Patents by Inventor Thomas Huttelmaier

Thomas Huttelmaier 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).

  • Sulfonylureas having heterocyclic substituents, and their use in agriculture
    Patent number: 4492598
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is (among others) (halo)cycloalkyl or (halo)cycloalkenyl, R.sub.2 and R.sub.3 are preferably hydrogen, X is preferably oxygen and R.sub.4 is substituted pyrimidyl or s-triazinyl, are valuable herbicides and growth regulators.
    Type: Grant
    Filed: August 6, 1982
    Date of Patent: January 8, 1985
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Lothar Willms, Thomas Huttelmaier, Hilmar Mildenberger, Klaus Bauer, Helmut Burstell, Hermann Bieringer
  • 1,2-Dihalogenoalkylsulfonyl isocyanates and 1,2-di-halogenocycloalkylsulfonyl isocyanates and process for their manufacture
    Patent number: 4448731
    Abstract: Compounds of the formula ##STR1## wherein X is halogen, R.sub.1 and R.sub.2 are hydrogen, halogen, (halo)alk(en)yl, (halo)alkoxyalkyl or together form an (optionally substituted) alkylene bridge, and R.sub.3 is hydrogen, alkyl or halogen are valuable intermediates in particular for the manufacture of pesticides.
    Type: Grant
    Filed: August 30, 1982
    Date of Patent: May 15, 1984
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Lothar Willms, Dieter Gunther, Thomas Huttelmaier