Membrane process for argon purging from vinyl acetate reactors
US6118021A · kind A · utility
5Cited by
20References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 5, 1998 |
| Grant date | Sep 12, 2000 |
| Priority date | — |
| Expiry date | Oct 5, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02C20/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process and apparatus for vinyl acetate production. A membrane unit containing a membrane selectively permeable to ethylene over argon is used to recover ethylene from the argon purge stream.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.