyl, piperidinyl and pyrrolidinyl, which radical is unsubstituted or substituted by one or two methyl groups, or is a group -NR5R6 or -N[(CH2)n-NR5R6]2, wherein R5 and R6 are each independently of the other hydrogen, C1-C6alkyl or C5- C6cycloalkyl. Pigment compositions comprising a minor amount of said compounds and diketopyrrolopyrrole pigments have excellent rheological and colouristic properties, especially in paint systems and in printing inks.
de Weck Guy
Wallquist Olof
Wooden Gary
Ag Ciba-Geigy
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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