Nitrogen-containing heterocyclic blocked mercapto development in

Details Nitrogen-containing heterocyclic blocked mercapto development in Nitrogen-containing heterocyclic blocked mercapto development in

1984-08-21

1985-12-31

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

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

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

430382, 430390, 430445, 430544, 430559, 430611, 430957, 430960, G03C 554, G03C 140, G03C 134

Patent

active

045621381

ABSTRACT:
This invention relates to nitrogen containing heterocyclic compounds represented by the general formula ##STR1## wherein Z is non-metallic atoms necessary to form a tetrazole, a benzotriazole or a benzothiazole, either substituted or unsubstituted, n is either 1 or 2 and R is alkyl or phenyl. The above mentioned compounds can be suitably used in a photographic material as a development inhibitor precursor.

REFERENCES:
patent: 3260597 (1966-07-01), Weyerts et al.
patent: 3844788 (1974-10-01), Burness et al.
patent: 4009029 (1977-02-01), Hammond et al.
patent: 4246333 (1981-01-01), Fuseya et al.
patent: 4297431 (1981-10-01), Sullivan
patent: 4355101 (1982-10-01), Mehta et al.

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