Process for processing silver halide developing agents

Details Process for processing silver halide developing agents Process for processing silver halide developing agents

1977-04-05

1979-05-08

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 4944

Patent

active

041536312

ABSTRACT:
A process for preparing a silver halide developing agent of the formula: ##STR1## where R.sup.1 can be the same or different substituent which will not impair the functionality of the compound as a silver halide developing agent. Specific substituents include hydrogen, alkyl radicals and alkoxy radicals among others. The silver halide developing agents are known as "ligand developers" and are particularly useful in diffusion transfer photographic products and processes.

REFERENCES:
patent: 3629336 (1971-12-01), Idelson
patent: 3772368 (1973-11-01), Bader et al.
patent: 3812191 (1974-05-01), Bader et al.
patent: 3903169 (1975-09-01), Bader et al.
Chatterjea et al., Indian J. Chem., vol. 11, pp. 214-218 (1973).

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