Patents by Inventor Max Maurer

Max Maurer 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).

  • N-3-(5-trifluoromethylpyridyl-2-oxy)phenyl-N'-benzoylureas for controlling helminths in productive livestock
    Patent number: 4977169
    Abstract: The invention relates to the use of N-3-(5-trifluoromethylpyridyl-2-oxy)phenyl-N'-benzoylureas of formula I ##STR1## wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.2 alkoxy, C.sub.1 -C.sub.2 alkylthio, C.sub.1 -C.sub.2 alkyl or halogen,R.sub.2, R.sub.3 and R.sub.5 are independently of each other hydrogen or halogen, andR.sub.4 is hydrogen, C.sub.1 -C.sub.2 alkyl or halogen,for controlling helminths, especially nematodes and trematodes, in domestic animals and productive livestock.
    Type: Grant
    Filed: May 15, 1989
    Date of Patent: December 11, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Walter Hausermann, Max Maurer, Thomas Friedel