Patents by Inventor James E. McNutt

James E. McNutt 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 flux for hot dip metalizing process
    Patent number: 4496612
    Abstract: A flux bath and its use in treating ferrous articles prior to their being dipped in a molten aluminum-zinc alloy is disclosed. The flux may be molten bath or used as an aqueous solution which contains from 200 to 750 g/l dissolved solids. The dissolved solids are 91 to 98.5 wt. % zinc chloride, 1.5 to 9 wt. % ammonium chloride and, based on zinc chloride and ammonium chloride, from 0.6 to 3 wt. % fluoride ions.
    Type: Grant
    Filed: December 27, 1983
    Date of Patent: January 29, 1985
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James E. McNutt, Robert J. Scott, Charles W. Welch