Patents by Inventor David Gordon Hey

David Gordon Hey 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).

  • Process for applying abrasion resistant phosphate coating to glass container
    Patent number: 3989864
    Abstract: A process for providing an abrasion resistant coating on the surface of a glass container by treating the container with a solution containing 0.5 to 10% by weight of phosphoric acid and less than 5% by weight of metal phosphate in an aqueous diluent, the temperature of the surface of the container being at least 300.degree. C, and thereafter applying a lubricious organic cold-end coating to the surface of the container.
    Type: Grant
    Filed: April 7, 1975
    Date of Patent: November 2, 1976
    Assignee: Imperial Chemical Industries Limited
    Inventors: David Gordon Hey, Kevin Thomas McAloon