Patents by Inventor Friedel Seuter

Friedel Seuter 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).

  • 4-Substituted pyrazoles
    Patent number: 4099011
    Abstract: Pyrazoles of the formula ##STR1## wherein R is hydrogen, alkyl, aryl, aralkyl, trifluoromethyl or a heterocycle;R.sup.1 is aryl or aralkyl unsubstituted or substituted by halo, trifluoromethyl, alkyl, alkoxy or nitro; or a halo-substituted alkylthio moiety;R.sup.2 is lower alkyl; phenyl; or benzyl;R.sup.3 is aryl unsubstituted or substituted by alkyl, alkenyl, alkoxy, halo, trifluoromethyl, trifluoromethoxy, mono- or di-alkylamino, nitro, cyano, carboxamido, sulphonamido or SO.sub.n -alkyl; phenyl having fused thereto a 5- to 7-membered isocyclic or heterocyclic ring, said heterocyclic ring having 1 or 2 oxygen or sulphur heteroatoms; or pyridyl; andR.sup.4 is unsubstituted or substituted carboacyl or sulphonyl; are useful for their diuretic, saluretic, antihypertensive and antithrombotic properties.
    Type: Grant
    Filed: June 8, 1976
    Date of Patent: July 4, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Eike Moller, Karl-August Meng, deceased, Egbert Wehinger, Harald Horstmann, Friedel Seuter
  • 1-[2-(.beta.Naphthyloxy)ethyl]-3-methylpyrazolone-(5) and antithrombotic and antithrombolytic compositions and methods utilizing them
    Patent number: 4053621
    Abstract: 1-[2-(.beta.-Naphthyloxy)ethyl]-3-methylpyrazolone-(5) and its salts are useful in the treatment and prophylaxis of thrombotic conditions. The compound is prepared through the reaction of 2-(.beta.-naphthyloxy)ethylhydrazine with either an acetoacetate or an ester of tetrolic acid, or through the condensation of 3-methylpyrazolinone-(5) with a derivative of 2-(.beta.-naphthyloxy)ethane, optionally with subsequent salt formation.
    Type: Grant
    Filed: June 2, 1975
    Date of Patent: October 11, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Eike Moller, Karl Meng, deceased, Harald Horstmann, Friedel Seuter, Egbert Wehinger