Patents by Inventor Joseph R. Walta

Joseph R. Walta 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).

  • Apparatus for the manufacture of cellulose food casing
    Patent number: 5597587
    Abstract: An apparatus to manufacture a cellulose food casing including a nonderivatized cellulose film precipitated in tubular form from an extruded thermoplastic solution of cellulose and an amine oxide cellulose solvent.
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: January 28, 1997
    Assignee: Viskase Corporation
    Inventors: Myron D. Nicholson, Edward M. Kajiwara, Paul E. Ducharme, Jr., Merlan E. McAllister, Joseph R. Walta
  • Method of making a cellulose food casing
    Patent number: 5277857
    Abstract: A cellulosic food casing formed by extruding a nonderivatized cellulose solution composed of cellulose pulp and an amine solvent into a seamless tube, contacting the inner and outer surfaces of the seamless tube with a nonsolvent liquid to precipitate a tube of nonderivatized cellulose and thereafter contacting the same with a water soluble softener. Apparatus for forming the food casing and a food casing of nonderivatized cellulose also are disclosed.
    Type: Grant
    Filed: January 17, 1992
    Date of Patent: January 11, 1994
    Assignees: Viskase Corporation, Courtaulds Fibres Limited
    Inventors: Myron D. Nicholson, Edward M. Kajiwara, Paul E. Ducharme, Jr., Merlan E. McCallister, Joseph R. Walta