Patents by Inventor Marc Francque

Marc Francque 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: 3975534
    Abstract: 2-Phenyliminopyrrolidines of the formula: ##EQU1## or salts thereof, WHEREINR.sub.1 is halogen,R.sub.2 is hydrogen, halogen, alkyl of 1 to 6 carbon atoms, difluoromethyl or trifluoromethyl,R.sub.3 is hydrogen or alkyl, preferably lower alkyl,n is an integer from 1 to 4, andA, b and D each represent hydrogen, alkyl of 1 to 6 carbon atoms, alkenyl of 2 to 6 carbon atoms, or A and B, or B and D are linked to each other to form a ring, provided that at least one of A, B and D is alkyl or alkenyl,Are useful as acaricides.
    Type: Grant
    Filed: January 24, 1974
    Date of Patent: August 17, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Edgar Enders, Wilhelm Stendel, Jurgen-Dietrich Meier, Marc Francque