发明授权
EP0322140B1 Vapor-phase hydrogenation of maleic anhydride to tetrahydrofuran and gamma-butyrolactone
失效
马来酸酐与四氢呋喃和γ-丁内酯的蒸气相氢化
- 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-丁内酯的蒸气相氢化
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申请号: EP88311659.2申请日: 1988-12-09
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公开(公告)号: EP0322140B1公开(公告)日: 1992-11-19
- 发明人: Attig, Thomas G. , Budge, John R.
- 申请人: THE STANDARD OIL COMPANY
- 申请人地址: 200 Public Square, 36-F-3454 Cleveland Ohio 44114 US
- 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: 200 Public Square, 36-F-3454 Cleveland Ohio 44114 US
- 代理机构: Richardson, Derek
- 优先权: US137042 19871223; US231940 19880815
- 主分类号: C07D307/08
- IPC分类号: C07D307/08 ; C07D307/32
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