US Patent Issued to The Government of the United States of America, as represented by the Secretary of the Navy on April 14 for "Indicating cross-contamination of volatile organic compounds between closed containers using a colorimetric sensor" (District Of Columbia, Florida Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,723, issued on April 14, was assigned to The Government of the United States of America, as represented by the Secretary of the Navy (Arlington, Va.).

"Indicating cross-contamination of volatile organic compounds between closed containers using a colorimetric sensor" was invented by Lauryn E. DeGreeff (Washington), Christopher J. Katilie (Washington) and Janet Crespo-Cajigas (Miami).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus having: a container, a first openable vessel within the container, an analyte within the first vessel, and a vapochromic sensor within the container. The vapochromic sensor changes color on contact with a vapor ...