Patents by Inventor Wladimir Philippoff

Wladimir Philippoff 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 crystal modifiers for petroleum oils
    Patent number: 3999960
    Abstract: Materials consisting essentially of hydrocarbons with at least two straight chain alkyl groups are useful as wax crystal modifiers in petroleum oils, particularly middle distillate fuel oils such as heating oils and diesel fuels. These materials can be prepared by dimerizing .alpha.-olefins, which dimers can be used per se, or can be further derivatized, e.g. polymerized, alkylated on to an aromatic molecule, etc.
    Type: Grant
    Filed: October 2, 1974
    Date of Patent: December 28, 1976
    Assignee: Exxon Research and Engineering Company
    Inventors: Arthur W. Langer, Jr., Wladimir Philippoff