US Patent Issued to ASAHI KASEI on Feb. 10 for "Hard coating film, hard coating film-applied substrate, coating material composition, and window material" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,808, issued on Feb. 10, was assigned to ASAHI KASEI K.K. (Tokyo).

"Hard coating film, hard coating film-applied substrate, coating material composition, and window material" was invented by Hiroaki Takanohashi (Tokyo), Kyohei Hattori (Tokyo), Megumi Sasaki (Tokyo), Keigo Sasaki (Tokyo) and Toshinobu Ogasawara (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hard coating film containing a polymer nanoparticle (A) and a matrix component (B), wherein a Martens hardness HMA of the polymer nanoparticle (A) and a Martens hardness HMB of the matrix component (B) satisfy a relationship of HMB/HMAless than1, and a Martens hardness HM of the hard coati...