Patents by Inventor Ronald R. McManis

Ronald R. McManis 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).

  • Polyacrylate pigment dispersants for magnesium oxide
    Patent number: 4230610
    Abstract: Use of polyacrylates to reduce slurry viscosity and permit utilization of higher solids slurries of magnesium oxide.
    Type: Grant
    Filed: August 1, 1979
    Date of Patent: October 28, 1980
    Assignee: Calgon Corporation
    Inventors: Ronald J. Falcione, Ronald R. McManis, Joseph A. Aufman