| 发明名称 |
Formaldehyde mfr - by oxidn of methanol - utilising distillates of waste liquors from urea/formaldehyde reaction |
| 摘要 |
<p>Prepn. of HCHO by oxidation of CH3OH using an Ag catalyst, steam and the vapour of an alkali(ne earth) peroxide-contng. aqs. soln. obtained by distillation of liquors from HCHO/NH2CONH2 reactions. Process allows waste liquors of resin-forming reactions to be utilised cheaply and easily.</p> |
| 申请公布号 |
FR2170224(A1) |
申请公布日期 |
1973.09.14 |
| 申请号 |
FR19730003782 |
申请日期 |
1973.02.02 |
| 申请人 |
BASF AG,DT |
发明人 |
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| 分类号 |
C07C47/052;B01J23/00;C07C45/00;C07C45/38;C07C67/00;C08G12/00;(IPC1-7):07C45/16;07C47/04;08G9/10 |
主分类号 |
C07C47/052 |
| 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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