Patents by Inventor Ernst A. H. Friedheim

Ernst A. H. Friedheim 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).

  • Melaminylthioarsenites
    Patent number: 4514390
    Abstract: Compounds of the formula ##STR1## wherein Y is selected from the group consisting of NH.sub.2, ##STR2## and n and m are both integers from 2 to 12 with the proviso that the value of n plus m is no more than 12, and the pharmaceutically acceptable acid addition salts thereof, are useful in the treatment of trypanocide and macrofilaricide infections.
    Type: Grant
    Filed: April 12, 1982
    Date of Patent: April 30, 1985
    Assignee: The Rockefeller University
    Inventor: Ernst A. H. Friedheim
  • Arsenamide compound
    Patent number: 4151188
    Abstract: There is disclosed an arsenamide compound of the formula ##STR1## The compound is useful in combatting filariasis due to D. immitis in dogs.
    Type: Grant
    Filed: July 12, 1974
    Date of Patent: April 24, 1979
    Inventor: Ernst A. H. Friedheim
  • Filaricidal and trypanocidal phenylarsenodithio compounds
    Patent number: 3974148
    Abstract: Filaricidal and trypanocidal phenylarsenodithio compounds of the formula ##SPC1##Wherein R.sub.1 is --OH or --CO.NH.sub.2 or the rest ##SPC2##And R.sub.2 is hydrogen or the amino group, as well as salts of these compounds with acids and bases.
    Type: Grant
    Filed: July 11, 1972
    Date of Patent: August 10, 1976
    Inventor: Ernst A. H. Friedheim