Patents by Inventor Geoffrey S. Underwood

Geoffrey S. Underwood 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).

  • Polysulfone films
    Publication number: 20010056175
    Abstract: A film comprising polysulfone wherein the polysulfone contains no more than about 1.4 weight percent sulfone cyclic dimer.
    Type: Application
    Filed: July 19, 2001
    Publication date: December 27, 2001
    Inventors: Selvaraj Savariar, Geoffrey S. Underwood