Heat bleachable antihalation composition, elements containing sa

Details Heat bleachable antihalation composition, elements containing sa Heat bleachable antihalation composition, elements containing sa

1996-01-05

1998-01-06

Chea, Thorl

Radiation imagery chemistry: process, composition, or product th

Thermographic process

Heat applied after imaging

430510, 430517, 430617, 430619, G03C 1498

Patent

active

057053235

ABSTRACT:
Heat bleachable antihalation compositions are prepared using metallized or unmetallized formazan dyes, hexaarylbiimidzoles having alkoxy substituents and organic carboxylic acids. These compositions are rapidly bleached at relatively low temperatures and can be used in photothermographic elements.

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patent: 5258274 (1993-11-01), Helland et al.

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