Cyanine dyes for use in optical recording medium

Details Cyanine dyes for use in optical recording medium Cyanine dyes for use in optical recording medium

1994-06-06

1996-04-09

Higel, Floyd D.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544226, 546 6, 546 7, 546 8, 548106, 548107, 548108, C07F 1500, C07F 1502, C07F 1503, C07F 1504, C07F 1506, G03C 176

Patent

active

055063578

ABSTRACT:
A photostable cyanine dye possessing a structure represented by the general formula I or II:

REFERENCES:
patent: 2597856 (1952-05-01), Damschroder
patent: 3346585 (1967-10-01), Dehnert
patent: 4050938 (1977-09-01), Smith et al.
patent: 4465767 (1984-08-01), Oba et al.
patent: 4626496 (1986-12-01), Sato
patent: 4652514 (1987-03-01), Abe et al.
patent: 4921317 (1990-05-01), Suzuki et al.
patent: 5219707 (1993-06-01), Namba
Colour Index, 3rd edition, vol. 4, published by The Society of Dyers and Colourists, 1971, pp. 4438 and 4440.
Research Disclosure, 21612, Apr. 1982 pp. 117-118.
Namba et al. US application 07/143312 originally filed Jul. 29, 1983.

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