Patents by Inventor Erwin A. Vogler

Erwin A. Vogler 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
  • Compartmentalized cell-culture device and method
    Patent number: 4748124
    Abstract: A closed, cell culture device constructed using a first and second sheet of gas permeable, liquid-impermeable material. A third sheet of a material selectively permeable to a class of molecules sandwiched between the first and second sheets, all of the sheets being formed such that the first and third sheets define a first closed compartment and the second and third sheets define a second closed compartment, each compartment having an access port.
    Type: Grant
    Filed: October 30, 1984
    Date of Patent: May 31, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Erwin A. Vogler