US Patent Issued to 3M Innovative Properties on Nov. 18 for "Graphic sheet and lighting system using graphic sheet" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,412, issued on Nov. 18, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Graphic sheet and lighting system using graphic sheet" was invented by Hidetoshi Abe (Yamagata, Japan) and Koji Saito (Yamagata, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A graphic sheet including: a transparent rigid film substrate; and a receptor layer disposed on the transparent rigid film substrate, the receptor layer containing an acrylic polymer and a white pigment filler; wherein the receptor layer contains not less than 5 parts by mass and not more than 50 parts by mass of the white pigment filler per 100 parts by mass of the acrylic polymer; ...