发明公开
- 专利标题: Recovery of HFC-32
- 专利标题(中): Gewinnung von HFC-32
-
申请号: EP02250721.4申请日: 2002-02-01
-
公开(公告)号: EP1253127A2公开(公告)日: 2002-10-30
- 发明人: Wismer, John A.
- 申请人: Atofina Chemicals, Inc.
- 申请人地址: 2000 Market Street Philadelphia, PA 19103-3222 US
- 专利权人: Atofina Chemicals, Inc.
- 当前专利权人: Atofina Chemicals, Inc.
- 当前专利权人地址: 2000 Market Street Philadelphia, PA 19103-3222 US
- 代理机构: Stoner, Gerard Patrick
- 优先权: US841909 20010425
- 主分类号: C07C17/38
- IPC分类号: C07C17/38 ; C07C19/08
摘要:
A method for isolating 32 from a crude mixture containing HCl and an azeotropic mixture of 32 and HF is provided without the need to isolate any HF azeotrope.
公开/授权文献
- EP1253127A3 Recovery of HFC-32 公开/授权日:2003-01-02
信息查询