Recording element having a pyrylium or thiopyrylium-squarylium d

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making

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430271, 430495, 430496, 430537, 430945, 346 76L, 3461351, 549 13, 549415, G03C 178

Patent

active

045088110

ABSTRACT:
An optical recording element having a recording layer which comprises an alkylpyrylium-squarylium dye, as well as novel alkylpyrylium-squarylium compounds.

REFERENCES:
patent: 3617270 (1971-11-01), Kampfer et al.
patent: 3824099 (1974-07-01), Champ et al.
Loutfy et al., Photographic Science and Engineering, vol. 27, No. 1, pp. 5-9, 1983.
Jipson et al., J. Vac. Sci. Technol., vol. 18, p. 105, 1981.

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