| 发明名称 |
Preparation of pure ammonium thioglycolate |
| 摘要 |
A process is disclosed for the preparation of pure ammonium thioglycolate from thioglycolic acid contaminated with the isopropyl ester of thioglycolic acid wherein the contaminated acid is reacted with aqueous ammonia or ammonium hydroxide at a pH of at least 6.5 to about 9.0 at elevated temperature.
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| 申请公布号 |
US5319136(A) |
申请公布日期 |
1994.06.07 |
| 申请号 |
US19930120253 |
申请日期 |
1993.09.10 |
| 申请人 |
ELF ATOCHEM NORTH AMERICA, INC. |
发明人 |
SANDLER, STANLEY R. |
| 分类号 |
C07C319/12;C07C323/52;(IPC1-7):C07C53/00 |
主分类号 |
C07C319/12 |
| 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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