Patent · US Expired

Removal of oxygenate from an olefin stream

US7326821B2 · kind B2 · utility

11Cited by
7References
72Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 16, 2003
Grant dateFeb 5, 2008
Priority date
Expiry dateJan 5, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S95/902
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

This invention is to a process for removing dimethyl ether from an olefin stream. The process includes contacting the olefin stream with a molecular sieve that has improved capacity to adsorb the dimethyl ether from the olefin stream. The molecular sieve used to remove the dimethyl ether has low or no activity in converting the olefin in the olefin stream to other products.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.