Phenoxy carbonyl derivatives of a paraphenylenediamine color dev

Details Phenoxy carbonyl derivatives of a paraphenylenediamine color dev Phenoxy carbonyl derivatives of a paraphenylenediamine color dev

1976-02-13

1977-11-29

Klein, David

Gas separation: apparatus

Electric field separation apparatus

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

96 3, 96 55, 96 77, 96100R, 428411, 560 32, G03C 700, G03C 554, G03C 140, C07C 7946

Patent

active

040604187

ABSTRACT:
Compounds of the formula: ##STR1## wherein R is halogen or trifluoromethyl, n is 0 to 5, and CD is the residue of a paraphenylenediamine color developer having a primary amino group available for oxidative coupling, the phenoxycarbonyl group being attached to the primary nitrogen atom of the paraphenylenediamine color developer, are used in a receiving sheet of a diffusion transfer photographic element for coupling with a color former to form a stable dye.

REFERENCES:
patent: 2026618 (1934-07-01), Etzelmiller
patent: 2026619 (1934-07-01), Etzelmiller
patent: 2559643 (1951-07-01), Land
patent: 2774668 (1956-12-01), Rogers
patent: 3291609 (1966-12-01), Porter
patent: 3301772 (1967-01-01), Viro
patent: 3359104 (1967-12-01), Viro
patent: 3584000 (1961-06-01), Hobart et al.
patent: 3728116 (1973-04-01), Waxman et al.
"Alkali-Releasable Incorporated Developer Derivatives," Research Disclosures, No. 9423, 2/1972.

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