| 发明名称 |
PURIFICATION OF ACETIC ACID |
| 摘要 |
PURPOSE:Acetic acid containing <=30 ppm of formaldehyde, is prepared by the distillation out the lowboiling point faction from the heat-treated crude acetic acid.
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| 申请公布号 |
JPS5283315(A) |
申请公布日期 |
1977.07.12 |
| 申请号 |
JP19750155982 |
申请日期 |
1975.12.29 |
| 申请人 |
CHISSO CORP |
发明人 |
OGAWA TETSUYA;YOSHIZAKI NORIO;KUZUSHIRO TADAKATSU;NAKAMURA MAKOTO;SHIIHA KIYONORI |
| 分类号 |
C07C51/00;C07C51/44;C07C53/08;C07C67/00 |
主分类号 |
C07C51/00 |
| 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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