发明授权
- 专利标题: Purification of caprolactam
- 专利标题(中): 己内酰胺的纯化
-
申请号: US113081申请日: 1993-08-30
-
公开(公告)号: US5350847A公开(公告)日: 1994-09-27
- 发明人: Hugo Fuchs , Gerald Neubauer , Claus-Ulrich Priester
- 申请人: Hugo Fuchs , Gerald Neubauer , Claus-Ulrich Priester
- 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: DEX4229915 19920908
- 主分类号: C07B63/02
- IPC分类号: C07B63/02 ; C07D201/16 ; C07D201/12
摘要:
Caprolactam is purified by oxidative treatment in which mixtures which essentially contain the caprolactam to be purified and unsaturated lactams are treated with oxygen or an oxygen-containing gas mixture in an alkaline medium.
公开/授权文献
- US06067797A Thermal actuator 公开/授权日:2000-05-30
信息查询