Patents by Inventor Donna G. Shaffer

Donna G. Shaffer 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).

  • Binding superabsorbent polymers to substrates
    Patent number: 6586512
    Abstract: A composition comprising a superabsorbent polymer and a hydroxy-functionalized polyether.
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: July 1, 2003
    Assignee: The Dow Chemical Company
    Inventors: Charles D. Dukes, Donna G. Shaffer
  • Combinations of fibers and thermoplastic epoxy derivatives
    Publication number: 20020009937
    Abstract: A composition comprising at least one fiber and a binding amount of a hydroxy-functionalized polyether or polyester and a dispersion comprising a hydroxy-functionalized polyether or polyester.
    Type: Application
    Filed: February 9, 2001
    Publication date: January 24, 2002
    Inventors: Charles D. Dukes, Donna G. Shaffer, Guang-Ming Xia, John M. Beckerdite