Acutance agents for use in thermally-developable photosensitive

Details Acutance agents for use in thermally-developable photosensitive Acutance agents for use in thermally-developable photosensitive

1976-05-17

1977-07-05

Demers, Arthur P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

96101, 961141, 260240F, 260240D, 2602409, C07D20730, C07D21500

Patent

active

040339483

ABSTRACT:
Certain members of the class of odd-numbered methine arylidene dye bases are found to be of use in thermally-developable photosensitive compositions and thermally-developable photosensitive elements containing such agents. These compounds are acutance agents which are relatively stable against photo-bleaching but undergo thermochemical bleaching on heating in silver salt-containing thermally-developable photosensitive compositions.

REFERENCES:
patent: 3652288 (1972-03-01), Fumia et al.
Sheppard, J. Am. Chem. Soc. 85 (1963), pp. 1314-1318.

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