Patents by Inventor J. David Eastham

J. David Eastham 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 and apparatus for coating a controlled release product in a rotating drum
    Patent number: 9878959
    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: Grant
    Filed: September 10, 2015
    Date of Patent: January 30, 2018
    Assignee: Agrium Inc.
    Inventors: Boazhong Xing, Lawrence A. Wilms, Nick P. Wynnyk, Robert G. Ford, Nicolette M. Babiak, J. David Eastham
  • PROCESS AND APPARATUS FOR COATING A CONTROLLED RELEASE PRODUCT IN A ROTATING DRUM
    Publication number: 20150376078
    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: September 10, 2015
    Publication date: December 31, 2015
    Inventors: Boazhong Xing, Lawrence A. Wilms, Nick P. Wynnyk, Robert G. Ford, Nicolette M. Babiak, J. David Eastham
  • Process and apparatus for producing a coated product
    Patent number: 8178161
    Abstract: The present invention relates to a process for producing a coated product comprising: (a) coating a substrate with a coating material to form a coated substrate; and (b) stabilizing the coated substrate to form the coated product; wherein the operating parameter of substrate-substrate contact and coated substrate-coated substrate contact differs between step a) and step b), such that in step b) the contact is minimized. An apparatus is also provided.
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: May 15, 2012
    Assignee: Agrium Inc.
    Inventors: Baozhong Xing, J. David Eastham, Nick P. Wynnyk
  • PROCESS AND APPARATUS FOR PRODUCING A COATED PRODUCT
    Publication number: 20100233332
    Abstract: The present invention relates to a process for producing a coated product comprising: (a) coating a substrate with a coating material to form a coated substrate; and (b) stabilizing the coated substrate to form the coated product; wherein the operating parameter of substrate-substrate contact and coated substrate-coated substrate contact differs between step a) and step b), such that in step b) the contact is minimized. An apparatus is also provided.
    Type: Application
    Filed: March 22, 2010
    Publication date: September 16, 2010
    Applicant: Agrium Inc.
    Inventors: Baozhong Xing, J. David Eastham, Nick P. Wynnyk
  • 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
  • Process and apparatus for producing a coated product
    Patent number: 7682656
    Abstract: The present invention relates to a process for producing a coated product comprising: (a) coating a substrate with a coating material to form a coated substrate; and (b) stabilizing the coated substrate to form the coated product; wherein the operating parameter of substrate-substrate contact and coated substrate-coated substrate contact differs between step a) and step b), such that in step b) the contact is minimized. An apparatus is also provided.
    Type: Grant
    Filed: June 14, 2004
    Date of Patent: March 23, 2010
    Assignee: Agruim Inc.
    Inventors: Baozhong Xing, J. David Eastham, Nick P. Wynnyk
  • Controlled release fertilizer and method for production thereof
    Publication number: 20040020254
    Abstract: A controlled release fertilizer material comprising a particulate plant nutrient surrounded by a coating comprising at least one substantially homogeneous layer of a urethane-containing compound and an organic additive. With appropriate selection of the additive, the shape and duration of the release profile can be modified to suit a wide variety of applications.
    Type: Application
    Filed: August 2, 2002
    Publication date: February 5, 2004
    Applicant: Agrium
    Inventors: Nick P. Wynnyk, Eugene G. Stelmack, Nicolette M. Babiak, Leslie L. Carstens, Baozhong Xing, Albert J. Geiger, J. David Eastham
  • Controlled release fertilizer having improved mechanical handling durability and method for production thereof
    Publication number: 20040016276
    Abstract: A controlled release fertilizer material comprising a particulate plant nutrient surrounded by a protective coating comprising at least one substantially homogeneous layer of a urethane-containing compound and a filler(s). An organic additive(s) may or may not be present.
    Type: Application
    Filed: July 26, 2002
    Publication date: January 29, 2004
    Inventors: Nick P. Wynnyk, Eugene G. Stelmack, Nicolette M. Babiak, Leslie L. Carstens, J. David Eastham, Baozhong Xing