Use of carbon adsorption deactivating compounds in image transfe

Details Use of carbon adsorption deactivating compounds in image transfe Use of carbon adsorption deactivating compounds in image transfe

1983-10-20

1984-09-11

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Nonradiation sensitive image processing compositions or...

Developer

106307, 106308Q, G03C 554, G03C 530

Patent

active

044710470

ABSTRACT:
Image transfer photographic elements, assemblages, processes and compositions are described which employ carbon black in an opaque layer and/or alkaline processing composition, the carbon black having a deactivating compound adsorbed thereto so that dye image-providing material can diffuse through the opaque layer and/or processing composition without any substantial adsorption thereof to the carbon black, the deactivating compound being incapable of releasing any dye moiety therefrom.
In a preferred embodiment, the deactivating compound has the following formula: ##STR1## wherein: (a) Ballast is an organic ballasting radical;

REFERENCES:
patent: 3476563 (1969-11-01), Loria
patent: 3647437 (1972-03-01), Land
patent: 4245028 (1981-01-01), Fujita et al.
patent: 4353973 (1982-10-01), Wheeler
patent: 4356250 (1982-10-01), Irani et al.
Research Disclosure, vol. 151, Nov. 1976, Item 15162.

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