Patents by Inventor Peter A. Koch

Peter A. Koch 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: 5244671
    Abstract: New porphycene compounds useful as photodynamic therapy agents. The porphycene compounds have an active group capable of binding to proteins and peptides and facilitating decomposition of the porphycenes following therapy.
    Type: Grant
    Filed: January 29, 1991
    Date of Patent: September 14, 1993
    Assignee: Cytopharm, Inc.
    Inventors: Emanuel Vogel, Peter A. Koch, Afssaneh Rahbar, Alexander D. Cross