Patents by Inventor Henry Edward Brynzda

Henry Edward Brynzda 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).

  • Recoverable polymer-bound homogeneous catalysts for catalytic chain transfer process
    Patent number: 8030422
    Abstract: Disclosed herein are novel polymer-tethered ligands, metal complexes comprising these ligands, and the use of these complexes as chain transfer catalysts to control the molecular weight of oligomeric and polymeric materials produced in a radical polymerization process. The materials made by the processes disclosed herein have significantly reduced color, making them suitable for a wide range of color-critical end-uses, including automotive coatings.
    Type: Grant
    Filed: August 16, 2006
    Date of Patent: October 4, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Henry Edward Brynzda, Michael Charles Grady, Sigridur Soley Kristjansdottir, Christina M. Older, Matthew Arthur Page, Joachim C. Ritter, Wilson Tam