Patents by Inventor Hendrikus Gijsbertus Andrianus Kaathoven Van

Hendrikus Gijsbertus Andrianus Kaathoven Van 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 producing a coated fertilizer
    Patent number: 9328033
    Abstract: A process for producing polyurethane coated fertilizer granules having core granules in a rotating drum, wherein the drum has an inlet and an outlet and n application zones arranged along the longitudinal direction of the drum between the inlet and the outlet, n being an integer of at least 2 and wherein each of the application zones is followed by a curing zone. The curing zone after each application zone is arranged to allow an interval of 2-15 minutes, preferably 3-5 minutes, before the application in the successive application zone, wherein the polyol and the isocyanate are applied in the first application zone at a ratio of 0.5-4 wt %, preferably 1-3 wt % of the core granules.
    Type: Grant
    Filed: August 24, 2012
    Date of Patent: May 3, 2016
    Assignee: EKOMPANY INTERNATIONAL B.V.
    Inventors: Hendrikus Gijsbertus Andrianus Kaathoven Van, Hoa Xuan Bui
  • Process for producing a coated fertilizer comprising boron
    Patent number: 9090518
    Abstract: A process for producing polyurethane coated fertilizer granules having core granules comprising at least 0.2 wt % of boron, the process having the step of applying a polyol and an isocyanate to the core granules, wherein an acidic component is applied to the core granules no later than the polyol.
    Type: Grant
    Filed: August 24, 2012
    Date of Patent: July 28, 2015
    Assignee: EKOMPANY AGRO B.V.
    Inventors: Hendrikus Gijsbertus Andrianus Kaathoven Van, Hoa Xuan Bui
  • PROCESS FOR PRODUCING A COATED FERTILIZER
    Publication number: 20140255605
    Abstract: A process for producing polyurethane coated fertilizer granules having core granules in a rotating drum, wherein the drum has an inlet and an outlet and n application zones arranged along the longitudinal direction of the drum between the inlet and the outlet, n being an integer of at least 2 and wherein each of the application zones is followed by a curing zone. The curing zone after each application zone is arranged to allow an interval of 2-15 minutes, preferably 3-5 minutes, before the application in the successive application zone, wherein the polyol and the isocyanate are applied in the first application zone at a ratio of 0.5-4 wt %, preferably 1-3 wt % of the core granules.
    Type: Application
    Filed: August 24, 2012
    Publication date: September 11, 2014
    Applicant: EKOMPANY AGRO B.V.
    Inventors: Hendrikus Gijsbertus Andrianus Kaathoven Van, Hoa Xuan Bui
  • PROCESS FOR PRODUCING A COATED FERTILIZER COMPRISING BORON
    Publication number: 20140216119
    Abstract: A process for producing polyurethane coated fertilizer granules having core granules comprising at least 0.2 wt % of boron, the process having the step of applying a polyol and an isocyanate to the core granules, wherein an acidic component is applied to the core granules no later than the polyol.
    Type: Application
    Filed: August 24, 2012
    Publication date: August 7, 2014
    Applicant: EKOMPANY AGRO B.V.
    Inventors: Hendrikus Gijsbertus Andrianus Kaathoven Van, Hoa Xuan Bui