ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,215,259, issued on Feb. 4, was assigned to NISSAN CHEMICAL Corp. (Tokyo).
"Multilayer object and release agent composition" was invented by Hiroto Ogata (Toyama, Japan) and Tetsuya Shinjo (Toyama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a laminate having a first substrate formed of a semiconductor substrate; a second substrate formed of a light-transmissive support substrate; and an adhesive layer and a release layer disposed between the first substrate and the second substrate, characterized in that the release layer is a film formed from a releasing agent composition containing a polynuclear phenol derivative represe...