Invention Grant
- Patent Title: Process for the production of difluoromethane
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Application No.: US530649Application Date: 1995-09-20
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Publication No.: US5763708APublication Date: 1998-06-09
- Inventor: Paul Gene Clemmer , Addison Miles Smith , Hsueh Sung Tung , John Stephen Bass
- Applicant: Paul Gene Clemmer , Addison Miles Smith , Hsueh Sung Tung , John Stephen Bass
- Applicant Address: NJ Morris township, Morris County
- Assignee: Allied Signal Inc.
- Current Assignee: Allied Signal Inc.
- Current Assignee Address: NJ Morris township, Morris County
- Main IPC: B01J23/26
- IPC: B01J23/26 ; C07B61/00 ; C07C17/20 ; C07C17/383 ; C07C19/08 ; C07C17/07
Abstract:
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.
Public/Granted literature
- US4562043A Self-contained swab cartridge apparatus for detecting occult blood Public/Granted day:1985-12-31
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