Patents Examined by Tam Minh Nguyen
  • Olefin recovery in a polyolefin production process
    Patent number: 6593506
    Abstract: Disclosed is a method of recovering olefin from purge streams in a polyolefin production process. The method includes reacting a purge stream containing olefin and impurities with water in the presence of a hydrating catalyst to produce an alcohol containing stream. The impurities can include methane, ethane, butylenes, and hydrogen. The alcohol containing stream can be used to produce olefins in an oxygenate to olefin production process.
    Type: Grant
    Filed: October 12, 2000
    Date of Patent: July 15, 2003
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventor: Ronald G. Searle