GENEVA, Sept. 8 -- JIANGXI YATAI TECHNOLOGY CO., LTD. (Wanzai Industrial ParkYichun, Jiangxi 336199), 江西亚太科技发展有限公司 (中国江西省宜春市万载县工业园), LINKCHEM TECHNOLOGY CO., LTD. (201, Bldg 5, Lane 3399 Kangxin HighwayPudong New Area, Shanghai 201321), 上海凌凯科技股份有限公司 (中国上海市浦东新区康新公路3399弄5号201室) filed a patent application (PCT/CN2024/107109) for "PRODUCTION METHOD FOR 4,4'-DIAMINODIPHENYL ...
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