Patents by Inventor Itsuko Manabe

Itsuko Manabe 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).

  • Acetanilide herbicides
    Patent number: 5296454
    Abstract: The invention relates to novel acetanilides of the formula (I) ##STR1## wherein Ar represents phenyl, furyl or thienyl,R.sup.1 represents hydrogen, C.sub.1-5 -alkyl, C.sub.3-6 -cycloalkyl, C.sub.3-6 -cycloalkyl-methyl, C.sub.3-5 alkenyl, C.sub.3-5 -alkynyl, C.sub.1-3 -haloalkyl, C.sub.3-5 -epoxyalkyl, C.sub.1-3 -alkoxy-C.sub.1-4 -alkyl, C.sub.1-3 -alkylthio-C.sub.1-4 -alkyl, C.sub.1-3 -alkoxycarbonyl-C.sub.1-2 -alkyl, cyano-C.sub.1-3 -alkyl, or aralkylR.sup.2 represents hydrogen or C.sub.1-3 -alkyl,R.sup.3 represents hydrogen or C.sub.1-3 -alkyl,X represents halogen, andY represents iso-propyl, tert-butyl, C.sub.1-2 -haloalkyl, C.sub.1-2 -haloalkoxy, C.sub.1-2 -haloalkylthio or C.sub.1-2 -alkylsulfonyl,to processes for their preparation and to their use as herbicides. The invention also relates to novel intermediates and to processes for their preparation.
    Type: Grant
    Filed: June 26, 1992
    Date of Patent: March 22, 1994
    Assignee: Nihon Bayer Agrochem K.K.
    Inventors: Toshio Goto, Hidenori Hayakawa, Itsuko Manabe, Akihiko Yanagi