Ken-Ichi Komori, Ube (JP); Akishi Ninomiya, Ube (JP); Masaru Shinohara, Ube (JP); Koji Ito, Ube (JP); Tetsuo Kawaguchi, Ube (JP); Hiroyoshi Kawada, Ube (JP); and Tomio Kimura, Tokyo (JP)
Assigned to UBE CORPORATION, Ube (JP)
Filed by UBE CORPORATION, Ube (JP)
Filed on Jun. 16, 2022, as Appl. No. 17/841,815.
Application 17/841,815 is a continuation of application No. 16/474,339, granted, now 11,396,514, previously published as PCT/JP2017/046898, filed on Dec. 27, 2017.
Claims priority of application No. 2016-255567 (JP), filed on Dec. 28, 2016.
Prior Publication US 2022/0315599 A1, Oct. 6, 2022