ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,046, issued on March 24, was assigned to Dai Nippon Printing Co. Ltd. (Tokyo).

"Gas generating agent, pressure-sensitive adhesive composition and pressure-sensitive adhesive sheet" was invented by Yohei Ito (Tokyo-to, Japan) and Michihiro Ogura (Tokyo-to, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas generating agent which generates a gas by light irradiation, which has a maximum molar absorption coefficient value of 7000 or more at a wavelength of 240 nm to 450 nm, and which contains a gas generating moiety having a specific structure and an organopolysiloxane group or a fluorinated aliphatic hydrocarbon group in which a number of car...