Aqueous dispersions of photographic ingredients

Details Aqueous dispersions of photographic ingredients Aqueous dispersions of photographic ingredients

1976-04-05

1978-02-21

Brown, J. Travis

Gas separation: apparatus

Electric field separation apparatus

Collecting electrode details

96 94R, 961147, 106135, 260118, 424300, G03C 140, G03C 102

Patent

active

040750221

ABSTRACT:
Hydrophilic colloid compositions are described which may form part of a light-sensitive silver halide element, the said compositions comprising a dihalo- or trihalo-ethylcarbonate of the formula ##STR1## wherein X is halogen, X' is halogen or hydrogen and each of R.sup.1 and R.sup.2 are an alkyl or aryl group, in order to inhibit growth of bacteria and fungi, to protect the hydrophilic colloid against degeneration and/or to improve the stability of dispersed photographic ingredients.

REFERENCES:
patent: 3554755 (1971-01-01), Rinauro
patent: 3567455 (1971-03-01), Seelig et al.
patent: 3926631 (1975-12-01), Arai et al.

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