Patents by Inventor Nick Peter Wynnyk

Nick Peter Wynnyk 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).

  • Cross-linked modified waxes for controlled release fertilizers
    Patent number: 8888887
    Abstract: A controlled release fertilizer material comprising a particulate plant nutrient surrounded by a coating of a mixture including an isocyanate and a polyol, and further comprising a modified wax that may include a polyhydroxyl compound in which the wax and/or the polyhydroxyl compound are cross-linked with a sulfur or oxygen or a peroxide cross-linking moiety. In certain embodiments, the wax and polyhydroxyl compound are cross-linked at unsaturated sites in the wax or polyhydroxyl compound using heat, UV or ionizing radiation.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: November 18, 2014
    Assignee: Agrium Advanced Technologies (U.S.) Inc.
    Inventors: Garrard Lee Hargrove, Sriramakrishna Maruvada, Robert Scott Wilson, Nick Peter Wynnyk, Baozhong Xing
  • Cross-linked polyols for controlled release fertilizers
    Patent number: 8795406
    Abstract: A controlled release fertilizer material comprising a particulate plant nutrient surrounded by a coating including a mixture of a cross-linked polyol and an isocyanate, and optionally a wax, is described. In some embodiments, the cross-linked polyol can be cross-linked with sulfur, oxygen, and/or a peroxide cross-linking moiety. In one embodiment the cross-linked polyol is castor oil cross-linked with sulfur.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: August 5, 2014
    Assignee: Agrium Advanced Technologies (U.S.) Inc.
    Inventors: Srirakrishna Maruvada, Nick Peter Wynnyk, Baozhong Xing
  • CROSS-LINKED MODIFIED WAXES FOR CONTROLLED RELEASE FERTILIZERS
    Publication number: 20120111075
    Abstract: A controlled release fertilizer material comprising a particulate plant nutrient surrounded by, a coating of a mixture including an isocyanate and a polyol, and further comprising a modified wax that may include a polyhydroxyt compound in which the wax and/or the polyhydroxyl compound are cross-linked with a sulfur or oxygen or a peroxide cross-linking moiety. In certain embodiments, the wax and polyhydroxyl compound are cross-linked at unsaturated sites in the wax or polyhydroxyl compound using heat, UV or ionizing radiation.
    Type: Application
    Filed: November 8, 2011
    Publication date: May 10, 2012
    Applicant: Agrium Advanced Technologies
    Inventors: GARRARD LEE HARGROVE, Sriramakrishna Maruvada, Robert Scott Wilson, Nick Peter Wynnyk, Baozhong Xing
  • CROSS-LINKED POLYOLS FOR CONTROLLED RELEASE FERTILIZERS
    Publication number: 20120111077
    Abstract: A controlled release fertilizer material comprising a particulate plant nutrient surrounded by a coating including a mixture of a cross-linked polyol and an isocyanate, and optionally a wax, is described. In some embodiments, the cross-linked polyol can be cross-linked with sulfur, oxygen, and/or a peroxide cross-linking moiety. In one embodiment the cross-linked polyol is castor oil cross-linked with sulfur.
    Type: Application
    Filed: November 8, 2011
    Publication date: May 10, 2012
    Applicant: Agrium Advanced Technologies
    Inventors: Srirakrishna Maruvada, Nick Peter Wynnyk, Baozhong Xing
  • PROCESS AND APPARATUS FOR COATING A CONTROLLED RELEASE PRODUCT IN A ROTATING DRUM
    Publication number: 20100186470
    Abstract: The present invention is directed to a process for coating a substrate in a rotating drum, wherein a pocket is created in a substrate bed into which pocket coating materials are delivered. Also provided is a controlled release product produced according to this process, and an apparatus for carrying out the process.
    Type: Application
    Filed: April 8, 2010
    Publication date: July 29, 2010
    Applicant: Agrium, Inc.
    Inventors: Boazhong Xing, Lawrence Arthur Wilms, Nick Peter Wynnyk, Robert Glen Ford, Nicolette Mary Babiak, J. David Eastham