Poly (alkylene oxide)s in photographic elements

Details Poly (alkylene oxide)s in photographic elements Poly (alkylene oxide)s in photographic elements

1997-04-30

1999-02-16

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430514, 430515, 430516, 430533, 430535, 430629, 430635, 430636, G03C 1295

Patent

active

058718990

ABSTRACT:
A silver halide color photographic element comprising a support, a silver halide emulsion and poly(alkylene oxide)s wherein greater than 50 percent of the poly(alkylene oxide)s have acidic functional end groups with an aqueous pKa.ltoreq.10, or end groups which will react to form acidic functional end groups with an aqueous pKa.ltoreq.10 during development, on both termini; and wherein the poly(alkylene oxide)s have a molecular weight ranging substantially between 1700 and 6000 AMU.

REFERENCES:
patent: 3947273 (1976-03-01), Pollet et al.
patent: 4916054 (1990-04-01), Yoneyama et al.
Y. Inaba and A. Kumai: Photographic Science and Engineering, vol. 17, No. 6, Nov./Dec. 1973.

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