Patents by Inventor Wenylh F. Lai

Wenylh F. Lai 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 to hydrogenate aromatics present in lube oil boiling range feedstreams
    Patent number: 7682502
    Abstract: An improved hydrogenation process for lube oil boiling range feedstreams utilizing a catalyst comprising at least one Group VIII noble metal selected from Pt, Pd, and mixtures thereof having an average pore diameter of about 15 to less than about 40 ?.
    Type: Grant
    Filed: August 17, 2005
    Date of Patent: March 23, 2010
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Stephen J. McCarthy, Wenylh F. Lai, Jean W. Beeckman, Sylvain S. Hantzer