发明名称 |
Process of production of organic dithio-acids and their application |
摘要 |
Process for the preparation of an organic dithio-acid by reaction of the corresponding dithio-ester and an alkali metal or alkaline earth metal hydrosulphide in a solvent in the presence of an excess of H2S and treatment with a mineral acid. The dithioic acids so obtained can be utilized as collectors for the flotation of minerals.
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申请公布号 |
US4521301(A) |
申请公布日期 |
1985.06.04 |
申请号 |
US19840586416 |
申请日期 |
1984.03.05 |
申请人 |
SOCIETE NATIONALE ELF AQUITAINE (PRODUCTION) |
发明人 |
DETIENNE, JEAN-LOUIS;LEVESQUE, GUY;TOZZOLINO, PIERRE |
分类号 |
B03D1/00;B03D1/012;C07C327/18;(IPC1-7):B03D1/14 |
主分类号 |
B03D1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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