Optical recording material

Details Optical recording material Optical recording material

1989-07-25

1990-07-31

Ryan, Patrick

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 65, 428199, 4284111, 428913, 430270, 430945, 346 11, 346 76L, 3461351, 369288, B32B 300

Patent

active

049449800

ABSTRACT:
An optical recording material having excellent light stability, shelf stability and solubility in a solvent comprises, as an indispensable constituent, a compound of the following general formula: ##STR1## wherein R represents a cycloalkyl group having 3 to 12 carbon atoms, X.sup.- represents a halide anion, a perchlorate anion or a quencher anion, rings A and B each represent a benzene or naphthalene ring which may be substituted with a halogen atom, and n represents 1 to 4.

REFERENCES:
patent: 4626496 (1986-12-01), Sato
patent: 4666819 (1987-05-01), Elmasry
patent: 4680375 (1987-07-01), Elmasry
patent: 4713314 (1987-12-01), Namba et al.
patent: 4735839 (1988-04-01), Soto et al.
patent: 4735889 (1988-04-01), Namba et al.
patent: 4739029 (1988-04-01), Elmary
patent: 4767693 (1988-08-01), Oba et al.
patent: 4847385 (1989-07-01), Kusakata et al.
patent: 4851322 (1989-07-01), Inagaki et al.

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