abstract |
The present invention is directed to a new C.I. Pigment Violet 37 in rod-like form, a process for its preparation and its use for coloring high molecular weight organic material. The C.I. Pigment Violet 37 in rod-like form having a length of 0.5 to 30 µm, a width of 0.05 to 1 µm, especially 0.100 to 0.500 µm and an average thickness of 0.01 to 0.200 µm, especially 0.03 to 0.100 µm. |