发明授权
- 专利标题: Catalysts for converting maleic anhydride to alpha-butyrolactone
- 专利标题(中): 用于将马来酸酐转化为α-丁内酯的催化剂
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申请号: US488352申请日: 1974-07-15
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公开(公告)号: US3948805A公开(公告)日: 1976-04-06
- 发明人: Georg Michalczyk , Karl-Heinz Gluzek
- 申请人: Georg Michalczyk , Karl-Heinz Gluzek
- 申请人地址: DT Hamburg
- 专利权人: Deutsche Texaco Aktiengesellschaft
- 当前专利权人: Deutsche Texaco Aktiengesellschaft
- 当前专利权人地址: DT Hamburg
- 优先权: DT2339343 19730803
- 主分类号: C07D307/33
- IPC分类号: C07D307/33 ; B01J23/00 ; B01J23/86 ; C07B61/00 ; C07D315/00 ; B01J21/18 ; B01J23/16 ; B01J29/06
摘要:
A process for converting maleic anhydride to .gamma.-butyrolactone by treating the anhydride with hydrogen in the presence of co-catalysts comprising palladium and nickel-copper chromite at elevated pressures and temperatures.
公开/授权文献
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