Patents by Inventor George E. F. Brewer

George E. F. Brewer 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).

  • Coating oil having improved electrocoat compatibility
    Patent number: 5001013
    Abstract: Coating oil compositions are provided which contain an oil-soluble metal petroleum sulfonate, an oxidate ester, an organic acid ester, and a hydrocarbon oil. The coating oils are highly effective for preventing rust and corrosion of both ferrous and non-ferrous metals but are particularly advantageous for application to metal sheet which is subsequently to be electrocoated. Coating oils formulated in accordance with the present invention exhibit improved electrocoat compatibility.
    Type: Grant
    Filed: August 15, 1989
    Date of Patent: March 19, 1991
    Assignee: Cincinnati-Vulcan Company
    Inventors: Robert J. Sturwold, George E. F. Brewer