Recovery and purification of ethylene
US7437891B2 · kind B2 · utility
17Cited by
3References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2004 |
| Grant date | Oct 21, 2008 |
| Priority date | — |
| Expiry date | Jul 30, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S62/932
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for the recovery and purification of ethylene and optionally propylene from a stream containing lighter and heavier components that employs an ethylene distributor column and a partially thermally coupled distributed distillation system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.