Diazotype material

Details Diazotype material Diazotype material

1978-10-13

1980-06-10

Louie, Jr., Won H.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

430148, G03C 152

Patent

active

042071100

ABSTRACT:
This invention relates to an improvement in a diazotype material comprising, in the light-sensitive layer, a diazo component and a coupling component which yields a black dyestuff image, the improvement that the diazo component is a 2,5-dialkoxy-4-morpholino-benzene diazonium salt and the coupling component is a combination of

REFERENCES:
patent: 2233038 (1941-02-01), Sus et al.
patent: 2542560 (1943-02-01), Neumann
patent: 2545057 (1951-03-01), von Glahn et al.
patent: 2717832 (1955-09-01), Sulich
patent: 3971663 (1976-07-01), Bialczak

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