High speed diazonium salts useful in diazo type photoreproductio

Details High speed diazonium salts useful in diazo type photoreproductio High speed diazonium salts useful in diazo type photoreproductio

1982-09-30

1986-05-20

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Diazo or diazonium

430146, 430157, 430168, 430171, 430180, 430181, 430182, 430183, 430185, 430186, 430187, 534559, 534560, 534565, 564409, 564417, 564418, 564419, 568 33, 568928, 568937, 568939, C07C11300, C07C11304, G03C 152, G03C 518

Patent

active

045902631

ABSTRACT:
Novel diazonium salts which possess excellent photo speed, good thermal stability, exceptional resistance to discoloration in the D.sub.min areas, rapid development, and allow a wide range of azo dye colors are provided. The diazonium salts are of the following formula: ##STR1## wherein R.sub.1 is tertiary butyl or tertiary amyl; Y is hydrogen, alkyl, hydroxyalkyl, cyanoalkyl, cycloalkyl, aralkyl, alkoxy, aryloxy, aralkoxy, aralkylthio, arylthio, alkylthio, halogen, allyl, allyloxy, allylthio, cyanoalkoxy, hydroxyalkoxy, methoxyalkoxy, trifluoroalkyl, alkylacetylamino, morpholino, or dialkyl carbonamido;

REFERENCES:
patent: 1875243 (1932-08-01), Johner
patent: 3397058 (1968-08-01), Van Loon et al.
patent: 3442650 (1969-05-01), Hendrickx et al.

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