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US 8,084,410 B2Granted
Monitoring cleaning of surfaces
AssigneeKleancheck Systems, LLC
InventorPhilip C. Carling
Life of this patent
Estimating the term…
Abstract
A method for monitoring cleaning of a surface includes applying an amount of transparent indicator material to an area of a surface and measuring the amount of transparent indicator material remaining on the surface. The transparent indicator material may be fixed on the surface by drying and, when a fluorescent material, may be measured through exposure to ultraviolet radiation.
Claims19
A composition for monitoring cleaning of a surface, the composition including:
- a carrier;
- a transparent indicator soluble in the carrier;
- a transparent source of adherence, the transparent source of adherence being adherable to the surface and soluble in the carrier, wherein the transparent source of adherence is methyl cellulose;
- and
- a surfactant.
2 more elements
Dependencies are inferred from the claim text.