Polycyclic dye

Details Polycyclic dye Polycyclic dye

C - Chemistry, Metallurgy

09

B

C09B 57/00 (2006.01) C07D 493/04 (2006.01) C09B 67/48 (2006.01)

Patent

CA 2058887

SMC 36131 Abstract Polycyclic Dye A polymorphic form of a dye of Formula (I): Image Formula I characterised by the x-ray diffraction pattern shown as Form 2 in Figure 3 having characteristic peaks at the following values of two-theta (degrees) 3.8(s), 5.7(m), 7.6(m), 9.6(w), 11.5(w), 13.5(w), 15.5(w), 17.3(w), 19.2(w), 26.2(w) and a process for preparation of the polymorphic form.

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