Photographic element comprising quaternary nitrogen polymeric mo

Details Photographic element comprising quaternary nitrogen polymeric mo Photographic element comprising quaternary nitrogen polymeric mo

1978-04-18

1979-04-03

Schilling, Richard L.

Gas separation: apparatus

Electric field separation apparatus

Plural diverse electric fields

96 3, 96 29D, 96 84A, 96119R, 428500, 428522, G03C 700, G03C 140, G03C 554, G03C 184

Patent

active

041475488

ABSTRACT:
A photographic element comprising a support having thereon at least one layer containing a polymeric mordant containing a repeating unit represented by the general formula (I): ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, each represents a hydrogen atom or a lower alkyl group having 1 to 6 carbon atoms; R.sub.3 and R.sub.4, which may be the same or different, each represents a methyl group or an ethyl group; Y represents a halogen atom, a nitro group, a cyano group, a methoxy group, a methoxycarbonyl group or an ethylthio group; and X.crclbar. represents an anion.

REFERENCES:
patent: 3958995 (1976-05-01), Campbell et al.

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