Patents by Inventor Rudolf Petersen

Rudolf Petersen 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: 4152438
    Abstract: Phenoxyalkylaminepyridyl ethers of the formula ##STR1## wherein R.sub.1 is methyl, methoxy, or chlorine; R.sub.2 is hydrogen, methyl, alkoxy containing 1 to 4 carbon atoms, nitro, amino, halogen, cyano, or a residue of the formula ##STR2## N IS 2 OR 3, AND THEIR PHYSIOLOGICALLY ACCEPTABLE ACID ADDITION SALTS. These compounds are useful for lowering blood pressure.
    Type: Grant
    Filed: September 19, 1977
    Date of Patent: May 1, 1979
    Assignee: Beiersdorf Aktiengesellschaft
    Inventors: Wolfgang Fleck, Rudolf Petersen, Heinrich Bahrmann
  • Patent number: 4088757
    Abstract: The present invention relates to 4' amino-4' desoxy-oleandrins of the following formula (I) ##STR1## in which R.sup.1 and R.sup.2 may be the same or different and represent hydrogen or a lower alkyl group with 1 to 4 carbon atoms or R.sup.1 and R.sup.2 together with the nitrogen atom form a pyrrolidino, piperidino, or morpholino radical; as well as the physiologically compatible acid addition salts thereof.These compounds possess positive inotropic cardiac activity and are useful in cases of renal insufficiency.
    Type: Grant
    Filed: January 13, 1977
    Date of Patent: May 9, 1978
    Assignee: Beiersdorf Aktiengesellschaft
    Inventor: Rudolf Petersen