Stain resistant coating composition

Details Stain resistant coating composition Stain resistant coating composition

2005-06-28

2005-06-28

Anthony, Joseph D. (Department: 1714)

Compositions: coating or plastic

Coating or plastic compositions

Polishes

C106S010000, C106S011000, C252S188100, C252S188210, C252S188220, C252S188230, C524S418000, C524S429000

Reexamination Certificate

active

06911069

ABSTRACT:
Iodine or iodophor stain resistance is imparted to a surface by applying a hardenable coating composition containing an effective amount of a reducing agent having a redox potential sufficient to decolorize an iodine or iodophor stain. The reducing agent reacts with triiodide anion in the stain to change the stain coloration from a yellowish hue (e.g., yellow-white, yellow or brown) towards a lighter hue (e.g., pale yellow, white or transparent). This decolorization reaction takes place over a period of minutes, hours or days, and preferably can eventually cause the stain to disappear.

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