Patents by Inventor Ernst D. Weiler

Ernst D. Weiler 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).

  • Interpolymers of polyvinyl chloride and polyimides
    Patent number: 4650824
    Abstract: Interpolymers made by polymerizing vinyl chloride monomer in the presence of a polyimide show excellent heat distortion resistance and processing characteristics.
    Type: Grant
    Filed: April 30, 1986
    Date of Patent: March 17, 1987
    Assignee: Rohm and Haas Co.
    Inventors: Richard R. Clikeman, Douglas S. Cinoman, Ernst D. Weiler