Imaging element containing dye masking coupler

Details Imaging element containing dye masking coupler Imaging element containing dye masking coupler

1986-09-15

1988-06-07

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Color correcting

430226, 430361, 430543, 430549, 430553, 430555, 430557, G03C 726, G03C 730, G03C 732, G03C 740

Patent

active

047496410

ABSTRACT:
An imaging element is described which comprises a colorless coupler compound which contains an oxidizable lueco dye moiety and optionally a colorless dye image-forming coupler compound. Following color development a masking dye is obtained by oxidation of the leuco dye moiety in areas where no photographic development occurs.

REFERENCES:
patent: 2449966 (1948-09-01), Hanson, Jr.
patent: 3186840 (1965-06-01), Puschel et al.
patent: 3880658 (1975-04-01), Lestina et al.
patent: 4046573 (1977-09-01), Inouye et al.
Research Disclosure 17643, Dec. 1978, pp. 22-31.

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