Diazo copying material

Details Diazo copying material Diazo copying material

1979-04-11

1980-09-30

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

430148, 430182, G03C 158

Patent

active

042256623

ABSTRACT:
This invention provides yellow-developing couplers for use in diazo copying materials, which couplers are superior in light fastness and are expressed by the general formula: ##STR1## wherein X and Y represent hydrogen atom, halogen, or alkyl radical or alkoxy radical having 1 to 6 carbon atoms.

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patent: 3785826 (1974-01-01), Slimowicz et al.
patent: 3875142 (1975-04-01), Yomamoto et al.
Dinaburg M.S., "Photosensitive Diazo cpds", The Focal Press, 1964, p. 106-107.
Koser J., "Light-Sensitve Systems", J. Wiley & Sons, 1965, p. 242, 243 and 247.
Londau, R., "Foscicules 9 & 17", Dist. Andrews Paper Co., 1962, p. 62, 78 and 79.
Classification Definitions, USPTO.

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