发明授权
- 专利标题: Process for the production of difluoromethane
- 专利标题(中): 二氟甲烷生产工艺
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申请号: US08959748申请日: 1997-10-28
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公开(公告)号: US06844474B1公开(公告)日: 2005-01-18
- 发明人: Paul Gene Clemmer , Addison Miles Smith , Hsueh Sung Tung , John Stephen Bass
- 申请人: Paul Gene Clemmer , Addison Miles Smith , Hsueh Sung Tung , John Stephen Bass
- 申请人地址: US NJ Morristown
- 专利权人: Allied Signal Inc.
- 当前专利权人: Allied Signal Inc.
- 当前专利权人地址: US NJ Morristown
- 代理商 Colleen D. Szuch
- 主分类号: B01J23/26
- IPC分类号: B01J23/26 ; C07B61/00 ; C07C17/20 ; C07C17/383 ; C07C19/08 ; C07C17/00 ; C07C17/158 ; C07C17/38
摘要:
The present invention provides a vapor phase process for the production of difluoromethane, HFC-32. The process of this invention provides for the preparation of HFC-32 by a process that exhibits both good product yield and selectivity.
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