Patent ID: 7524953

Claim:
A triphendioxazine pigment of formula (I) where X is hydrogen or chlorine, and R 1 is phenyl substituted with 1 to 5 radicals selected from the group consisting of C 1 -C 4 -alkyl, halogen, C 1 -C 4 -alkoxy, acetylamino, aminocarbonyl, methylaminocarbonyl and C 1 -C 4 -alkoxycarbonyl; or is phenyl fused 2,3- or 3,4- with a bivalent radical of the formula —NH—(CO) m —NR 2 —, —CR 2 ═CH—CO—NH—, —CR 2 ═N—CO—NH—, —CO—NH—CO—NR 2 —, —CO—(NH) m —CO— or —O—(CO) m —NH— to form a five- or six-membered ring, where R 2 is hydrogen, methyl, ethyl or phenyl and m is 1 or 2.