Photographic elements containing 5-pyrazolone magenta couplers

Details Photographic elements containing 5-pyrazolone magenta couplers Photographic elements containing 5-pyrazolone magenta couplers

1979-02-05

1981-04-14

Brown, J. Travis

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Two or more radiation-sensitive layers containing other than...

430387, 430, 430558, G03C 140

Patent

active

042620872

ABSTRACT:
2-equivalent 5-pyrazolone magenta couplers having a 1,2,4-triazole with a halogen in the 3-position and a hydrogen in the 5-position thereof are particularly useful in color photographic emulsions.

REFERENCES:
patent: 2435182 (1948-01-01), Long et al.
patent: 4076533 (1978-02-01), Ota et al.

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