Patents by Inventor Hans M. Acting Administrator of the National Aeronautics and Space Administration, with respect to an invention of Mark

Hans M. Acting Administrator of the National Aeronautics and Space Administration, with respect to an invention of Mark 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).

  • Polyphenylquinoxalines containing pendant phenylethynyl and ethynyl groups
    Patent number: 4375536
    Abstract: Poly(phenylquinoxaline) prepolymers containing pendant phenylethynyl and ethynyl groups are disclosed along with the process for forming these polymers. Novel monomers and the process for producing same that are employed to prepare the novel polymers are also disclosed.
    Type: Grant
    Filed: November 12, 1981
    Date of Patent: March 1, 1983
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: Hans M. Acting Administrator of the National Aeronautics and Space Administration, with respect to an invention of Mark, Paul M. Hergenrother