The Procter Gamble Company

Kady Lynn Willison

Alan David Willey

Robb Richard Gardner

Jacob Robert Adams

William Richard Mueller

Kenneth Edward Yelm

Gregory Mark Bunke

Method and apparatus for treating dishware, in which the method comprises the steps of providing a treatment composition comprising a photoactive component, contacting in an appliance the treatment composition with the dishware, and irradiating the treatment composition with visible light. The step of irradiating the treatment composition with visible light is performed with a source of light that is tool free insertable into and removable from the appliance.

Method for treating dishware

Photoactivators comprise a photoactive moiety and a hydrophilic moiety. The photoactivators preferably comprise less than about 35%, by weight of the photoactivator, of the photoactive moiety. The photoactivators can be activated to a photo-excited state by excitation with incident radiation of a wavelength between about 350 nm and 750 nm, preferably between about 350 nm and about 420 nm. The photoactivators further encompass those having certain chemical formulations.

Photoactivators

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Cincinnati, OH, United States of America

Kady Lynn Willison