发明名称 METHOD OF PURIFYING DIMETHYL SULFOXIDE
摘要 A method of purifying dimethyl sulfoxide economically and at good yield satisfies the specifications of the United States Pharmacopoeia and reduces odor. The method includes distilling a solution having 35 parts by weight or more of water admixed per 100 parts by weight of raw dimethyl sulfoxide.
申请公布号 US2016083340(A1) 申请公布日期 2016.03.24
申请号 US201414786235 申请日期 2014.04.22
申请人 TORAY FINE CHEMICALS CO., LTD. 发明人 Ishino Michiko;Tanaka Koji;Abe Hiromitsu;Inoue Hideki
分类号 C07C315/06;C07C317/04 主分类号 C07C315/06
代理机构 代理人
主权项
地址 Chiyoda-ku, Tokyo JP