ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,525, issued on April 29, was assigned to SABIC GLOBAL TECHNOLOGIES B.V. (Bergen Op Zoom, Netherlands).
"Infrared transparent polycarbonate composition" was invented by Tamara Marijke Eggenhuisen (Raamsdonksveer, Netherlands), Shigeru Haba (Tochigi, Japan), Eduardus Ludovicus Louisa Broekaart (Nieuw-Namen, Netherlands) and Sijun Li (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates a polycarbonate composition comprising polycarbonate, acid stabiliser and at least one anthraquinone based colorant having at least one hydroxyl group, wherein the composition has a transmission of at least 80% in an infrared light wavele...