Diazo composition containing an azo coupling component...

Details Diazo composition containing an azo coupling component... Diazo composition containing an azo coupling component...

G - Physics

03

C

96/161, 96/219

G03C 1/54 (2006.01) G03C 1/58 (2006.01) G03C 1/61 (2006.01) G03C 5/18 (2006.01)

Patent

CA 1119873

ABSTRACT OF THE DISCLOSURE Diazo compositions comprising at least one diazonium compound, at least one precursor of an azo- coupling component which is capable of being converted in the presence of an acid to an active azo-coupling component, at least one light-sensitive acid progenitor and at least one carboxylic acid anhydride; diazotype materials prepared from such compositions; and negative-working imaging processes employing such diazotype materials are described.

289110

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