Patents by Inventor Henry K. Seiler

Henry K. Seiler 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).

  • Electrocoating with water-borne coating composition made from epoxy resin, polymeric acid and tertiary amine
    Patent number: 4303488
    Abstract: Water-borne reaction products of (a) carboxyl-functional polymers; (b) polyepoxides; and (c) tertiary amines are electrocoated to give desirable coatings. The coating compositions can be used with or without crosslinking agents and coalescing aids. The resulting coatings give improved properties, including high degree of flexibility during machining and stamping of the coated articles, corrosion resistance, gloss, hydrolytic stability, and are stable and nonadulterating in contact with foods and beverages.
    Type: Grant
    Filed: June 30, 1980
    Date of Patent: December 1, 1981
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Henry K. Seiler, Eugene G. Sommerfeld