发明授权
- 专利标题: Preparation of ethylene glycol
- 专利标题(中): 乙二醇的制备
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申请号: US42158申请日: 1987-04-24
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公开(公告)号: US4724241A公开(公告)日: 1988-02-09
- 发明人: Robert Maerkl , Wolfgang Harder
- 申请人: Robert Maerkl , Wolfgang Harder
- 申请人地址: DEX Ludwigshafen
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DEX Ludwigshafen
- 优先权: DEX3615835 19860510
- 主分类号: C07B61/00
- IPC分类号: C07B61/00 ; B01J23/00 ; B01J31/00 ; C07C27/00 ; C07C27/06 ; C07C29/15 ; C07C29/158 ; C07C31/20 ; C07C67/00
摘要:
Ethylene glycol is prepared from carbon monoxide and hydrogen in a homogeneous liquid phase under superatmospheric pressure and at elevated temperatures in the presence of a rhodium-containing catalyst and in the presence of a porphyrin as organic nitrogen-containing promoter.
公开/授权文献
- US6057252A Load leveling yarns and webbings 公开/授权日:2000-05-02