Solid particle dye dispersions for photographic filter layers

Details Solid particle dye dispersions for photographic filter layers Solid particle dye dispersions for photographic filter layers

1989-06-30

1990-08-14

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430507, 430512, 430517, 430522, 430553, 430555, G03C 184

Patent

active

049487175

ABSTRACT:
Dyes having the structure ##STR1## A represents a substituted or unsubstituted nucleus selected from the group consisting of rhodanines, hydantoins, 2-thiohydantions, 4-thiohydantoins, 2,4-oxazolidindiones, 2-thio-2,4-oxazolidindiones, isoxazolinones, barbiturics, 2-thiobarbiturics, and indandiones, said nucleus having a carboxyphenyl substituent or sulfonamidophenyl substituent,

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patent: 4857446 (1989-08-01), Diehl et al.
Research Disclosure, Item 14416, Apr. 1976.
Hamer, The Cyanine Dyes and Related Compounds; pp. 463-485, 1964.
Research Disclosure 14416, Light-Absorbing Dyes for Photographic Elements, Apr. 1976, pp. 17-20.
Palmer, The Structure and Reactions of Heterocyclic Compounds, 1967; pp. 377 and 383-384.
Elderfield, Heterocyclic Compounds, vol. 5, 1957; pp. 413, 415 and 416.

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