Patents by Inventor Mark P. Weller

Mark P. Weller 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).

  • Sulfonation of polyphosphazenes
    Patent number: 5548060
    Abstract: A method for the alkylsulfonation of polymeric and cyclic trimer phosphazenes that includes reacting the phosphazene with a sultone. This method can be used to prepare sulfonated phosphazenes that are useful as biomedical materials, membranes, reversibly cross-linkable polymers, surfactants, and polyelectrolytes.
    Type: Grant
    Filed: August 8, 1994
    Date of Patent: August 20, 1996
    Assignee: Penn State Research Foundation, Inc.
    Inventors: Harry R. Allcock, Eric H. Klingenberg, Mark P. Weller