Patents by Inventor Lother Rohe

Lother Rohe 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).

  • Pyrimidin(4)-yl-(thiono)-(thiol)-phosphoric-(phosphonic)-acid esters
    Patent number: 3966730
    Abstract: Pyrimidin(4)-yl-(thiono)-phosphoric-(phosphonic) acid esters and ester amides of the formula ##SPC1##In whichR.sup.1 is hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, aryl or aralkyl,R.sup.2 is hydrogen, alkyl, alkoxy, alkylmercapto, alkylcarbonyl, alkoxycarbonyl, halogen, nitrile or thiocyanato,R.sup.3 is hydrogen, alkyl, aryl or alkoxycarbonylalkyl, orR.sup.2 is R.sup.3 conjointly form an alkylene bridge which forms a 5-membered to 7-membered ring with the adjoining carbon atoms,R.sup.4 is alkyl or alkoxyalkyl,R.sup.5 is alkyl, alkoxy, alkylmercapto, alkylamino, or aryl, andX is oxygen or sulfur,Which possess insecticidal, acaricidal and nematocidal properties.
    Type: Grant
    Filed: August 22, 1974
    Date of Patent: June 29, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Hofer, Fritz Maurer, Hans-Jochem Riebel, Lother Rohe, Wolfgang Behrenz, Ingeborg Hammann, Wilhelm Stendel, Bernhard Homeyer