Patents by Inventor Andrew George KELLS

Andrew George KELLS 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: 11912634
    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. The granule can contain 33 wt. % to 40 wt. % elemental nitrogen, 2 wt. % to 5 wt. % elemental calcium, and 2 wt. % to 5 wt. % elemental sulfur.
    Type: Grant
    Filed: May 11, 2022
    Date of Patent: February 27, 2024
    Assignee: SABIC Global Technologies B.V.
    Inventors: Andrew George Kells, Mohamed Akasha M. Khaleel
  • UREA CALCIUM SULFATE COATED UREA FERTILIZER AND BLENDS THEREOF
    Publication number: 20240051887
    Abstract: Disclosed is a fertilizer granule containing a core containing at least 90 wt. % of urea, and a shell containing a urea calcium sulfate (UCS) adduct, where the shell covers at least a portion of an outer surface of the core, and blends of the fertilizer granules with other fertilizers. Methods of making and using the fertilizer granule and the blends are also disclosed.
    Type: Application
    Filed: December 13, 2021
    Publication date: February 15, 2024
    Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Yogesh Omprakash SHARMA, Nilkamal BAG, Andrew George KELLS
  • CALCIUM SULFATE UREA GRANULES AND METHODS FOR PRODUCING AND USING THE SAME
    Publication number: 20240018066
    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: September 22, 2023
    Publication date: January 18, 2024
    Applicant: SABIC Global Technologies B.V.
    Inventors: Harri Tapio KIISKI, Andrew George KELLS, Mohamed Akasha M. KHALEEL, Nilkamal BAG
  • Calcium sulfate urea granules and methods for producing and using the same
    Patent number: 11802096
    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: February 17, 2022
    Date of Patent: October 31, 2023
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Harri Tapio Kiiski, Andrew George Kells, Mohamed Akasha M. Khaleel, Nilkamal Bag
  • ACIDIFIED FERTILIZER GRANULES
    Publication number: 20230271895
    Abstract: Methods for producing solid acidic fertilizer granules, solid acidic fertilizer granules, and methods for their use in fertigation, are disclosed. The method can include providing a plant nutrient containing nitrogen (N), phosphorus (P) and optionally potassium (K), in a container; feeding an acid solution containing an inorganic acid into the container at a feeding rate comprising an average feed rate of 0.2 to 0.8 metric ton of the inorganic acid (MTacid) per hour per metric ton of the plant nutrient (MTnutrient) (MT acid.h?1.MT nutrient?1) and contacting the inorganic acid and the plant nutrient to obtain acidified granules with average moisture content of 0.5 wt. % to 1.0 wt. %; and drying the acidified granules to obtained dried acidic granules.
    Type: Application
    Filed: July 13, 2021
    Publication date: August 31, 2023
    Applicant: SABIC Global Technologies B.V.
    Inventors: Mohamed Akasha KHALEEL, Andrew George KELLS, Hatim AL DEKHIEL, Nilkamal BAG, Saleh Nafe ALSHAMMARI
  • METHODS FOR PRODUCING UREA CALCIUM SULFATE FROM MOIST PHOSPHOGYPSUM
    Publication number: 20230227376
    Abstract: Method for producing a urea calcium sulfate (UCS) adduct is disclosed. The method for producing the UCS adduct, includes contacting urea with a moist phosphogypsum containing 10 wt. % to 30 wt. % of moisture, under conditions sufficient to form a slurry comprising formed UCS adduct.
    Type: Application
    Filed: June 29, 2021
    Publication date: July 20, 2023
    Applicant: SABIC Global Technologies B.V.
    Inventors: Andrew George KELLS, Nilkamal BAG, Saleh AL-SHAMMARI, Rajamalleswaramma KORIPELLY
  • STABILIZED UREA CALCIUM SULPHATE ADDUCT COATED WITH A BASE AN UREASE INHIBITOR
    Publication number: 20230227379
    Abstract: A fertilizer granule containing a core containing, phosphoric acid and an urea adduct containing urea and calcium sulfate, and a coat containing an urease inhibitor and a base, the coat forming a coating on an outer surface of the core. Methods of making and using the fertilizer granule are also disclosed.
    Type: Application
    Filed: June 29, 2021
    Publication date: July 20, 2023
    Applicant: SABIC Global Technologies B.V.
    Inventors: Rajamalleswaramma KORIPELLY, Andrew George KELLS, Nilkamal BAG, Samik GUPTA
  • UREA CALCIUM SULFATE GRANULES AND METHODS FOR PRODUCING AND USING THE SAME
    Publication number: 20220402832
    Abstract: A urea calcium sulfate (UCS) fertilizer granule and methods for making and using the same are disclosed. The granule can include a urea-calcium sulfate (UCS) adduct. The method of making can include producing a partially dried material comprising UCS adduct and forming the UCS fertilizer granules by either one or both of feeding the partially dried material into a separate vessel for granulation or granulating after storage of the partially dried material.
    Type: Application
    Filed: August 27, 2020
    Publication date: December 22, 2022
    Applicant: SABIC Global Technologies B.V.
    Inventors: Andrew George KELLS, Nilkamal BAG, Saleh Nafe AL-SHAMMARI
  • CALCIUM SULFATE UREA GRANULES AND METHODS FOR PRODUCING AND USING THE SAME
    Publication number: 20220267230
    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. The granule can contain 33 wt. % to 40 wt. % elemental nitrogen, 2 wt. % to 5 wt. % elemental calcium, and 2 wt. % to 5 wt. % elemental sulfur.
    Type: Application
    Filed: May 11, 2022
    Publication date: August 25, 2022
    Applicant: SABIC Global Technologies B.V.
    Inventors: Andrew George KELLS, Mohamed Akasha M. KHALEEL
  • UREA PHOSPHATE CALCIUM SULFATE GRANULES AND METHODS FOR PRODUCING AND USING THE SAME
    Publication number: 20220259116
    Abstract: A urea phosphate calcium sulfate (UPCS) fertilizer granule and methods for making and using the same are disclosed. The granule can include urea phosphate and a urea-calcium sulfate (UCS) adduct. The granule can include 22 wt. % to 28 wt. % nitrogen (22 wt. % to 28 wt. % N), an amount of phosphorus equal to that provided by 5 wt. % to 10 wt. % P2O5 (5 wt. % to 10 wt. % P), 2 wt. % to 8 wt. % sulfur (2 wt. % to 8 wt. % S), and 5 wt. % to 11 wt. % calcium (5 wt. % to 11 wt. % Ca).
    Type: Application
    Filed: July 6, 2020
    Publication date: August 18, 2022
    Applicant: SABIC Global Technologies B.V.
    Inventors: Nilkamal BAG, Yogesh Omprakash SHARMA, Khalid AL-ROHILY, Andrew George KELLS
  • Calcium sulfate urea granules and methods for producing and using the same
    Patent number: 11352306
    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. The granule can contain 33 wt. % to 40 wt. % elemental nitrogen, 2 wt. % to 5 wt. % elemental calcium, and 2 wt. % to 5 wt. % elemental sulfur.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: June 7, 2022
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Andrew George Kells, Mohamed Akasha M. Khaleel
  • CALCIUM SULFATE UREA GRANULES AND METHODS FOR PRODUCING AND USING THE SAME
    Publication number: 20220169579
    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: February 17, 2022
    Publication date: June 2, 2022
    Applicant: SABIC Global Technologies B.V.
    Inventors: Harri Tapio KIISKI, Andrew George KELLS, Mohamed Akasha M. KHALEEL, Nilkamal BAG
  • FERTILIZERS CONTAINING CALCIUM SULFATE UREA AND METHODS FOR PRODUCING AND USING THE SAME
    Publication number: 20220119320
    Abstract: A fertilizer composition containing a calcium sulfate urea (UCS) fertilizer and a urea free nitrogenous fertilizer and methods for making and using the same are disclosed. The calcium sulfate urea can be a calcium sulfate urea adduct. The urea free nitrogenous fertilizer can include one or more of ammonium sulfate urea and ammonium nitrate.
    Type: Application
    Filed: December 5, 2019
    Publication date: April 21, 2022
    Applicant: SABIC Global Technologies B.V.
    Inventors: Mohamed Akasha M. KHALEEL, Andrew George KELLS, Saleh Nafe AL SHAMMARI
  • 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: 20200207673
    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. The granule can contain 33 wt. % to 40 wt. % elemental nitrogen, 2 wt. % to 5 wt. % elemental calcium, and 2 wt. % to 5 wt. % elemental sulfur.
    Type: Application
    Filed: July 19, 2018
    Publication date: July 2, 2020
    Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Andrew George KELLS, Mohamed Akasha M. KHALEEL
  • 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