Imine dye and photographic elements containing same

Details Imine dye and photographic elements containing same Imine dye and photographic elements containing same

1993-07-20

1995-11-14

Tsang, Cecilia

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

544306, 544345, 546 82, 546165, 546230, 548150, 548152, 548180, 548217, 548238, 5483097, 5483701, 548436, 558300, 558302, 558403, 549401, 549479, 8551, 8567, 8568, 8571, 8572, 8573, 8574, 8576, C07D27762, C07D23330, C07D48700, C07D23902, C07C25500

Patent

active

054668131

ABSTRACT:
Imine dyes useful in photographic materials have the formula ##STR1## wherein R.sup.1, E.sup.1, E.sup.2, L.sup.1, L.sup.2, L.sup.3,D and m are defined as in the specification.
Solid particle dispersions of dyes of formula (I) that contain at least one base-ionizable functional group such as carboxy, sulfonamido, or sulfamoyl are useful as filter dyes in photographic elements.

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