Monomethine compounds

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing

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430567, 430574, 548181, G03C 116

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active

049961411

ABSTRACT:
Compounds of the formula ##STR1## where A represents the atoms necessary to complete a benzoxazole or naphthoxazole ring which is optionally substituted, R.sub.1 and R.sub.2 are each alkyl, hydroxyalkyl or alkoxy alkyl groups wherein the alkyl moiety comprises 1 to 4 carbon atoms, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are each hydrogen atoms or alkyl groups having 1 to 4 carbon atoms or phenyl groups, and X is an anion.

REFERENCES:
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patent: 3424586 (1969-01-01), Gotze
patent: 3816131 (1974-06-01), Kampfer et al.
patent: 4210715 (1980-07-01), Fujiwhara et al.
patent: 4469785 (1984-09-01), Tanaka et al.
patent: 4609621 (1986-09-01), Sugimoto et al.
patent: 4769316 (1988-09-01), Miyasaki et al.
Gershtein et al., Chemical Abstracts, vol. 97, No. 12, Sep. 20, 1982, page 82, No. 93957h.

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