Patents by Inventor Rodger G. Hagens

Rodger G. Hagens 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).

  • Surface treatment of glass containers
    Patent number: 4420578
    Abstract: Returnable glass bottles, particularly beverage bottles, having a natural glass surface, unmodified by a hot end process coating, having a quick curing thin coating of an amino functional polydimethylsiloxane, which does not visually change the appearance of the bottles applied to the exterior surface to increase lubricity and scratch resistance to said bottles. The coating is removable when the bottles are washed with an aqueous caustic solution. A new one-trip coating can then be applied.
    Type: Grant
    Filed: September 14, 1981
    Date of Patent: December 13, 1983
    Assignee: Diversey Corporation
    Inventors: Rodger G. Hagens, Dominic K. Hui