Patents by Inventor Charles Manke, Jr.

Charles Manke, Jr. 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).

  • Use of CO2-soluble materials as transient coatings
    Patent number: 6298902
    Abstract: A method of removing a coating material from a substrate surface portion comprises providing a substrate having a coating material adhered to a surface thereof. The coating material comprises a CO2-soluble material. The coating material is contacted to a fluid comprising carbon dioxide to dissolve the coating material therein. The carbon dioxide fluid is then separated from the substrate to remove the coating material from the substrate surface.
    Type: Grant
    Filed: December 14, 1998
    Date of Patent: October 9, 2001
    Inventors: Joseph M. DeSimone, Esin Gulari, Charles Manke, Jr.
  • Use of CO.sub.2 -soluble materials in making molds
    Patent number: 5860467
    Abstract: A structure of CO.sub.2 -insoluble material has a three-dimensional object of CO.sub.2 -soluble material positioned inside. The object is contacted with a fluid containing carbon dioxide which dissolves the object in the fluid. The fluid is then removed to form a cavity in the structure.
    Type: Grant
    Filed: December 3, 1996
    Date of Patent: January 19, 1999
    Assignees: The University of North Carolina at Chapel Hill, Wayne State University
    Inventors: Joseph M. DeSimone, Esin Gulari, Charles Manke, Jr.