Patents by Inventor Achim Harder

Achim Harder 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).

  • Substituted 1,3,4-oxa (thia) diazolinones process for their preparation and their use of combating endoparasites
    Patent number: 5093343
    Abstract: Substituted 1,3,4-oxa- and thiadiazolinones of the formula (I) ##STR1## in which R.sup.1 represents hydrogen, alkyl, alkoxy, alkylthio, halogen, halogenoalkyl, halogenoalkoxy or halogenoalkylthio,R.sup.2 represents one or more identical or different radicals from among hydrogen, alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, halogenoalkylthio, alkylenedioxy, halogenoalkylenedioxy, halogen, CN, NO.sub.2, NH.sub.2, alkylamino, dialkylamino, alkylcarbonyl, carbalkoxy, alkylsulphonyl, arylsulphonyl, sulphamoyl, alkylsulphamoyl, dialkylsulphamoyl, aryl, aryloxy or arylthio, which, in turn, can be sutstituted,R.sup.3 represents one or more identical or different radicals from among hydrogen, alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, halogenoalkylthio, alkylenedioxy, halogenoalkylenedioxy, halogen, CN, NO.sub.
    Type: Grant
    Filed: September 5, 1990
    Date of Patent: March 3, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerhard Bonse, Nikolaus Muller, Achim Harder