Recording material containing a diazo compound and a filter...

Details Recording material containing a diazo compound and a filter... Recording material containing a diazo compound and a filter...

G - Physics

03

C

96/200, 96/205

G03C 1/60 (2006.01) G03C 1/52 (2006.01) G03C 1/815 (2006.01) G03C 5/08 (2006.01)

Patent

CA 1148404

ABSTRACT OF THE DISCLOSURE This invention relates to a recording material con- taining 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 in- soluble 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 500nm. The invention also relates to a process for the manufacture of a recording material.

361686

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