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. |
申请公布号 |
ZA8202566(B) |
申请公布日期 |
1983.02.23 |
申请号 |
ZA19820002566 |
申请日期 |
1982.04.15 |
申请人 |
SOC NATIONALE ELF AQUITAINE |
发明人 |
DETIENNE J;LEVESQUE G;TOZZOLINO P |
分类号 |
B03D1/00;B03D1/012;C07C327/18 |
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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