Optical recording material

Stock material or miscellaneous articles – Circular sheet or circular blank – Recording medium or carrier

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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.

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patent: 4847385 (1989-07-01), Kusakata et al.
patent: 4851322 (1989-07-01), Inagaki et al.

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