Colorant

Details Colorant Colorant

2008-10-02

2010-02-23

Anderson, Rebecca L (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C430S105000, C430S097000, C430S037000, C430S032000

Reexamination Certificate

active

07667047

ABSTRACT:
A colorant contains a crystal of a compound represented by the following formula (1):the crystal having a crystal form showing main peaks at interplanar spacings d of 3.45±0.5 Å, 3.63±0.5 Å, 4.23±0.5 Å, 6.65±0.5 Å, and 7.84±0.5 Å in powder X-ray diffraction pattern with CuKα radiation.

REFERENCES:
patent: 2004/0255821 (2004-12-01), Mizuguchi et al.
patent: 2005/0016420 (2005-01-01), Mizuguchi et al.
patent: 2003-41144 (2003-02-01), None
patent: 2003-41145 (2003-02-01), None
patent: WO 03079339 (2003-09-01), None
Yuki Ganryo Handbook-Color Office, 2006, Organic Pigments Handbook, pp. 613-617.

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