Novel correction compositions and process for using same

Details Novel correction compositions and process for using same Novel correction compositions and process for using same

1987-12-03

1989-05-23

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Method of use, kit, or combined with marking instrument or...

427140, 427141, 427152, 428204, 428914, 503206, 503207, 503209, 503212, 503213, 503214, 503225, 503226, B41M 516, B41M 522

Patent

active

048331171

ABSTRACT:
Correction compositions for correcting markings provided on the surface of a pressure-sensitive chemical recording medium carrying a developer material which comprises an acidic developer by interaction of the developer material with a color-providing material. The compositions comprise a substantially uniform dispersion of an opacifying pigment, a polymeric film-forming material, and a Lewis acid. The composition is applied to a marking to provide a film which covers the marking, and a visible corrected marking can be provided on the film by applying a pattern of color-providing material corresponding to the corrected marking to the film.

REFERENCES:
patent: 3852089 (1974-12-01), Barough et al.
patent: 3997498 (1976-12-01), Reese et al.
patent: 4422671 (1983-12-01), Cespon
patent: 4773778 (1988-09-01), Pietsch

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