Patents by Inventor Hans-Joachim Niclas

Hans-Joachim Niclas 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).

  • Patent number: 8986419
    Abstract: The invention relates to an aqueous solution of a mixture for treating urea-based fertilizers/fertilizers containing ammonium that contains 1,2,4-triazole and 3-methylpyrazole in the weight ratio 2/1 and at least one polyvinyl alcohol, polyvinylpyrrolidone and a tenside.
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: March 24, 2015
    Assignee: SKW Stickstoffwerke Piesteritz GmbH
    Inventors: Petra Reinhardt, Ute Radics, Hans-Joachim Niclas
  • Publication number: 20130160507
    Abstract: The invention relates to an aqueous solution of a mixture for treating urea-based fertilisers/fertilisers containing ammonium that contains 1,2,4-triazole and 3-methylpyrazole in the weight ratio 2/1 and at least one polyvinyl alcohol, polyvinylpyrrolidone and a tenside.
    Type: Application
    Filed: May 27, 2011
    Publication date: June 27, 2013
    Inventors: Petra Reinhardt, Ute Radics, Hans-Joachim Niclas
  • Patent number: 7855189
    Abstract: The invention relates to N-phenylphosphoric acid triamides of general formula (I) to a method for the production thereof and to their use as agents for regulating or inhibiting enzymatic urea hydrolysis.
    Type: Grant
    Filed: February 4, 2005
    Date of Patent: December 21, 2010
    Assignee: SKW Stickstoffwerke Piesteritz GmbH
    Inventors: André Hucke, Hans-Joachim Niclas, Hartmut Wozniak, Hans-Jürgen Michel, Carola Schuster
  • Publication number: 20080070871
    Abstract: The invention relates to N-phenylphosphonic acid triamides of general formula (I), to a method for the production thereof and to their use as agents for regulating or inhibiting enzymatic urea hydrolysis.
    Type: Application
    Filed: February 4, 2005
    Publication date: March 20, 2008
    Inventors: Andre Hucke, Hans-Joachim Niclas, Hartmut Wozniak, Hans-Jurgen Michel, Carola Schuster