Photographic element containing a thermal dye bleach system

Details Photographic element containing a thermal dye bleach system Photographic element containing a thermal dye bleach system

1992-04-30

1993-11-30

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430339, 430513, 430517, 430522, 430944, G03C 1815

Patent

active

052664520

ABSTRACT:
A photographic element containing a thermal-dye-bleach construction includes a thermal nucleophile-generating agent in association with a polymethine dye having a nucleus of general formula (I): ##STR1##

REFERENCES:
patent: 3220846 (1965-11-01), Tinker et al.
patent: 3684552 (1972-08-01), Wiese et al.
patent: 4060420 (1977-11-01), Merkel et al.
Polymethine Dyes, I. William Tummler and Bernard Wildi, Dec. 19, 1957, Monsanto Chemical Co.

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