Patents by Inventor Friedrich Linhart

Friedrich Linhart 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).

  • Insecticidal agents
    Patent number: 4256754
    Abstract: Insecticidal agents containing insecticidal active ingredients selected from the group consisting of carbamates, phosphoric (phosphonic) (di)(thio) acid esters, pyrethrins, pyrethroids, .alpha.-alkylphenyl acetates, .alpha.-cyclopropyl-phenyl acetates and chlorinated hydrocarbons, and, to increase the insecticidal action of these active ingredients, triazole derivatives or salts thereof.The triazole derivatives have the formula ##STR1## where R denotes unsubstituted or halogen-substituted phenyl, or ##STR2## Y denoting hydrogen, halogen, alkylmercapto of 1 to 6 carbon atoms, alkenylmercapto of 2 to 6 carbon atoms, or unsubstituted or halogen-substituted phenylmercapto, X denoting halogen, and n denoting one of the integers zero, 1 and 2, with the proviso that n does not denote zero when Y is halogen.
    Type: Grant
    Filed: July 20, 1979
    Date of Patent: March 17, 1981
    Assignee: BASF Aktiengesellschaft
    Inventors: Friedrich Linhart, Bernd Zeeh, Heinrich Adolphi
  • N-Cyclohexyl-N-methoxyacetoacetamide
    Patent number: 4240973
    Abstract: N-Cyclohexyl-N-methoxyacetoacetamide, its preparation and its use as an intermediate for the preparation of O-methyl-N-cyclohexyl-2,5-dimethylfuran-3-hydroxamic acid.
    Type: Grant
    Filed: July 23, 1979
    Date of Patent: December 23, 1980
    Assignee: BASF Aktiengesellschaft
    Inventors: Friedrich Linhart, Bjoern Girgensohn, Bernd Zeeh
  • Preparation of 2,5-dimethylfuran-3-carboxylic acid alkyl esters
    Patent number: 4207243
    Abstract: A process for the preparation of a 2,5-dimethylfuran-3-carboxylic acid ester from an .alpha.-acyloxypropionaldehyde and an acetoacetic acid ester in the presence of anhydrous iron-III chloride.
    Type: Grant
    Filed: May 22, 1979
    Date of Patent: June 10, 1980
    Assignee: BASF Aktiengesellschaft
    Inventors: Friedrich Linhart, Bjoern Girgensohn, Hans Merkle, Hardo Siegel, Hans-Richard Mueller
  • Preparation of 1-cyano-2,1,3-benzothiadiazinones
    Patent number: 4200743
    Abstract: A process for the preparation of 1-cyano-2,1,3-benzothiadiazinone compounds by reacting a mixture of bromine and water with an inorganic cyanide and then with a salt of a 2,1,3-benzothiadiazin-4-one-2,2-dioxide and a base.
    Type: Grant
    Filed: May 31, 1979
    Date of Patent: April 29, 1980
    Assignee: BASF Aktiengesellschaft
    Inventors: Friedrich Linhart, Gerd Stubenrauch, Gerhard Hamprecht
  • N-(fluorodichloromethylthio)-benzanilides
    Patent number: 4098810
    Abstract: New and valuable N-(fluorodichloromethylthio)-benzanilides, a process for their manufacture, fungicides containing these compounds as active ingredients, and a method of combatting fungi with these compounds.
    Type: Grant
    Filed: February 18, 1977
    Date of Patent: July 4, 1978
    Assignee: BASF Aktiengesellschaft
    Inventors: Sabine Thym, Ernst-Heinrich Pommer, Bernd Zeeh, Friedrich Linhart
  • Certain N-methoxy-N-cycloalkyl-2-methyl-3-furancarboxamides and fungicidal method using same
    Patent number: 3993772
    Abstract: New and valuable furanhydroxamic acid derivatives having a good fungicidal action, fungicides containing these compounds as active ingredients, a process for controlling the growth of fungi with these compounds, and a process for their manufacture.
    Type: Grant
    Filed: November 4, 1975
    Date of Patent: November 23, 1976
    Assignee: BASF Aktiengesellschaft
    Inventors: Ernst-Heinrich Pommer, Bernd Zeeh, Friedrich Linhart