Patents by Inventor Mary K. Walker

Mary K. Walker 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).

  • Organic composition containing a fluoroalkyl sulfonic acid salt
    Patent number: 4806571
    Abstract: An antistatic additive for polymers, particularly polyurethanes, is disclosed. The additive comprises an ionizable metal salt of a fluoroalkyl sulfonic acid and an enhancer. The enhancer is generally a salt or ester of a carboxylic acid or a phosphate ester.
    Type: Grant
    Filed: May 6, 1988
    Date of Patent: February 21, 1989
    Assignee: The Dow Chemical Company
    Inventors: Thomas M. Knobel, Mary K. Walker, Donald M. Maschmeyer