Patents by Inventor Hans Seidenath

Hans Seidenath 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).

  • Antimalarial compositions
    Patent number: 4284627
    Abstract: Antimalarial compositions are disclosed containing as the active ingredient a mixture of a tetrahydroacridone of the general formula I ##STR1## in which R.sup.1 represents methyl, phenyl, p-chlorophenyl, m-chlorophenyl, p-fluorophenyl, p-trifluoromethylphenyl, o-trifluoromethylphenyl or o-chloro-p-trifluoromethylphenyl,R.sup.2 represents hydrogen or methyl, andR.sup.3 represents fluorine or chlorine,or a salt of such a compound with a physiologically compatible acid or base, with(a) 6-methoxy-.alpha.-(5-vinyl-2-quinuclidinyl)-4-quinoline-methanol (Quinine),(b) 7-chloro-4-(diethylamino-1-methyl-butylamino)-quinoline (Chloroquine),(c) .alpha.
    Type: Grant
    Filed: July 7, 1980
    Date of Patent: August 18, 1981
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Wolfgang Raether, Walter Durckheimer, Hans Seidenath
  • Antimalarial compositions
    Patent number: 4260615
    Abstract: Antimalarial compositions are disclosed containing as the active ingredient a mixture of a tetrahydroacridone of the general formula I ##STR1## in which R.sup.1 represents methyl, phenyl, p-chlorophenyl, m-chlorophenyl, p-fluorophenyl, p-trifluoromethylphenyl, o-trifluoromethylphenyl or o-chloro-p-trifluoromethylphenyl,R.sup.2 represents hydrogen or methyl, andR.sup.3 represents fluorine or chlorine,or a salt of such a compound with a physiologically compatible acid or base, with(a) 6-methoxy-.alpha.-(5-vinyl-2-quinuclidinyl)-4-quinoline-methanol (Quinine),(b) 7-chloro-4-(diethylamino-1-methyl-butylamino)-quinoline (Chloroquine),(c) .alpha.
    Type: Grant
    Filed: October 26, 1978
    Date of Patent: April 7, 1981
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Wolfgang Raether, Walter Durckheimer, Hans Seidenath