| 发明名称 | Process for the distillation of a mixture comprising a cyclic N-vinylamide | ||
| 摘要 | A process for the distillation of a mixture which consists to at least 90% by weight of a cyclic N-vinylamide and which comprises a stabilizer, wherein a polyether is added to the mixture before or during distillation anda product is obtained which consists to at least 99.5% by weight of the cyclic N-vinylamide. | ||
| 申请公布号 | US9556136(B2) | 申请公布日期 | 2017.01.31 |
| 申请号 | US201514662890 | 申请日期 | 2015.03.19 |
| 申请人 | BASF SE | 发明人 | Rittinger Stefan;Vogelsang Regina;Fournier Pierre;Acharya Anirudh;Judat Sonja |
| 分类号 | C07D295/023;C08F26/10;C08F226/10 | 主分类号 | C07D295/023 |
| 代理机构 | Oblon, McClelland, Maier & Neustadt, L.L.P. | 代理人 | Oblon, McClelland, Maier & Neustadt, L.L.P. |
| 主权项 | 1. A process for the distillation of a mixture comprising a stabilizer and at least 90% by weight of a cyclic N-vinylamide based on the total weight of said mixture, the process comprising: adding a polyether to the mixture before or during distillation to obtain a product comprising at least 99.5% by weight of the cyclic N-vinylamide and at most 10 ppm stabilizer based on the total weight of said product. | ||
| 地址 | Ludwigshafen DE | ||