Multicolor diffusion transfer products

Details Multicolor diffusion transfer products Multicolor diffusion transfer products

1980-03-21

1982-05-11

Brown, J. Travis

Radiation imagery chemistry: process, composition, or product th

Including control feature responsive to a test or measurement

430220, 430236, 430359, 430507, 430513, 430517, G03C 700

Patent

active

043294111

ABSTRACT:
The sensitometric properties of multicolor diffusion transfer film units may be modified after the photosensitive element has been coated. Sensitometric modification is effected by a photoexposure through a layer of a color correction dye(s). In a preferred embodiment, the color correction dye(s) is bleachable and is contained in a layer over the image-receiving layer.

REFERENCES:
patent: 2571697 (1951-10-01), Evans
patent: 3184307 (1965-05-01), Letzer
patent: 3415644 (1968-12-01), Land
patent: 3547640 (1970-12-01), Becket et al.
patent: 3672898 (1972-06-01), Schwan et al.
patent: 3685900 (1972-08-01), Kirby et al.
patent: 3819376 (1974-06-01), Land
patent: 3854945 (1974-12-01), Bush et al.
patent: 3990898 (1976-11-01), Land
"Neutralizing Materials . . . ", Research Disclosure, No. 12331, 7/74, pp. 20 and 21.

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