Quaternized tellurium salt fog inhibiting agents for silver hali

Details Quaternized tellurium salt fog inhibiting agents for silver hali Quaternized tellurium salt fog inhibiting agents for silver hali

1986-01-31

1987-04-28

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Treating with processing composition after imaging prior to...

430446, 430448, 430570, 430599, 430614, 544 1, G03C 134

Patent

active

046614389

ABSTRACT:
Radiation sensitive silver halide photographic elements are disclosed which are protected from fog by quaternized aromatic oxatellurazinium salts. The aromatic oxatellurazinium salts can be initially incorporated in the photographic element as manufactured or during processing.

REFERENCES:
patent: 4576905 (1986-03-01), Gunther et al.
patent: 4581330 (1986-04-01), Gunther et al.
Research Disclosure, vol. 176, Dec. 1978, Item 17643.
T. H. James, The Theory of the Photographic Process, 4th Edition, Macmillan, 1977, pp. 393-399.
Gunther et al., U.S. Ser. No. 660,155, filed Oct. 12, 1984, titled Photographically Useful Chalcogenazoles, Chalcogenazolines, and Chalcogenazolinium and Chalcogenazolium Salts.
Mbuyi et al., The 1,3-Benzotellurazole: A New Heterocyclic System, Tetrahedron Letters, vol. 24, No. 52, pp. 5873-5876, 1983.

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