Patents by Inventor Lillanna Z. Pillon

Lillanna Z. Pillon 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).

  • Wax isomerate having a reduced pour point
    Patent number: 5229021
    Abstract: The addition of a polyalkylmethacrylate having a weight average molecular weight of at least 600,000 has been found to be effective in reducing the pour point of a wax isomerate to a level that cannot be obtained with conventional pour point depressants. In a preferred embodiment, the wax isomerate is a slack wax isomerate.
    Type: Grant
    Filed: December 9, 1991
    Date of Patent: July 20, 1993
    Assignee: Exxon Research & Engineering Company
    Inventors: Lillanna Z. Pillon, Andre E. Asselin