Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Antihalation or filter layer containing
Patent
1988-03-10
1989-10-03
Brammer, Jack P.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Antihalation or filter layer containing
430512, 430517, 430592, 548411, 548426, 548424, 548509, G03C 184
Patent
active
048716561
ABSTRACT:
A dye useful for absorbing infrared radiation in photographic elements, having the structure: ##STR1## is disclosed. In this formula, R.sub.1 and R.sub.2 each independently represents sulfoalkyl, carboxyalkyl, or sulfatoalkyl, from 2 to 4 carbon atoms, having 2 carbon atoms in the alkyl chain linking the nitrogen atom of each Z ring and the sulfo or sulfato group, and 1 carbon atom in the alkyl chain linking the nitrogen atom of each Z ring and the carboxy group.
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patent: 3865817 (1975-02-01), Kobayashi et al.
patent: 4362800 (1982-12-01), Takinoto et al.
patent: 4581325 (1986-04-01), Kitchin et al.
C.A. 11B46u, Chemical Abstract vol. 66, 1967 p. 1172, 9MITH.
Adin Anthony
Collett David J.
Gingello Anthony D.
Parton Richard L.
Stegman David A.
Brammer Jack P.
Eastman Kodak Company
Marshall Paul L.
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