Patents by Inventor Hans Grabinger

Hans Grabinger 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: 4021424
    Abstract: Novel s-triazines of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of chlorine and methylthio, R.sub.2 is selected from the group consisting of mono- and dialkylamino with alkyls of 1 to 4 carbon atoms, R.sub.3 is selected from the group consisting of chlorine, methylthio, ethylthio and mono- and dialkylamino with alkyls of 1 to 4 carbon atoms and R.sub.4 is alkyl of 1 to 4 carbon atoms having herbicidal activity.
    Type: Grant
    Filed: May 19, 1975
    Date of Patent: May 3, 1977
    Assignee: Celamerck GmbH & Co. KG
    Inventors: Hans Grabinger, Richard Sehring