Crystal form of a perinone dye

Details Crystal form of a perinone dye Crystal form of a perinone dye

2005-01-25

2005-01-25

Einsmann, Margaret (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

Dry dye composition other than mere mixture of two or more...

Dye in specified form other than mere powder

C544S245000, C524S090000

Reexamination Certificate

active

06846335

ABSTRACT:
A novel crystal form of C.I. Solvent Orange 60 gives a higher space-time yield in dye synthesis and is more easily finished.

REFERENCES:
patent: 2955902 (1960-11-01), Merian
patent: 5213583 (1993-05-01), Kaspar et al.
patent: 5830931 (1998-11-01), Pelster et al.

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