Combination process for manufacturing ethylene ethylbenzene and styrene
US5880320A · kind A · utility
13Cited by
9References
22Claims
0Family size
Inventor
Key dates
| Filing date | Oct 24, 1997 |
| Grant date | Mar 9, 1999 |
| Priority date | — |
| Expiry date | Oct 24, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S203/20
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Gases and liquid products of the cracking zone of a ethylene production plant fractionated in a demethanizer to from a dilute ethylene stream containing about 5 to about 40 percent of the ethylene contained in the feed. The dilute ethylene is feed to an ethylbenzene plant and reacts with impure benzene. The product ethylbenzene is normally converted to styrene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.