Transfer elements

Details Transfer elements Transfer elements

1978-11-27

1980-12-09

Hess, Bruce H.

Stock material or miscellaneous articles

Composite

Of wax or waxy material

106 31, 427 541, 427153, 428323, 428488, 428913, 428914, B41M 510

Patent

active

042385490

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: 2822288 (1958-02-01), Harvey et al.
patent: 3036924 (1962-05-01), Newman
patent: 3079351 (1963-02-01), Staneslow et al.
patent: 3446646 (1969-05-01), Terry
patent: 3449149 (1969-06-01), Toussaint
patent: 3639166 (1972-02-01), Fellows et al.
patent: 3684549 (1972-08-01), Shank
patent: 4063754 (1977-12-01), Shackle et al.

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