US Patent Issued to SAN-APRO on Sept. 8 for "Photoacid generator, and photosensitive composition using same" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,730,374, issued on Sept. 8, was assigned to SAN-APRO LTD. (Kyoto, Japan).

"Photoacid generator, and photosensitive composition using same" was invented by Atsushi Shiraishi (Kyoto, Japan) and Futaba Kawakami (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are: a photoacid generator that effectively generates acid even when a substance such as a colorant which attenuates or blocks radiated light is present at a high concentration, the film thickness thereof is large, and a light source is visible light to infrared light, particularly infrared light having low energy; and a highly curable photosensitive composition using the photoaci...