Patents by Inventor Thomas C. Rolfson

Thomas C. Rolfson 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).

  • Aerosol package containing a foam-forming emulsion and propellent system
    Patent number: 3970584
    Abstract: An aerosol package containing a foam-forming, oil-in-water emulsion and a propellant system consisting essentially of nitrous oxide and a liquefied, normally gaseous hydrocarbon or halogenated hydrocarbon is described. The emulsion upon being dispensed is a unique, rich, shiny, creamy foam having good foam density and stiffness characteristics.
    Type: Grant
    Filed: February 14, 1973
    Date of Patent: July 20, 1976
    Assignee: S. C. Johnson & Son, Inc.
    Inventors: John W. Hart, Thomas C. Rolfson