Photochromic indicator and a method of documenting decontamination of an object using a photochromic indicator

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United States of America Patent

PATENT NO 11007294
APP PUB NO 20190351086A1
SERIAL NO

16531282

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Abstract

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Provided is a method and an apparatus for indicating minimum exposure of a surface to UVC light emitted by a source during a decontamination process to achieve a desired level of pathogen reduction. The apparatus includes a photochromic material to be applied to, or applied adjacent to the surface. The photochromic material is to exhibit a visible response to receiving the minimum exposure to the UVC light, and exhibit the visible response to a lesser extent after the photochromic material ceases to be exposed to the UVC light emitted by the source. A protective layer of material that is substantially transparent to the UVC light emitted by the source is positioned over the photochromic material to be disposed between the source and the photochromic material during the decontamination process.

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Patent Owner(s)

  • DIVERSEY, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dayton, Roderick M Strongsville, US 32 350

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