Novel radiation sensitive compounds and radiation sensitive comp

Details Novel radiation sensitive compounds and radiation sensitive comp Novel radiation sensitive compounds and radiation sensitive comp

1979-03-26

1980-11-11

Demers, Arthur P.

Harness for working animal

430 72, 430512, 430517, 542450, 542466, 542472, 542473, C07C40706, C07C40710

Patent

active

042334438

ABSTRACT:
Pyrylium, thiapyrylium and selenapyrylium salts and derivatives thereof having a trimethine linkage containing an aryl substituent attached to at least one carbon atom of the trimethine linkage are disclosed. Radiation sensitive compositions, e.g., photoconductive compositions, containing such materials are also disclosed.

REFERENCES:
patent: 3417083 (1968-12-01), Reynolds et al.
patent: 3586500 (1971-06-01), Contols
patent: 3796573 (1974-03-01), Jones
patent: 3938994 (1976-02-01), Reynolds et al.
Petropoulos et al., Defensive Publication T900031 Jul. 25, 1972.
Wizinger et al., Helv. Chim. Acta 40(1957) pp. 1305-1310.
Wilt et al., Tetrahedron 29(1973) pp. 795-803.
T'Khedija et al., Bull Socs. Chim. France 1973 #1, pp. 218-223.
Hamer, The Cyanine Dyes and Related Compounds, Interscience, N.Y., N.Y., 1964, pp. 495-502.

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