Patents by Inventor Stanislaus Martinus Petrus Mutsers

Stanislaus Martinus Petrus Mutsers 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).

  • Process for the preparation of urea granules
    Patent number: 7704419
    Abstract: Process for the preparation of urea granules in a fluid bed granulator comprising at least one inlet for fluidization air, a distribution plate above which the fluid bed is present and sprayers that are mounted in the distribution plate, from which the urea melt is sprayed on or over the urea particles present in the fluid bed, which particles are kept in motion by the fluidization air, characterized in that the fluidization air contains very finely atomized water and in that the urea concentration of the urea melt is higher than 97 wt. %.
    Type: Grant
    Filed: July 2, 2004
    Date of Patent: April 27, 2010
    Assignee: DSM IP Assets B.V.
    Inventors: Stanislaus Martinus Petrus Mutsers, Antonius Jozef Peter Bongers, Gerardus Mathias Cornelis Wagemans
  • Process for the preparation of urea granules
    Patent number: 7498055
    Abstract: Process for the preparation of urea granules in a fluid-bed granulator, by using at least one feeding device to feed a urea melt in the form of a film to a fluidized bed of solid urea nuclei, upon which the nuclei grow by solidification of the urea melt on the nuclei, in which the amounts of biuret and water in the urea melt and in the urea granules fulfill the following relation b m · b g w m · ( w m - w g ) = 0.1 - 20 wherein bm=the % by weight of biuret in the urea melt bg=the % by weight of biuret in the urea granules wm=the % by weight of water in the urea melt wg=the % by weight of water in the urea granules.
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: March 3, 2009
    Assignee: DSM IP Assets B.V.
    Inventor: Stanislaus Martinus Petrus Mutsers