Patents by Inventor Rudolf Biber

Rudolf Biber 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).

  • Compounds having an immunizing activity
    Patent number: 4794125
    Abstract: Process for the preparation of new immunizing compounds of 2,6-di[(monoalkylamino)-acetyl amino]anthraquinone, by reacting 2,6 diaminoanthraquinone with a chloracetic acid chloride and reaction of bis-.beta.-halogenoacylamino anthraquinone thus obtained with methylamine or ethylamine. Also disclosed are compounds thus obtained or acid addition salts thereof, pharmaceutical compositions and utilization of said compounds as immunizing drugs.
    Type: Grant
    Filed: April 21, 1988
    Date of Patent: December 27, 1988
    Assignee: CL Pharma AG
    Inventor: Rudolf Biber