Solid particle dispersions of filter dyes for photographic eleme

Details Solid particle dispersions of filter dyes for photographic eleme Solid particle dispersions of filter dyes for photographic eleme

1990-04-04

1991-02-19

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430507, 430594, G03C 106

Patent

active

049943561

ABSTRACT:
Solid particle dispersions of dyes according to the formula: ##STR1## are disclosed as filter dyes for photographic elements. In this formula, n is 0 or 1.

REFERENCES:
patent: 3502474 (1970-03-01), Tsuda et al.
patent: 3512983 (1970-05-01), Watanabe et al.
patent: 4294916 (1981-10-01), Postle et al.
patent: 4294917 (1981-10-01), Postle et al.
patent: 4855221 (1989-08-01), Factor et al.
patent: 4857446 (1989-08-01), Diehl et al.
patent: 4940654 (1990-07-01), Diehl et al.
Ser. No. 373,747, Jul. 1979, Diehl et al.
Ser. No. 373,749, Oct. 1983, Diehl et al.

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