Patents Assigned to CL Pharma AG
  • 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