Expanding vehicle for colorimetric diagnostic assays

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United States of America Patent

PATENT NO 5468450
SERIAL NO

08168753

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention provides a vehicle for colorimetric assay which expands upon contact with biological fluids. This expansion allows easy visualization of color changes associated with colorimetric assays, particularly when the vehicle is distributed as particles within animal litters.

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Patent Owner(s)

  • RALSTON PURINA COMPANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Michael, Richard D 7910 Milbury Rd., Baltimore, MD 21207 4 49

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