Patents by Inventor Ronald J. Foltz

Ronald J. Foltz 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).

  • Superabsorbent structure
    Patent number: 5433994
    Abstract: The instant invention is directed to an article of manufacture for absorbing liquids. This invention comprises: a superabsorbent structure; and a permeable means for coating the superabsorbent structure. The superabsorbent structure comprises a superabsorbent polymer mixed into a matrix material, the matrix material being selected from the group consisting of cellulose ester, acrylic acid ester, polyvinyl ester, copolymers of the foregoing and combinations thereof. The permeable means is laminated onto the superabsorbent structure.
    Type: Grant
    Filed: December 18, 1992
    Date of Patent: July 18, 1995
    Inventors: Betty J. McKinney, Joanne C. Maheras, Ronald J. Foltz, Steven F. Nielsen, Ronald O. Bryant, John B. Hopkins