Patents by Inventor Kristine Durbin

Kristine Durbin 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).

  • Patent number: 10329511
    Abstract: The invention relates to lubricant additive compositions and lubricant compositions each comprising thiophosphates and thiophosphate derivatives, methods for making and using the same, including methods of lubricating machines and machine parts and methods of extending the useful life of elastomeric seal components of such machines.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: June 25, 2019
    Assignee: Afton Chemical Corporation
    Inventors: David Edwards, Kristine Durbin, Robert E. McCovick
  • Publication number: 20180119046
    Abstract: The invention relates to lubricant additive compositions and lubricant compositions each comprising thiophosphates and thiophosphate derivatives, methods for making and using the same, including methods of lubricating machines and machine parts and methods of extending the useful life of elastomeric seal components of such machines.
    Type: Application
    Filed: October 31, 2016
    Publication date: May 3, 2018
    Inventors: David EDWARDS, Kristine DURBIN, Robert E. McCovick
  • Patent number: 9885003
    Abstract: The invention relates to thiophosphates and derivatives thereof useful as antiwear additive components, lubricant additive compositions and lubricant compositions each comprising such compounds, methods for making and using the same, including methods of lubricating machines and machine parts and methods of extending the useful life of elastomeric seal components of such machines.
    Type: Grant
    Filed: October 10, 2016
    Date of Patent: February 6, 2018
    Assignee: Afton Chemical Corporation
    Inventors: David Edwards, Kristine Durbin, Robert E. McCovick
  • Publication number: 20170051229
    Abstract: The invention relates to thiophosphates and derivatives thereof useful as antiwear additive components, lubricant additive compositions and lubricant compositions each comprising such compounds, methods for making and using the same, including methods of lubricating machines and machine parts and methods of extending the useful life of elastomeric seal components of such machines.
    Type: Application
    Filed: October 10, 2016
    Publication date: February 23, 2017
    Inventors: David EDWARDS, Kristine DURBIN, Robert E. McCovick
  • Patent number: 9518242
    Abstract: The invention relates to thiophosphates and derivatives thereof useful as antiwear additive components, lubricant additive compositions and lubricant compositions each comprising such compounds, methods for making and using the same, including methods of lubricating machines and machine parts and methods of extending the useful life of elastomeric seal components of such machines. In one aspect, the invention relates to a lubricant additive composition comprising a compound of formula (I): or a tribologically acceptable salt thereof, and a sulfonate or a phenate detergent.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: December 13, 2016
    Assignee: Afton Chemical Corporation
    Inventors: David Edwards, Kristine Durbin, Robert E. McCovick
  • Patent number: 9481696
    Abstract: The present invention provides thiophosphates and thiophosphate derivatives useful as antiwear additive components, lubricant additive compositions and lubricant compositions each comprising such compounds, and methods for making and using the same. In one aspect, the invention relates to a compound of formula (I): or a tribologically acceptable salt thereof.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: November 1, 2016
    Assignee: Afton Chemical Corporation
    Inventors: David Edwards, Kristine Durbin, Robert E. McCovick