发明授权
- 专利标题: Vapor-phase hydrogenation of maleic anhydride to tetrahydrofuran and gamma-butyrolactone
- 专利标题(中): 马来酸酐与四氢呋喃和γ-丁内酯的气相氢化
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申请号: US370925申请日: 1989-06-23
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公开(公告)号: US4965378A公开(公告)日: 1990-10-23
- 发明人: John R. Budge , Thomas G. Attig
- 申请人: John R. Budge , Thomas G. Attig
- 申请人地址: OH Cleveland
- 专利权人: The Standard Oil Company
- 当前专利权人: The Standard Oil Company
- 当前专利权人地址: OH Cleveland
- 主分类号: C07D307/08
- IPC分类号: C07D307/08 ; C07D315/00
摘要:
Tetrahydrofuran and optionally gamma-butyrolactone are prepared from at least one of maleic anhydride or succinic anhydride by catalytically hydrogenating vaporous maleic anhydride or vaporous succinic anhydride in the presence of hydrogen and a catalyst comprising the mixed oxides of copper, zinc and aluminum.
公开/授权文献
- US6137435A Onboard radar apparatus 公开/授权日:2000-10-24