Cyan dye-forming couplers

Details Cyan dye-forming couplers Cyan dye-forming couplers

1980-07-10

1982-06-08

Brown, J. Travis

Radiation imagery chemistry: process, composition, or product th

Imaged product

Nonsilver image

430384, 430385, 430552, 430553, G03C 140

Patent

active

043339999

ABSTRACT:
Novel phenolic cyan dye-forming couplers contain in the 2-position a p-cyanophenylureido group. These couplers are useful in photographic emulsions, elements and processes.

REFERENCES:
patent: 3446622 (1969-05-01), Magagnoli et al.
patent: 3772002 (1973-11-01), Ramello
patent: 3880661 (1975-04-01), Lau et al.
patent: 4083721 (1978-04-01), Inouye et al.
patent: 4254212 (1981-03-01), Yagihara et al.

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