Patents by Inventor Philip Edward Dumas

Philip Edward Dumas 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).

  • Patent number: 7393970
    Abstract: The compound boron carbide, B4C, is an effective catalyst for the synthesis of aromatic esters by reacting benzoyl halides with phenols in the presence of powdered B4C.
    Type: Grant
    Filed: August 31, 2007
    Date of Patent: July 1, 2008
    Assignee: The College of N.J
    Inventor: Philip Edward Dumas
  • Patent number: 7279604
    Abstract: The compound boron carbide, B4C, is an effective catalyst for the alkylation and acylation of aromatics to produce polybenzyls, ketones, esters and alkyl benzenes. The catalyst boron carbide is also effective in conducting intramolecular Friedel-Crafts type reactions to produce cyclic ketones.
    Type: Grant
    Filed: May 30, 2006
    Date of Patent: October 9, 2007
    Assignee: The College of N.J.
    Inventor: Philip Edward Dumas