Patents by Inventor Eugene Zehler

Eugene Zehler 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).

  • Complex polyol esters with improved performance
    Patent number: 8183190
    Abstract: A biodegradable lubricant composition containing a complex polyol ester having a polyfunctional alcohol residue and a saturated or unsaturated dicarboxylic acid residue having from about 9 to about 22 carbon atoms.
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: May 22, 2012
    Assignee: Cognis IP Management GmbH
    Inventors: Eugene Zehler, Christopher Costello
  • Complex polyol esters with improved performance
    Publication number: 20050049153
    Abstract: A biodegradable lubricant composition containing a complex polyol ester having a polyfunctional alcohol residue and a saturated or unsaturated dicarboxylic acid residue having from about 9 to about 22 carbon atoms.
    Type: Application
    Filed: July 29, 2004
    Publication date: March 3, 2005
    Inventors: Eugene Zehler, Christopher Costello