Patents by Inventor Alfreda Graczyk

Alfreda Graczyk 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).

  • Complex salts of hematoporphyrin and of its derivatives, their synthesis, and therapeutic agent
    Patent number: 5451599
    Abstract: New complex salts of hematoporphyrin and of its derivatives have the general Formula 1 (FIG. 1). The method of preparation of new complex salts of Formula 1 consists of reacting, with a basic amino acid, hematoporphyrin derivatives of general Formula 4 (FIG. 4). The new complex salts are used as a therapeutic agent for detection and treatment of neoplasms.
    Type: Grant
    Filed: October 29, 1992
    Date of Patent: September 19, 1995
    Assignee: Wojskowa Akademia Techniczna im. Jaroslawa Dabrowskiego
    Inventors: Alfreda Graczyk, Jerzy Konarski