Patents by Inventor Un K. Im

Un K. Im has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for converting pyrolysis gasoline to benzene and ethylbenzene-lean xylenes
    Patent number: 4150061
    Abstract: Fractionated pyrolysis gasoline containing toluene, xylenes, ethylbenzenes, C.sub.7 -C.sub.9 paraffins, olefins and naphthenes are selectively hydrodealkylated and transalkylated to give ethylbenzene-lean xylenes and benzene in the presence of a catalyst comprising a tungsten/molybdenum component of WO.sub.3 and MoO.sub.3 and an acidic component of 60 (wt)% of mordenite and 40 (wt)% of catalytically active alumina.
    Type: Grant
    Filed: November 8, 1977
    Date of Patent: April 17, 1979
    Assignee: Standard Oil Company (Indiana)
    Inventors: Allen I. Feinstein, Un K. Im