发明授权
- 专利标题: Removal of contaminants from N-methyl-2-pyrrolidone
- 专利标题(中): 去除N-甲基-2-吡咯烷酮中的污染物
-
申请号: US330638申请日: 1999-06-11
-
公开(公告)号: US6051720A公开(公告)日: 2000-04-18
- 发明人: Jon F. Geibel , Richard A. Green
- 申请人: Jon F. Geibel , Richard A. Green
- 申请人地址: OK Bartlesville
- 专利权人: Phillips Petroleum Company
- 当前专利权人: Phillips Petroleum Company
- 当前专利权人地址: OK Bartlesville
- 主分类号: B01D3/00
- IPC分类号: B01D3/00 ; C07D207/26 ; C07D207/267
摘要:
A process is provided for moving at least one contaminant selected from the group consisting of phenol thiophenol, and phenyl disulfide from contaminated NMP by reacting at least one monohalogenated aromatic compound and a base with the contaminate NMP.
公开/授权文献
- US5731425A Polypeptide surface marker for cells 公开/授权日:1998-03-24
信息查询