Patents by Inventor Dennis L. Kennedy

Dennis L. Kennedy 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).

  • Method for the benificiation of coal
    Patent number: 10307770
    Abstract: The present invention relates to the beneficiation of coal by the process of froth flotation and specifically relates to a process for the froth flotation of coal using a mixture of fatty acids and rosin acids (and/or certain derivatives of fatty acids and rosin acids) as a collector.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: June 4, 2019
    Assignee: INGEVITY SOUTH CAROLINA, LLC
    Inventors: John B. Hines, Dennis L. Kennedy, Phillip W. Hurd
  • METHOD FOR THE BENIFICIATION OF COAL
    Publication number: 20150108043
    Abstract: The present invention relates to the beneficiation of coal by the process of froth flotation and specifically relates to a process for the froth flotation of coal using a mixture of fatty acids and rosin acids (and/or certain derivatives of fatty acids and rosin acids) as a collector.
    Type: Application
    Filed: December 30, 2014
    Publication date: April 23, 2015
    Applicant: GEORGIA-PACIFIC CHEMICALS LLC
    Inventors: John B. Hines, Dennis L. Kennedy, Phillip W. Hurd
  • Method for inhibiting ice formation and accumulation
    Patent number: 8226848
    Abstract: The present invention relates to a method for inhibiting the formation or accumulation of ice on a solid surface and for reducing the salt out temperatures.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: July 24, 2012
    Assignee: Georgia-Pacific Chemicals LLC
    Inventors: Pablo G. Dopico, Kurt D. Gabrielson, John B. Hines, Brian L. Swift, Dennis L. Kennedy
  • Method for Inhibiting Ice Formation and Accumulation
    Publication number: 20120006222
    Abstract: The present invention relates to a method for inhibiting the formation or accumulation of ice on a solid surface and for reducing the salt out temperatures.
    Type: Application
    Filed: September 22, 2011
    Publication date: January 12, 2012
    Applicant: GEORGIA-PACIFIC CHEMICALS LLC
    Inventors: Pablo G. Dopico, Kurt D. Gabrielson, John B. Hines, Brian L. Swift, Dennis L. Kennedy
  • Method for inhibiting ice formation and accumulation
    Patent number: 8048332
    Abstract: The present invention relates to a method for inhibiting the formation or accumulation of ice on a solid surface and for reducing the salt out temperatures.
    Type: Grant
    Filed: November 10, 2009
    Date of Patent: November 1, 2011
    Assignee: Georgia-Pacific Chemicals LLC
    Inventors: Pablo G. Dopico, Kurt D. Gabrielson, John B. Hines, Brian L. Swift, Dennis L. Kennedy