Developing solution for light-sensitive silver halide photograph

Details Developing solution for light-sensitive silver halide photograph Developing solution for light-sensitive silver halide photograph

1990-09-21

1992-02-04

Hunt, Brooks H.

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Developing

430445, 430446, 430480, 430483, 430486, 430487, 430489, 430490, G03C 524

Patent

active

H00010200

ABSTRACT:
A developer for developing a silver halide light-sensitive material and an image forming method using the developer are disclosed. The developer contains a compound represented by the following formula I or II and a compound containing a thioether group. ##STR1## wherein Y, Y.sub.1 and Y.sub.2 are each a hydrogen atom or a mercapto group, and R and R.sub.1 are each a substituent. A silver halide light-sensitive material containing silver halide grains comprising not less than 50 mol % of silver chloride and have a ratio of (100) surface and (111) surface of not less than 5 is preferably used in the image forming method. Developing speed and sensitivity of light-sensitive material can be rised by use of the developer.

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