Patents by Inventor Perry J. McCrackin

Perry J. McCrackin 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: 5006624
    Abstract: Water-soluble of water-dispersible, crosslinkable polymeric surfactants having fluorocarbon and ionic moieties are disclosed. Such surfactants can be cured into tough, solvent resistant, low critical surface tension coatings useful for protective finishes on metal, plastics and fabrics.
    Type: Grant
    Filed: March 1, 1990
    Date of Patent: April 9, 1991
    Assignee: The Dow Chemical Company
    Inventors: Donald L. Schmidt, Charles E. Coburn, Perry J. McCrackin
  • Patent number: 4929666
    Abstract: Water-soluble or water-dispersible, crosslinkable polymeric surfactants having fluorocarbon and ionic moieties are disclosed. Such surfactants can be cured into tough, solvent resistant, low critical surface tension coatings useful for protective finishes on metal, plastics and fabrics.
    Type: Grant
    Filed: September 1, 1989
    Date of Patent: May 29, 1990
    Assignee: The Dow Chemical Company
    Inventors: Donald L. Schmidt, Perry J. McCrackin, Charles E. Coburn