Method of purifying fluoromethyl-1,1,1,3,3,3-hexafluoroisopropyl ether
US5763684A · kind A · utility
4Cited by
2References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 1997 |
| Grant date | Jun 9, 1998 |
| Priority date | — |
| Expiry date | Sep 16, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C41/36
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a method of removing bisfluoromethyl ether contained in fluoromethyl-1,1,1,3,3,3-hexafluoroisopropyl ether in a simple, effective manner, and is characterized in that fluoromethyl-1,1,1,3,3,3-hexafluoroisopropyl ether containing bisfluoromethyl ether is brought into contact with zeolite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.