Diffusible-dye releasing type dyes which couple to form colorles

Details Diffusible-dye releasing type dyes which couple to form colorles Diffusible-dye releasing type dyes which couple to form colorles

1975-05-07

1977-06-14

Klein, David

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

96 3, 96 5, 96 6, 96 9, 96 51, 96 56, 96 663, 96 77, 96 95, 96 99, G03C 700, G03C 554, G03C 704, G03C 530

Patent

active

040295036

ABSTRACT:
A diffusible-dye releasing type dye consisting of a radical which reacts with an oxidation product of a color developing principal agent in a color development process to yield a substantially colorless compound and a dye residue carrying water-soluble radicals. Its photographic uses are also disclosed.

REFERENCES:
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patent: 2668112 (1954-02-01), DE Cat
patent: 3028238 (1962-04-01), Puschel et al.
patent: 3142565 (1964-07-01), Blout et al.
patent: 3227550 (1966-01-01), Whitmore et al.
patent: 3255001 (1966-06-01), Blout et al.
patent: 3297441 (1967-01-01), Green et al.
patent: 3443940 (1969-05-01), Bloom et al.
patent: 3628952 (1971-12-01), Puschel et al.
patent: 3649266 (1972-03-01), Chapman et al.
patent: 3841880 (1974-10-01), Kertel

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