Process for making transfer elements

Details Process for making transfer elements Process for making transfer elements

1980-06-16

1982-04-27

Hess, Bruce H.

Coating processes

Transfer or copy sheet making

427152, 427156, 427 541, 428913, 428914, B41M 500

Patent

active

043271278

ABSTRACT:
Pressure-sensitive transfer elements having a plastic film foundation carrying a frangible, complete-release pressure-transfer layer applied by means of a volatile coating vehicle and comprising a solid solution of a fluorescing dye in the resinous binder material of said layer. Such transfer elements are adapted to transfer solid images to the surface of a copy sheet, which images fluoresce under exposure to ultraviolet light and are automatically detectible when sensed on the imaged surface of the copy sheet but are not detectible when sensed through the obverse side of the copy sheet.

REFERENCES:
patent: 2777781 (1957-01-01), Kordig et al.
patent: 3079351 (1963-02-01), Staneslow et al.
patent: 3639166 (1972-02-01), Fellows et al.

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