Patents by Inventor by Annelise Klara Helene Wiesenhutter, heiress

by Annelise Klara Helene Wiesenhutter, heiress 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: 3985762
    Abstract: 2-Alkylsulfinyl-6-nitrobenzthiazoles of the formula ##SPC1##In which R is alkyl having from 1 to 10 carbon atoms are prepared by reacting 2-alkylmercaptobenzthiazoles of the formula ##SPC2##With at least 2 moles of fuming nitric acid in at least 300 grams of sulfuric acid, of at least 90 % strength, per mole of benzthiazole.
    Type: Grant
    Filed: January 2, 1975
    Date of Patent: October 12, 1976
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gunter Karl Wilhelm Otto Dransch, deceased, by Annelise Klara Helene Wiesenhutter, heiress, by Johanna Mathilde Flersheim, heiress
  • Patent number: 3980796
    Abstract: Substituted 2-alkoxycarbonylamine-5(6)-phenylmercapto-benzimidazoles are described as well as a process for their manufacture. The compounds are chemotherapeutics being especially suitable for the control of parasites of humans and animals, for example for controlling nematodes.
    Type: Grant
    Filed: May 27, 1975
    Date of Patent: September 14, 1976
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gunter Karl Wilhelm Otto Dransch, deceased, by Annelise Klara Helene Wiesenhutter, heiress, Johanna Mathilde Flersheim, heiress, Hilmar Mildenberger, Dieter Duwel, Reinhard Kirsch