Patents by Inventor Christine M. Kaufmann

Christine M. Kaufmann 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).

  • Method for forming structural panels having a core with thermoplastic resin facings
    Patent number: 5484500
    Abstract: A process for fabricating panels of a core material with thermoplastic resin facings. The core material is either foam or a honeycomb structure from aramid paper. A belt press machine provides a means for rapid heating and cooling such that the core will not degrade. Since the process is so rapid, aramid fibers can be used to reinforce the resin facings without deleterious decomposition of the fibers under the temperatures used to heat the panels during forming.
    Type: Grant
    Filed: October 11, 1994
    Date of Patent: January 16, 1996
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Christine M. Kaufmann, Dale L. Murschell, Dennis A. Nollen, Anthony R. Saracino, Joseph D. Trentacosta
  • Method for forming structural panels having a foam core with thermoplastic facings
    Patent number: 5407516
    Abstract: A process for fabricating panels of a core material with thermoplastic resin facings. The core material is either foam or a honeycomb structure from aramid paper. A belt press machine provides a means for rapid heating and cooling such that the core will not degrade. Since the process is so rapid, aramid fibers can be used to reinforce the resin facings without deleterious decomposition of the fibers under the temperatures used to heat the panels during forming.
    Type: Grant
    Filed: April 2, 1993
    Date of Patent: April 18, 1995
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Christine M. Kaufmann, Dale L. Murschell, Dennis A. Nollen, Anthony R. Saracino, Joseph D. Trentacosta
  • Panel having a core with thermoplastic resin facings
    Patent number: 5328744
    Abstract: A panel comprising a core member in the form of a honeycomb structure of aramid paper and thermoplastic resin sheet material reinforced with a fiber selected from the group consisting of aramid, carbon and glass bonded to both sides of said core member to form facings therefor.
    Type: Grant
    Filed: October 9, 1990
    Date of Patent: July 12, 1994
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Christine M. Kaufmann, Dale L. Murschell, Dennis A. Nollen, Anthony R. Saracino, Joseph D. Trentacosta