Patents by Inventor Robert J. Cramer

Robert J. Cramer 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: 4056403
    Abstract: A solvent composition is disclosed which comprises a halogenated hydrocarbon and a monohydric alcohol. This composition is used to clean polyurethane foam generating equipment.
    Type: Grant
    Filed: May 27, 1976
    Date of Patent: November 1, 1977
    Assignee: Olin Corporation
    Inventors: Robert J. Cramer, Maurice A. Raymond