Thioethers in photographic elements

Details Thioethers in photographic elements Thioethers in photographic elements

1997-04-30

1998-08-04

Huff, Mark F.

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Developing

430448, 430469, 430487, 430603, 430611, G03C 1043, G03C 1295

Patent

active

057891435

ABSTRACT:
This invention relates to a silver halide color photographic element comprising a support, a silver halide emulsion and poly(thioether)s wherein greater than 50 percent of the poly(thioether)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(thioether)s have a molecular weight greater than 800.

REFERENCES:
patent: 3201242 (1965-08-01), Schwan et al.
patent: 3813247 (1974-05-01), Minsk et al.
patent: 4013471 (1977-03-01), Pollet et al.
patent: 4072523 (1978-02-01), Pollet et al.
patent: 4292400 (1981-09-01), Pollet et al.
patent: 4665017 (1987-05-01), Mifune et al.
patent: 5041367 (1991-08-01), Sniadoch
patent: 5691130 (1997-11-01), Buitano et al.

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