Use of silver-exchanged ionomer membranes for gas separation
US5191151A · kind A · utility
21Cited by
9References
51Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 1991 |
| Grant date | Mar 2, 1993 |
| Priority date | — |
| Expiry date | Dec 18, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D71/36
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for separating C.sub.2 -C.sub.4 alkenes from C.sub.1 -C.sub.6 alkanes comprises the presence of water vapor in the alkene/alkane feed and the use of an Ag.sup.+ -exchanged sulfonated copolymer of tetrafluoroethylene and perfluorovinyl ether having been prepared by one of several specific ion-exchange methods.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.