Patents by Inventor Francis J. Mangravite, Jr.

Francis J. Mangravite, Jr. 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 treating aqueous suspension
    Patent number: 4784776
    Abstract: Blends of formaldehyde-based aminoplast resins and water-soluble amines are employed in the purifications of aqueous liquids which contain suspended matter.
    Type: Grant
    Filed: September 19, 1986
    Date of Patent: November 15, 1988
    Assignee: Pony Industries, Inc.
    Inventor: Francis J. Mangravite, Jr.