Dispersions of water-insoluble photographic addenda with petrole

Details Dispersions of water-insoluble photographic addenda with petrole Dispersions of water-insoluble photographic addenda with petrole

1985-11-21

1986-11-25

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Imaged product

Multilayer

252353, 430449, 430493, 430510, 430512, 430531, 430546, 430559, 430566, 430629, 430636, G03C 104, G03C 138, G03C 140, G03C 184

Patent

active

046249036

ABSTRACT:
Liquid petroleum sulfonates are useful alone or in combination with less lipophilic anionic surfactants in the preparation of dispersions of water-insoluble photographic addenda, such as couplers and ultraviolet absorbers, in hydrophilic colloid compositions. Such dispersions are useful in photographic elements. Crystallization of the addenda is inhibited and, for some addenda, other advantages are obtained.

REFERENCES:
patent: 2388677 (1945-11-01), Cohen
patent: 3223648 (1965-12-01), Plapper et al.
patent: 3912517 (1975-10-01), Poucke et al.
patent: 4140530 (1979-02-01), Trunley et al.
patent: 4146399 (1979-03-01), Trunley et al.
patent: 4211836 (1980-07-01), Yoneyama et al.
"Anionic Surfactants", Surface Science Series, vol. 7, edited by W. M. Linfield, Dekker, N.Y., 1976, vol. II, pp. 315-343.

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