Patents by Inventor John E. Maier

John E. Maier 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).

  • Patent number: 3988502
    Abstract: A cured fluorinated elastomeric copolymer of vinylidene fluoride and at least one comonomer selected from the group consisting of chlorotrifluoroethylene, perfluoropropene and tetrafluoroethylene, said cured elastomer having a compression set below about 10 percent after 24 hours at 205.degree. C. in ASTM D 395-61 method B and being prepared from a material having a Mooney 10 point rise at 120.degree. C. above 25 minutes using ASTM D 1646-63 method with the small rotor.
    Type: Grant
    Filed: December 17, 1971
    Date of Patent: October 26, 1976
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Kalyanji U. Patel, John E. Maier