Reducer and method for conducting dot etching processing of silv

Details Reducer and method for conducting dot etching processing of silv Reducer and method for conducting dot etching processing of silv

1991-07-03

1992-08-18

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430430, 430461, 2521882, G03C 542

Patent

active

051399202

ABSTRACT:
A reducer and a method for conducting dot etching processing using the reducer, the reducer comprising (1) an amino polycarboxylic acid ferric chelate compound having an oxidation-reduction potential of -100 mV or above, (2) a complexing agent, and (3) at least one member of the compounds represented by the following general formulae (IA) to (VIIA). ##STR1## All symbols are defined in the specification.

REFERENCES:
patent: 4756918 (1988-07-01), Ueda et al.

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