Naphthalocyanine derivatives, production thereof, optical record

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

1990-01-04

1991-08-13

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

430270, 430945, 540128, 540131, 540140, 428 64, 3461351, C09B 4718, C09B 6700, G03C 100

Patent

active

050396005

ABSTRACT:
A naphthalocyanine derivative having as substituents at least one group of a formula: SR.sup.1 wherein R.sup.1 is --(CR.sup.2 R.sup.3).sub.x SiR.sup.4 R.sup.5 R.sup.6, in which R.sup.2 to R.sup.6 are H, alkyl groups, etc. is excellent in solubility in saturated hydrocarbon solvents and in absorption of semiconductor laser lights and thus, is suitable for producing optical recording media.

REFERENCES:
patent: 4622179 (1986-11-01), Eda
patent: 4766054 (1988-08-01), Hirose et al.

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