| 摘要 |
The invention relates to a crystalline diketopyrrolopyrrole pigment of the formula (I) in which R<SUP>10</SUP>, R<SUP>11</SUP>, R<SUP>12</SUP> and R<SUP>13</SUP> independently of one another denote hydrogen, halogen, C<SUB>1</SUB>-C<SUB>4</SUB> alkyl, C<SUB>1</SUB>-C<SUB>4</SUB> alkoxy, cyano or phenyl, characterized in that the maximum of the frequency distribution (according to weight fractions) of the crystal sizes is above 700 nm. |
