Use of indoleine-cyaninedisulphonic acid derivatives

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Antihalation or filter layer containing

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430495, 430510, 430517, 430592, 430944, 430581, 430583, 430585, 430588, G03C 106, G03C 1815, G03C 1825

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active

057472335

ABSTRACT:
The present invention relates to the use of dyestuffs of the general formula I ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 and M.sup..sym. are as defined in claim 1, as infrared-absorbing agents in hydrophilic colloidal layers, for example in recording materials or for detection purposes, recording materials, for example photographic recording materials, which comprise such dyestuffs in hydrophilic colloidal layers, and new dyestuffs of the general formula I.

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patent: 5445930 (1995-08-01), Harada et al.
Chem. Abstr. 146699z 115:732 (1991).
Chem. Abstr. 169019e 112:730 (1990).
Chem. Abstr. 108465a 112:663 (1990).

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