Patents by Inventor Deborah L. Liczwek

Deborah L. Liczwek 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).

  • Process and means for use of anaphylatoxin adsorbents
    Patent number: 5006259
    Abstract: Anaphylatoxin adsorbing perfluorinated tetrafluoroethylene copolymer containing acid or selected acid derivative functionality, and process and means for the use thereof.
    Type: Grant
    Filed: March 2, 1989
    Date of Patent: April 9, 1991
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Deborah L. Liczwek, Erwin A. Vogler