Patents by Inventor Charles Tanger

Charles Tanger 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).

  • Thermal methods for treating a metathesis feedstock
    Patent number: 9284515
    Abstract: Various methods are provided for metathesizing a feedstock. In one aspect, a method includes providing a feedstock comprising a natural oil, heating the feedstock to a temperature greater than 100° C. in the absence of oxygen, holding the feedstock at the temperature for a time sufficient to diminish catalyst poisons in the feedstock, and, following the heating and holding, combining a metathesis catalyst with the feedstock under conditions sufficient to metathesize the feedstock.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: March 15, 2016
    Assignee: Elevance Renewable Sciences, Inc.
    Inventors: Kevin D. Uptain, Charles Tanger, Hiroki Kaido
  • THERMAL METHODS FOR TREATING A METATHESIS FEEDSTOCK
    Publication number: 20140309445
    Abstract: Various methods are provided for metathesizing a feedstock. In one aspect, a method includes providing a feedstock comprising a natural oil, heating the feedstock to a temperature greater than 100° C. in the absence of oxygen, holding the feedstock at the temperature for a time sufficient to diminish catalyst poisons in the feedstock, and, following the heating and holding, combining a metathesis catalyst with the feedstock under conditions sufficient to metathesize the feedstock.
    Type: Application
    Filed: February 18, 2014
    Publication date: October 16, 2014
    Applicant: ELEVANCE RENEWABLE SCIENCES, INC.
    Inventors: Kevin D. Uptain, Charles Tanger, Hiroki Kaido
  • Thermal methods for treating a metathesis feedstock
    Patent number: 8692006
    Abstract: Various methods are provided for metathesizing a feedstock. In one aspect, a method includes providing a feedstock comprising a natural oil, heating the feedstock to a temperature greater than 100° C. in the absence of oxygen, holding the feedstock at the temperature for a time sufficient to diminish catalyst poisons in the feedstock, and, following the heating and holding, combining a metathesis catalyst with the feedstock under conditions sufficient to metathesize the feedstock.
    Type: Grant
    Filed: August 11, 2008
    Date of Patent: April 8, 2014
    Assignee: Elevance Renewable Sciences, Inc.
    Inventors: Kevin D. Uptain, Charles Tanger, Hiroki Kaido
  • THERMAL METHODS FOR TREATING A METATHESIS FEEDSTOCK
    Publication number: 20110313180
    Abstract: Various methods are provided for metathesizing a feedstock. In one aspect, a method includes providing a feedstock comprising a natural oil, heating the feedstock to a temperature greater than 100° C. in the absence of oxygen, holding the feedstock at the temperature for a time sufficient to diminish catalyst poisons in the feedstock, and, following the heating and holding, combining a metathesis catalyst with the feedstock under conditions sufficient to metathesize the feedstock.
    Type: Application
    Filed: August 11, 2008
    Publication date: December 22, 2011
    Inventors: Kevin D. Uptain, Charles Tanger, Hiroki Kaido