Patents by Inventor Marc de Pater

Marc de Pater 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: 10011740
    Abstract: Rosin esters are provided. The rosin esters can exhibit improved color (e.g., the rosin ester can have a neat Gardner color of 4 or less), improved oxidative stability (e.g., when 1000 ppm or less of an antioxidant is present in combination with the rosin ester, the rosin ester can exhibit an oxidative-induction time at 130° C. of at least 30 minutes), improved color stability (e.g., the rosin ester can retain a neat Gardner color of 5 or less when heated to a temperature of 160° C. for a period of three hours), or combinations thereof. Also provided polymeric compositions comprising the rosin esters, as well as methods of making the rosin esters.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: July 3, 2018
    Assignee: Kraton Chemical, LLC
    Inventors: Lloyd A Nelson, Paul A Williams, Harry Jerrold Miller, Marc de Pater, Lien Phun
  • Publication number: 20160264821
    Abstract: Rosin esters are provided. The rosin esters can exhibit improved color (e.g., the rosin ester can have a neat Gardner color of 4 or less), improved oxidative stability (e.g., when 1000 ppm or less of an antioxidant is present in combination with the rosin ester, the rosin ester can exhibit an oxidative-induction time at 130° C. of at least 30 minutes), improved color stability (e.g., the rosin ester can retain a neat Gardner color of 5 or less when heated to a temperature of 160° C. for a period of three hours), or combinations thereof. Also provided polymeric compositions comprising the rosin esters, as well as methods of making the rosin esters.
    Type: Application
    Filed: September 26, 2014
    Publication date: September 15, 2016
    Applicant: Arizona Chemical Company, LLC
    Inventors: Lloyd A Nelson, Paul A Williams, Harry Jerrold Miller, Marc de Pater, Lien Phun