Ecolab patents stain resistant coating.Patent No. U.S. 6,911,069 B2 Ecolab Inc. has received a patent for a coating composition comprised of a hardenable film-former and an effective amount of a reducing agent having a redox potential sufficient to decolorize de·col·or·ize tr.v. de·col·or·ized, de·col·or·iz·ing, de·col·or·iz·es To remove the color from. de·col an iodine or iodophor iodophor (īō´d  fôr),n a loose chemical compound of iodine with certain organic compounds; e.g., polyvinylpyrrolidone. stain on the film-former. The reducing agent comprises a sulfite sulfite /sul·fite/ (sul´fit) any salt of sulfurous acid. sul·fite n. A salt or ester of sulfurous acid. , hydrosulfite, nitrite, hydronitrite or hydrophospite and will at least partially decolorize a stain caused by the iodine complexed with polyvinylpyrrolidone polyvinylpyrrolidone /poly·vi·nyl·pyr·rol·i·done/ (-vi?nil-pi-ro´li-don) povidone. polyvinylpyrrolidone see povidone; called also PVP. when applied to the stain, allowed to stand for one hour at room temperature and evaluated by visual observation of the stain under average overhead fluorescent illumination. |
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