Patents by Inventor Wolfram Zerulla

Wolfram Zerulla 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).

  • Preparations with improved urease-inhibiting effect and urea-containing fertilizers containing the latter
    Patent number: 8075659
    Abstract: The invention relates to preparations with improved urease-inhibitory effect which comprise at least two different (thio)phosphoric triamides and to urea-comprising fertilizers which comprise these preparations. The invention furthermore relates to a method of preparing these preparations, to the use of these preparations in the fertilization with urea-comprising fertilizers, and to the use of urea-comprising fertilizers which comprise these preparations in agriculture or in horticulture.
    Type: Grant
    Filed: February 7, 2007
    Date of Patent: December 13, 2011
    Assignee: BASF SE
    Inventors: Alexander Wissemeier, Patrick Deck, Oliver Huttenloch, Michael Mauβ, Gregor Pasda, Ralf-Thomas Rahn, Wolfgang Weigelt, Wolfram Zerulla
  • PREPARATIONS WITH IMPROVED UREASE-INHIBITING EFFECT AND UREA-CONTAINING FERTILIZERS CONTAINING THE LATTER
    Publication number: 20100218575
    Abstract: The invention relates to preparations with improved urease-inhibitory effect which comprise at least two different (thio)phosphoric triamides and to urea-comprising fertilizers which comprise these preparations. The invention furthermore relates to a method of preparing these preparations, to the use of these preparations in the fertilization with urea-comprising fertilizers, and to the use of urea-comprising fertilizers which comprise these preparations in agriculture or in horticulture.
    Type: Application
    Filed: February 7, 2007
    Publication date: September 2, 2010
    Applicant: BASF SE
    Inventors: Alexander Wissemeier, Patrick Deck, Oliver Huttenloch, Michael Mauss, Gregor Pasda, Ralf-Thomas Rahn, Wolfgang Weigelt, Wolfram Zerulla
  • Long-term fertilizer containing nitrogen
    Publication number: 20030154755
    Abstract: A long-term fertilizer containing nitrogen, contains a mixture of acetylene diurea and at least one other organic fertilizer containing nitrogen, such as methylene urea, isobutylidene diurea, crotonylidene diurea, oxamide, melamine, substituted triazones, ethylene diurea, triuret or mixtures of them.
    Type: Application
    Filed: December 6, 2002
    Publication date: August 21, 2003
    Inventors: Klaus Horchler, Alexander Wissemeier, Reinhard Hahndel, Vilmos Czikkely, Wolfgang Weigelt, Wolfram Zerulla