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 |