Patents by Inventor Theodore Churma

Theodore Churma 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).

  • Modification of ethylene vinyl acetate copolymer
    Patent number: 4675364
    Abstract: The melt index is reduced and the rheology is modified in ethylene-vinyl acetate copolymers used in the manufacture of films, by the addition of a crosslinking agent to the copolymer. This allows the use of more readily available raw materials and improves the stability of the bubble during stretching of tubular films.
    Type: Grant
    Filed: February 13, 1985
    Date of Patent: June 23, 1987
    Assignee: Viskase Corporation
    Inventors: Theodore Churma, Elwood D. Latimer, Jr., Stephen J. Vicik
  • Modification of ethylene vinyl acetate copolymer
    Patent number: 4515745
    Abstract: The melt index is reduced and the rheology is modified in ethylene-vinyl acetate copolymers used in the manufacture of films, by the addition of a crosslinking agent to the copolymer. This allows the use of more readily available raw materials and improves the stability of the bubble during stretching of tubular films.
    Type: Grant
    Filed: May 18, 1983
    Date of Patent: May 7, 1985
    Assignee: Union Carbide Corporation
    Inventors: Theodore Churma, Elwood D. Latimer, Jr., Stephen J. Vicik