Patents by Inventor Rudolf K. Zahn

Rudolf K. Zahn 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).

  • Avarone and its pharmaceutical compositions and use as an antiviral agent
    Patent number: 5180748
    Abstract: The antitumor and antiviral compound avarone, a process for its production, pharmaceutical compositions containing said compound, and a method of combating susceptible viruses and tumors therewith, are disclosed.
    Type: Grant
    Filed: December 29, 1989
    Date of Patent: January 19, 1993
    Assignee: Merz+Co. GmbH & Co.
    Inventors: Werner E. G. Muller, Rudolf K. Zahn, Eckart Eich
  • Avarol and its production and use as an antitumor agent (I)
    Patent number: 5082865
    Abstract: The antitumor compound avarol, a process for its production, pharmaceutical compositions containing said compound, and a method of combating tumors therewith, are disclosed.
    Type: Grant
    Filed: December 29, 1989
    Date of Patent: January 21, 1992
    Inventors: Werner E. G. Muller, Rudolf K. Zahn, Eckart Eich
  • Avarol, process for its production, pharmaceutical compositions thereof, and antiviral use of the same
    Patent number: 4946869
    Abstract: The antiviral compond avarol, a process for its production, pharmaceutical compositions containing said compound, and a method of combating viruses therewith, are disclosed.
    Type: Grant
    Filed: January 17, 1986
    Date of Patent: August 7, 1990
    Assignee: Merz and Co. GmbH & Co.
    Inventors: Werner E. G. Muller, Rudolf K. Zahn, Eckart Eich