Removal of basic impurities from olefin streams
US5057642A · kind A · utility
4Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 1991 |
| Grant date | Oct 15, 1991 |
| Priority date | — |
| Expiry date | Apr 18, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C7/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Basic impurities, in particular ammonia, are removed from monoolefin-containing feeds, in particular an isobutylene-containing feed, by contacting with a hydrated acidic clay.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.