C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 29/03 (2006.01) C08K 5/42 (2006.01) C09B 63/00 (2006.01) C09B 67/00 (2006.01) C09B 67/10 (2006.01) C09D 5/44 (2006.01) C09D 5/46 (2006.01) C09D 11/02 (2006.01) G03G 9/09 (2006.01)
Patent
CA 2275374
Novel crystal modification of C.I. Pigment Red 53:2 (gamma-phase) The invention relates to a novel crystal modification (.gamma.-modification) of C.I. Pigment Red 53:2 of the formula (1) (see formula I) having the following characteristic reflections in the X-ray powder diffraction pattern: 2.THETA. d Relative intensity in % 4.4 20.2 49 5.8 15.4 100 8.8 10.0 23 10.3 8.6 25 10.9 8.1 33 12.2 7.3 15 13.9 6.4 16 15.4 5.8 15 16.7 5.3 28 17.6 5.0 16 18.4 4.8 18 18.6 4.8 18 19.7 4.5 20 20.8 4.3 18 23.2 3.8 48 24.0 3.7 21 24.8 3.6 37 25.2 3.5 34 26.6 3.3 19 27.3 3.3 19 27.9 3.2 12 29.3 3.0 14
Metz Hans Joachim
Schmidt Martin Ulrich
Clariant Gmbh
Fetherstonhaugh & Co.
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