Color photographic photosensitive material containing ultraviole

Details Color photographic photosensitive material containing ultraviole Color photographic photosensitive material containing ultraviole

1974-12-02

1976-02-03

Smith, Ronald H.

Gas separation: apparatus

Electric field separation apparatus

Electrode retaining or supporting means

252300, 260308B, 427160, G03C 184

Patent

active

039363058

ABSTRACT:
Compounds represented by the following general formula are extremely effective as ultraviolet ray-absorbing agent, especially, for color photographic photosensitive materials. ##SPC1##
(wherein R.sub.1 is an alkyl group having 1 to 13, preferably 5 to 13 carbon atoms, R.sub.2 is an alkyl group having 1 to 18 carbon atoms and X is hydrogen, a halogen, an alkyl, an alkoxy, an aryloxy, an aralkyloxy or an aryl group).

REFERENCES:
patent: 3184472 (1965-05-01), Carboni
patent: 3684729 (1972-08-01), Tuite
patent: 3700455 (1972-10-01), Ishikawa et al.
patent: 3705805 (1972-12-01), Nittel et al.
patent: 3754919 (1973-08-01), Sobel et al.

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