Adhesively correctable transfer medium with delayed alteration r

Details Adhesively correctable transfer medium with delayed alteration r Adhesively correctable transfer medium with delayed alteration r

1977-03-24

1979-07-17

Lesmes, George F.

Stock material or miscellaneous articles

Metal continuous phase interengaged with nonmetal continuous...

106 20, 106 22, 106 28, 283 8B, 283 9R, 428915, 428916, 427 7, 400237, B41J 3106

Patent

active

041615514

ABSTRACT:
An ink formulation which may be coated on a flexible substratum to produce a typewriter ribbon or the like, wherein the impression made from such a ribbon is capable of adhesive removal shortly after being created on all conventional typing papers, but which impression exhibits delayed alteration resistance whereby any attempt at correcting or removing the indicia by pressure sensitive adhesive means or, altering the indicia by erasing and the like, will leave an obvious and permanent indication that a removal was attempted.

REFERENCES:
patent: 2338042 (1943-12-01), Kline
patent: 2382861 (1945-08-01), Curado
patent: 2441300 (1948-05-01), Bunte
patent: 3105769 (1963-10-01), Ellerin
patent: 3671287 (1972-06-01), Maniar
patent: 3778395 (1973-12-01), Huelsman et al.

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