Image-receiving element with unitary image-receiving and decolor

Details Image-receiving element with unitary image-receiving and decolor Image-receiving element with unitary image-receiving and decolor

1983-09-01

1985-03-05

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...

430216, 430941, G03C 554, G03C 140

Patent

active

045031380

ABSTRACT:
Image-receiving elements for use in photographic diffusion transfer products and processes and including a unitary image-receiving and decolorizing layer are disclosed. The unitary image-receiving and decolorizing layer comprises a mixture of gelatin, an organic monobasic or polybasic acid or anhydride and a copolymeric mordant comprising recurring units from a vinylpyridine and from a copolymerizable vinylbenzyl quaternary ammonium salt. The image-receiving elements can be used in diffusion transfer products and processes for the provision of color images which appear satisfactorily to emerge from a white background and which exhibit desirable densitometric characteristics.

REFERENCES:
patent: 3148061 (1964-09-01), Haas
patent: 3208964 (1965-09-01), Valle
patent: 3647437 (1972-03-01), Land
patent: 4294907 (1981-10-01), Bronstein-Bonte et al.
patent: 4298674 (1981-11-01), Land et al.
patent: 4322489 (1982-03-01), Land et al.
patent: 4340522 (1982-07-01), Bronstein-Bonte et al.
patent: 4367277 (1983-01-01), Chiklis et al.
"Neutralizing Materials in Photographic Elements", Research Disclosure, No. 12331, 7/1974, pp. 22-24.

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