Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1991-08-26
1993-02-09
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Transfer procedure between image and image layer, image...
Diffusion transfer process, element, or identified image...
430201, 430224, 430402, 430542, 430565, G03C 554, G03C 726
Patent
active
051852314
ABSTRACT:
Certain fluoran dyes have been found to be effective reducing agents for silver ion in dry silver constructions. The fluoran dyes have the following structure: ##STR1## wherein: R.sup.1 represents methyl or n-butyl;
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Evearitt Gregory A.
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Schilling Richard L.
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