Patents by Inventor Harri Kiiski

Harri Kiiski 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).

  • Calcium sulfate urea granules and methods for producing and using the same
    Patent number: 11299441
    Abstract: A calcium sulfate urea (UCS) fertilizer granule and methods for making and using the same are disclosed. The granule can include urea, calcium sulfate, and a calcium sulfate urea adduct, wherein a portion of the surface of the calcium sulfate urea adduct includes a layer comprising urea, calcium sulfate, or calcium sulfate urea adduct, or any combination or all thereof.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: April 12, 2022
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Harri Kiiski, Andrew George Kells, Mohamed Akasha M. Khaleel, Nilkamal Bag
  • CALCIUM SULFATE UREA GRANULES AND METHODS FOR PRODUCING AND USING THE SAME
    Publication number: 20200148607
    Abstract: A calcium sulfate urea (UCS) fertilizer granule and methods for making and using the same are disclosed. The granule can include urea, calcium sulfate, and a calcium sulfate urea adduct, wherein a portion of the surface of the calcium sulfate urea adduct includes a layer comprising urea, calcium sulfate, or calcium sulfate urea adduct, or any combination or all thereof.
    Type: Application
    Filed: July 19, 2018
    Publication date: May 14, 2020
    Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Harri KIISKI, Andrew George KELLS, Mohamed Akasha M. KHALEEL, Nilkamal BAG
  • Ammonium nitrate granule and method for the preparation of the same
    Patent number: 8110018
    Abstract: The invention relates to a fertilizer granule containing ammonium nitrate, comprising a core containing ammonium nitrate and a coating layer containing calcium sulphate. The coating layer consists of a mixture containing calcium sulphate and ammonium nitrate. Such a fertilizer granule is preferably produced by contacting the core with an aqueous ammonium nitrate solution and solid calcium sulphate particles, either as a slurry or separately. The production of the fertilizer granule is safe and easy.
    Type: Grant
    Filed: February 24, 2006
    Date of Patent: February 7, 2012
    Assignee: Kemira Growhow Oyj
    Inventors: Mikko Lylykangas, Harri Kiiski, Juhani Poukari, Robert John Milborne
  • AMMONIUM NITRATE GRANULE AND METHOD FOR THE PREPARATION OF THE SAME
    Publication number: 20120024025
    Abstract: The invention relates to a fertilizer granule containing ammonium nitrate, comprising a core containing ammonium nitrate and a coating layer containing calcium sulphate. The coating layer consists of a mixture containing calcium sulphate and ammonium nitrate. Such a fertilizer granule is preferably produced by contacting the core with an aqueous ammonium nitrate solution and solid calcium sulphate particles, either as a slurry or separately. The production of the fertilizer granulate is safe and easy.
    Type: Application
    Filed: October 14, 2011
    Publication date: February 2, 2012
    Inventors: Mikko LYLYKANGAS, Harri KIISKI, Juhani POUKARI, Robert John MILBORNE
  • Ammonium Nitrate Granule and Method for the Preparation of the Same
    Publication number: 20080098781
    Abstract: The invention relates to a fertilizer granule containing ammonium nitrate, comprising a core containing ammonium nitrate and a coating layer containing calcium sulphate. The coating layer consists of a mixture containing calcium sulphate and ammonium nitrate. Such a fertilizer granule is preferably produced by contacting the core with an aqueous ammonium nitrate solution and solid calcium sulphate particles, either as a slurry or separately. The production of the fertilizer granule is safe and easy.
    Type: Application
    Filed: February 24, 2006
    Publication date: May 1, 2008
    Applicant: KEMIRA GROWHOW OYI
    Inventors: Mikko Lylykangas, Harri Kiiski, Juhani Poukari, Robert Milborne