Patents by Inventor John D. Craig

John D. Craig 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).

  • Aqueous acrylic coating composition for electrical conductors
    Patent number: 4159364
    Abstract: An aqueous coating composition for electrical conductors in which the film-forming constituents are(A) an acrylic polymer of acrylonitrile or methacrylonitrile, an alkyl acrylate such as butyl acrylate, methacrylic acid or acrylic acid, and an alkoxymethylacrylamide such as N-(isobutoxymethyl) acrylamide, and(B) a phenol formaldehyde condensate; the composition is particularly useful for coating wires and other electrical conductors of aluminum, copper, aluminum alloys and the like.
    Type: Grant
    Filed: August 1, 1978
    Date of Patent: June 26, 1979
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: John D. Craig
  • Aqueous acrylic coating composition for electrical conductors
    Patent number: 4129544
    Abstract: An aqueous coating composition for electrical conductors in which the film-forming constituents are(A) an acrylic polymer of acrylonitrile or methacrylonitrile, an alkyl acrylate such as butyl acrylate, methacrylic acid or acrylic acid, and an alkoxymethylacylamide such as N-(isobutoxymethyl) acrylamide, and(B) a phenol formaldehyde condensate; the composition is particularly useful for coating wires and other electrical conductors of aluminum, copper, aluminum alloys and the like.
    Type: Grant
    Filed: August 24, 1977
    Date of Patent: December 12, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: John D. Craig