Patents by Inventor Hinrich Otten

Hinrich Otten 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).

  • Benzoic acid amides for mycobacterium infections
    Patent number: 4006239
    Abstract: Benzoic acid amides characterized by the presence of a hydroxy or amino substituent in the phenyl ring, or an alkylated or acylated derivative thereof and by a heterocyclic group connected to the amide nitrogen atom through a hydrocarbon chain are antibacterial agents and in particular anti-tuberculosis agents. The compounds, of which N-[pyridyl-(2)-methyl]-2-hydroxybenzoic acid amide is a typical embodiment, are prepared by the reaction of an appropriately substituted benzoic acid, or derivative thereof, with an appropriate amine.
    Type: Grant
    Filed: April 2, 1975
    Date of Patent: February 1, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl Heinrich Mayer, Hans-Joachim Kabbe, Hinrich Otten
  • Pyridine carboxylic acid amides for mycobacterium infections
    Patent number: 3995044
    Abstract: Benzoic acid amides characterized by the presence of a nitro, cyano, trifluoromethyl, alkylsulfonyl, carboxy, carbalkoxy, amido or sulfonamido substituent in the phenyl ring and by the presence of a heterocyclic group connected to the amide nitrogen atom through a hydrocarbon chain are antibacterial agents and in particular antituberculosis agents. The compounds, of which N-(pyrid-2-yl-methyl)3,5-dinitrobenzoic acid amide is a typical embodiment, are prepared by the reaction of an appropriately substituted benzoic acid, or derivative thereof, with an appropriate amine.
    Type: Grant
    Filed: June 3, 1975
    Date of Patent: November 30, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Joachim Kabbe, Hinrich Otten, Karl Heinrich Mayer, Erich Klauke