US Patent Issued to 3M Innovative Properties on May 19 for "Optical devices containing multi-layer optical articles with an IR-absorbing adhesive layer" (Minnesota Inventors)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,808, issued on May 19, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Optical devices containing multi-layer optical articles with an IR-absorbing adhesive layer" was invented by Bryan V. Hunt (Nowthen, Minn.), Ying Zhang (Woodbury, Minn.), Ian Dailey (Maplewood, Minn.), Nicholas L. Untiedt (Minneapolis), Neeraj Sharma (Lake Elmo, Minn.) and Nicole L. Wills (Eagan, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Optical devices include a visible light source, a visible light detector, and a multi-layer film article in the pathway between the visible light source and the visible light detector. The multi-layer film article inclu...