Naphthalocyanine dye and method for producing the same

Details Naphthalocyanine dye and method for producing the same Naphthalocyanine dye and method for producing the same

2006-09-29

2010-11-23

Wilson, James O. (Department: 1624)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07838669

ABSTRACT:
A compound of the following formula (I):wherein L11, L21, L31and L41represent a divalent group; Q11, Q21, Q31and Q41represent a non-metallic atomic group necessary for forming a hetero ring; R12, R22, R32and R42represent a substituent; n11, n12, n21, n22, n31, n32, n41 and n42 indicate an integer of from 0 to 6; provided that (n11+n21+n31+n41) is not 0; M1represents two hydrogen atoms, two monovalent metal atoms, a divalent metal atom, or a divalent substituted metal atom including a trivalent or tetravalent metal atom.

REFERENCES:
patent: 02-296885 (1990-12-01), None
patent: 11-152413 (1999-06-01), None
patent: 11-152414 (1999-06-01), None
patent: 11-152415 (1999-06-01), None
Michael J. Cook, et al “Octa-alkoxy Phthalocyanine and Naphthalocyanine Derivatives: Dyes with Q-Band Absorption in the Far Red or Near Infrared”, J. Chem. Soc. Perkin Trans. I, pp. 2453-2458, 1988.

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