Recording material containing diazo compounds and process for th

Details Recording material containing diazo compounds and process for th Recording material containing diazo compounds and process for th

1980-10-27

1982-03-02

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Micrography, process, composition, or product other than...

430162, 430168, 430169, 430512, 430514, 430517, 430519, 430533, 430931, G03C 160, G03C 174, G03C 180

Patent

active

043178758

ABSTRACT:
This invention relates to a recording material containing diazo compounds, in particular a microfilm, comprising a film base which is at least partially pervious to visible radiation, a light-sensitive layer and, on the reverse side of the film base, a filter layer which absorbs light in the long-wave ultraviolet spectral range and in the short-wave visible spectral range, wherein the filter layer is composed of a polymer which is insoluble or has been rendered insoluble by cross-linking, and of at least one yellow to orange-colored dye which is compatible with the constituents of the polymer and absorbs light in the range between about 360 nm and about 500 nm. The invention also relates to a process for the manufacture of a recording material.

REFERENCES:
patent: 3661591 (1972-05-01), Reed
patent: 3912512 (1975-10-01), Kumins
patent: 4080208 (1978-03-01), Bialczak
patent: 4225659 (1980-09-01), Drexler

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