Amino hydroxy cyclohexenone developing agents

Details Amino hydroxy cyclohexenone developing agents Amino hydroxy cyclohexenone developing agents

1980-12-30

1983-02-01

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430239, 430249, 430380, 430390, 430405, 430442, 430484, 430543, 430559, 430566, G03C 142, G03C 148

Patent

active

043716032

ABSTRACT:
This invention relates to amino hydroxy cyclohexenones of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each are alkyl, usually containing 1 to 20 carbon atoms.
In another embodiment, the present invention is directed to the use of the above-denoted compounds as photographic silver halide developing agents and to photographic processes, products and compositions employing the same.

REFERENCES:
patent: 3690872 (1972-09-01), Gabrielsen et al.
patent: 3700442 (1972-10-01), Gabrielsen et al.
patent: 3816137 (1974-06-01), Gabrielsen et al.

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