| 发明名称 |
USE OF PHOSPHORIC ACID AS HOMOGENEOUS CATALYST DURING THE PREPARATION OF KETENE |
| 摘要 |
A catalysed acetic acid pyrolysis process for the preparation of ketene and/or its derivatives is characterised in that phosphoric acid in the form of a liquid jet is atomised as a catalyst into the acetic acid vapour.
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| 申请公布号 |
CA2299404(A1) |
申请公布日期 |
1999.02.18 |
| 申请号 |
CA19982299404 |
申请日期 |
1998.07.24 |
| 申请人 |
AXIVA GMBH |
发明人 |
BAURMEISTER, JOCHEN;SCHAFER, THOMAS |
| 分类号 |
C07B61/00;C07C45/89;C07C49/90;(IPC1-7):C07C45/89;C07C45/90 |
主分类号 |
C07B61/00 |
| 代理机构 |
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