Color development composition and process

Details Color development composition and process Color development composition and process

1994-03-18

1995-11-14

Van Le, Hoa

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Developing

430467, 430486, 430487, G03C 7407

Patent

active

054665655

ABSTRACT:
Color development composition and process. The compositions of this invention contain a color developer containing poly(N-hydroxyl alkyleneimine) and/or a derivative thereof, which are represented by general formula (I) shown below: ##STR1## wherein: "R" in said formula (I) represents an alkylene group, which may be substituted by a hydroxyl group, a carboxyl group, a sulfo group or other similar groups and may contain carbonyl linkage, ether linkage, double bond or other similar bond or linkage, and may also have a cyclic structure;" and ".sub.n " in said formula (I) represents an integer in the range from 10 to 10,000. These compositions are used for processing silver halide-type color sensitized material. These compositions maintain the usable life of a color developer, do not cause decrease of color density or deterioration of quality of photographs such as fogging, and have no odor or deleterious substance.

REFERENCES:
patent: 3364262 (1968-01-01), Cyba
patent: 5017644 (1991-05-01), Fuller et al.

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