GENEVA, May 13 -- KUREHA CORPORATION (3-3-2, Nihonbashi-Hamacho, Chuo-ku, Tokyo1038552), 株式会社クレハ (東京都中央区日本橋浜町三丁目３番２号), CHEMICS KOGYO KABUSHIKI KAISHA (2-4-4, Showajima, Ota-ku, Tokyo1430004), ケミックス工業株式会社 (東京都大田区昭和島２－４－４) filed a patent application (PCT/JP2024/037902) for "RUBBER COMPOSITION FOR DOWNHOLE TOOLS, RUBBER MOLDED ARTICLE, MEMBER, AND WELL TREATMENT METHOD" on Oct 24, 2024. With publicat...