INTERNATIONAL PATENT: MITSUBISHI HEAVY INDUSTRIES, LTD., 三菱重工業株式会社, MITSUBISHI POWER, LTD., 三菱パワー株式会社, KYOEISHA CHEMICAL CO., LTD., 共栄社化学株式会社 FILES APPLICATION FOR "DESALINATION PERFORMANCE RECOVERY AGENT FOR POLYAMIDE FILM, METHOD FOR RECOVERING DESALINATION PERFORMANCE OF POLYAMIDE FILM AND METHOD FOR IMPROVING DESALINATION PERFORMANCE OF POLYAMIDE FILM"

GENEVA, Feb. 17 -- MITSUBISHI HEAVY INDUSTRIES, LTD. (2-3, Marunouchi 3-Chome, Chiyoda-ku, Tokyo1008332), 三菱重工業株式会社 (東京都千代田区丸の内三丁目２番３号), MITSUBISHI POWER, LTD. (2-3, Marunouchi 3-Chome, Chiyoda-ku, Tokyo1008332), 三菱パワー株式会社 (東京都千代田区丸の内三丁目２番３号), KYOEISHA CHEMICAL CO., LTD. (6-12, Minamihonmachi 2-chome, Chuo-ku, Osaka-shi, Osaka5410054), 共栄社化学株...