US Patent Issued to MITSUBISHI HEAVY INDUSTRIES AERO ENGINES on June 17 for "Method for producing prepreg and method for molding composite material" (Japanese Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,176, issued on June 17, was assigned to MITSUBISHI HEAVY INDUSTRIES AERO ENGINES LTD. (Komaki, Japan).

"Method for producing prepreg and method for molding composite material" was invented by Kiichi Nishiguchi (Tokyo) and Hiromichi Akiyama (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a prepreg in which a reinforcing fiber base material is impregnated with a resin to produce a prepreg, wherein said method comprises: a step for preparing a first resin, which is the resin containing a filler, and a second resin, which is the resin not containing a filler; a step for arranging the second resin adjacent to the reinforcing ...