US Patent Issued to LG CHEM on March 17 for "Photopolymer composition for hologram formation, hologram recording medium and optical elements" (South Korean Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,638, issued on March 17, was assigned to LG CHEM Ltd. (Seoul, South Korea).

"Photopolymer composition for hologram formation, hologram recording medium and optical elements" was invented by Inkyu Lee (Daejeon, South Korea), Soonhwa Jung (Daejeon, South Korea), Chulsuk Hong (Daejeon, South Korea), Yeongrae Chang (Daejeon, South Korea) and Yeonhui Yi (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A photopolymer composition for hologram formation, comprising: a polymer matrix comprising a siloxane-based polymer and a (meth)acrylate polymer containing one or more reactive functional groups in the side chains, a holographic recordi...