US Patent Issued to Solutia on May 20 for "Polymer coating layers for use with holographic optical elements" (Massachusetts Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,175, issued on May 20, was assigned to Solutia Inc. (St. Louis, R.I.).

"Polymer coating layers for use with holographic optical elements" was invented by Francois Andre Koran (Longmeadow, Mass.) and Steven V. Haldeman (Hampden, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Tie layers and structures that exhibit superior properties and that provide desirable optical properties when incorporated into laminates, such as windshields, windows or other glazings containing a holographic optical element (HOE) are disclosed. The tie layers, when used in a laminate in conjunction with the HOE film, optionally with additional polymer layers, maintain an...