Patents by Inventor Dan Sayre

Dan Sayre 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).

  • Polymers with improved shelf stability
    Patent number: 7589158
    Abstract: The present invention relates to polymers polymerized sequentially or in stages and having varied functionality and/or monomer content as the polymerization progresses, as well as the methods for making these polymers. The polymers according to the invention can advantageously be present in aqueous emulsion or latex form and can advantageously be used in paint compositions.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: September 15, 2009
    Assignee: Columbia Insurance Company
    Inventors: Yong Yang, Navin Tilara, Robert J. Sheerin, Dan Sayre
  • Polymers with improved shelf stability
    Publication number: 20070123638
    Abstract: The present invention relates to polymers polymerized sequentially or in stages and having varied functionality and/or monomer content as the polymerization progresses, as well as the methods for making these polymers. The polymers according to the invention can advantageously be present in aqueous emulsion or latex form and can advantageously be used in paint compositions.
    Type: Application
    Filed: November 30, 2005
    Publication date: May 31, 2007
    Inventors: Yong Yang, Navin Tilara, Robert Sheerin, Dan Sayre