Patents by Inventor Pei S. E. Dai

Pei S. E. Dai 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 oligomerizing olefins using a super-dealuminated Y-zeolite
    Patent number: 5120891
    Abstract: An improved process is disclosed for preparing synthetic lubricant base stocks. Synthetic lubricant base stocks are prepared in good yield by oligomerizing linear olefins using a catalyst comprising a super-dealuminated Y-zeolite.
    Type: Grant
    Filed: September 26, 1990
    Date of Patent: June 9, 1992
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, Pei S. E. Dai, John F. Knifton