IR-ray absorptive amino compound and optical recording medium by

Details IR-ray absorptive amino compound and optical recording medium by IR-ray absorptive amino compound and optical recording medium by

1992-01-31

1993-09-14

Raymond, Richard L.

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

Organic compounds

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

540597, 540598, 540602, 540609, 544 82, 544 86, 546187, 546191, 546194, 546229, 546256, 546264, 546281, 546329, 548517, 548523, 548577, 564271, 564309, 564434, C07D20709, C07D21126, C07D22304

Patent

active

052450309

ABSTRACT:
An IR-ray absorptive compound represented by the formula (1) or (2): ##STR1## and an optical recording medium having a substrate and an organic dye thin film, comprising the formulae (1) and/or (2).

REFERENCES:
patent: 3484467 (1969-12-01), Susi et al.
patent: 3670025 (1972-06-01), Susi et al.
patent: 4656121 (1987-04-01), Sato et al.
patent: 4933245 (1990-06-01), Akasaki
patent: 5024917 (1991-06-01), Mihara et al.

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