Silver halide photographic materials with surface layers compris

Details Silver halide photographic materials with surface layers compris Silver halide photographic materials with surface layers compris

1975-04-17

1977-05-03

Kimlin, Edward C.

Gas separation: apparatus

Electric field separation apparatus

Including gas flow distribution means

96 68, 96 69, 96 72, 96 73, 96 74, 961147, G03C 176, G03C 300, G03C 102

Patent

active

040212440

ABSTRACT:
Silver halide photographic sensitive materials which comprise a surface layer containing acid treated gelatin and alkali treated gelatin, wherein the ratio by weight of the alkali treated gelatin to the acid treated gelatin is about 0.5 to less than about 100%.

REFERENCES:
patent: 2101877 (1937-12-01), Sheppard et al.
patent: 2398004 (1964-04-01), Houck et al.
patent: 2976250 (1961-03-01), Walford
patent: 3507678 (1970-04-01), Shimizu et al.
patent: 3551151 (1970-12-01), Malan
"Gelatin," Kirk-Othmer Encylc. of Chem. Techn., vol. 10, pp. 503-505, 1967, 2nd Ed.
"Gelatin Mixtures," Research Disclosure, Eastman Kodak, 9/1974, p. 21.

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