Patents by Inventor Otto Ewald Urbschat, deceased

Otto Ewald Urbschat, deceased 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).

  • Repellent aminoalkyldithiocarbamic acids
    Patent number: 3940488
    Abstract: Compositions and methods of using aminoalkyldithiocarbamic acids of the formula ##EQU1## in which Alk is an alkylene radical of 2 to 6 carbon atoms,Some of which are new, which possess strong fungicidal and animal-repellent properties.
    Type: Grant
    Filed: January 2, 1975
    Date of Patent: February 24, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Paul-Ernst Frohberger, Otto Ewald Urbschat, deceased, Gunther Hermann