Patents by Inventor Gregory C. Pierce

Gregory C. Pierce 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).

  • Publication number: 20180021765
    Abstract: The present invention relates to the treatment of a promoted strong acid ion exchange resin for use as an acid catalyst with an antioxidant to protect the resin from oxidative degradation and the use of said treated promoted ion exchange resin catalyst in chemical production processes.
    Type: Application
    Filed: October 4, 2017
    Publication date: January 25, 2018
    Inventors: Robert J. Olsen, Alfred K. Schultz, Gregory C. Pierce, Klaus-Dieter Topp
  • Publication number: 20150011800
    Abstract: The present invention relates to the treatment of a promoted strong acid ion exchange resin for use as an acid catalyst with an antioxidant to protect the resin from oxidative degradation and the use of said treated promoted ion exchange resin catalyst in chemical production processes.
    Type: Application
    Filed: December 14, 2012
    Publication date: January 8, 2015
    Applicant: ROHM AND HAAS COMPANY
    Inventors: Robert James Olsen, Gregory C. Pierce, Alfred K. Schultz, Klaus-Dieter Topp
  • Publication number: 20140378715
    Abstract: The present invention relates to the use of an antioxidant treated promoted strong acid ion exchange resin as an acid catalyst.
    Type: Application
    Filed: December 14, 2012
    Publication date: December 25, 2014
    Inventors: Robert James Olsen, Gregory C. Pierce, Alfred K. Schultz, Klaus-Dieter Topp
  • Patent number: 8907138
    Abstract: The present invention relates to the use of an antioxidant treated promoted strong acid ion exchange resin as an acid catalyst.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: December 9, 2014
    Assignee: Rohm and Haas Company
    Inventors: Robert James Olsen, Gregory C. Pierce, Alfred K. Schultz, Klaus-Dieter Topp
  • Patent number: 7550614
    Abstract: A method for esterification of free fatty acids in triglycerides, with C1-C8 aliphatic alcohols. The method uses an acidic ion exchange resin as a catalyst. The catalyst is contacted with a reaction mixture containing a triglyceride having at least 1% free fatty acids and a C1-C8 aliphatic alcohol under conditions suitable for esterification.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: June 23, 2009
    Assignee: Rohm and Haas Company
    Inventors: Rajiv Manohar Banavali, Gregory C. Pierce
  • Publication number: 20080114181
    Abstract: A method for esterification of free fatty acids in triglycerides, with C1-C8 aliphatic alcohols. The method uses an acidic ion exchange resin as a catalyst. The catalyst is contacted with a reaction mixture containing a triglyceride having at least 1% free fatty acids and a C1-C8 aliphatic alcohol under conditions suitable for esterification.
    Type: Application
    Filed: October 19, 2007
    Publication date: May 15, 2008
    Inventors: Rajiv Manohar Banavali, Gregory C. Pierce
  • Patent number: 6436421
    Abstract: The present invention relates to pesticide compositions. In particular, the present invention relates to pesticide compositions comprising a pesticide and a redispersible polymer and to a method for controlling agricultural pests by applying to the pest or the locus of the pest a pesticide composition comprising a pesticide and a redispersible polymer.
    Type: Grant
    Filed: February 27, 1998
    Date of Patent: August 20, 2002
    Assignee: ?Rohm and Haas Company
    Inventors: Frederick James Schindler, Yili Guo, Gregory C. Pierce, James Allen Quinn