Naphthalocyanine derivatives, production thereof, optical record

Details Naphthalocyanine derivatives, production thereof, optical record Naphthalocyanine derivatives, production thereof, optical record

1991-05-30

1996-01-16

Chea, Thorl

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

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

430495, 430945, 43027017, 540128, 540131, 540139, 540142, G03C 172, G11B 724, C09B 4700

Patent

active

054846854

ABSTRACT:
A naphthalocyanine derivative of the formula: ##STR1## wherein M, Y, R.sup.1, k, l, m, n are as defined in the specification, is an effective substance for forming a recording layer on a substrate of an optical recording medium having high sensitivity with good properties.

REFERENCES:
patent: 4798781 (1989-01-01), Hirose et al.
patent: 4960538 (1990-10-01), Itoh et al.
patent: 5034309 (1991-07-01), Tai et al.
patent: 5075203 (1991-12-01), Katayose et al.

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