Patents by Inventor Richard L. Ferencz

Richard L. Ferencz 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).

  • Patent number: 5910225
    Abstract: A nonwoven porous fabric is laminated to a thermoplastic film, with the film being capable of rendered microporous upon permanent elongation. The film and fabric laminate is then heated and elongated, causing the fabric and film to become thinner and to cause the film layer to become microporous.
    Type: Grant
    Filed: October 16, 1997
    Date of Patent: June 8, 1999
    Assignee: Chicopee, Inc.
    Inventors: Larry H. McAmish, Richard L. Ferencz, Gregg T. Wilkinson
  • Patent number: 4537991
    Abstract: The present disclosure is concerned with a process of reacting a solid aromatic amine with liquid acetic anhydride to yield a solid amide. The amine is in a flowable particulate form and it is subject to sufficient agitation during the reaction to prevent agglomeration. The amide is recovered as a flowable particulate by evaporation of the acetic acid by product and any excess acetic anhydride.
    Type: Grant
    Filed: November 30, 1983
    Date of Patent: August 27, 1985
    Assignee: Mobay Chemical Corporation
    Inventors: Ellis Margaret D., Richard L. Ferencz, Dietmar Kalz