Patents by Inventor Charla A. Ramsey

Charla A. Ramsey 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).

  • Polymeric Phosphorus Esters for Lubricant Applications
    Publication number: 20150291908
    Abstract: A lubricant composition of an oil of lubricating viscosity and a polymeric phosphorus ester comprising the condensation product of a monomeric phosphorus acid or an ester thereof with a diol having two hydroxy groups separated by a chain of 4 to about 100 atoms exhibits good volatility, corrosion, wear, and/or seal performance in lubrication of a transmission.
    Type: Application
    Filed: June 25, 2015
    Publication date: October 15, 2015
    Inventors: Craig D. Tipton, Charla A. Ramsey, Daniel J. Knapton, Paul E. Adams
  • Polymeric phosphorus esters for lubricant applications
    Patent number: 9074157
    Abstract: A lubricant composition of an oil of lubricating viscosity and a polymeric phosphorus ester comprising the condensation product of a monomeric phosphorus acid or an ester thereof with a diol having two hydroxy groups separated by a chain of 4 to about 100 atoms exhibits good volatility, corrosion, wear, and/or seal performance in lubrication of a transmission.
    Type: Grant
    Filed: April 21, 2010
    Date of Patent: July 7, 2015
    Assignee: The Lubrizol Corporation
    Inventors: Craig D. Tipton, Charla A. Ramsey, Daniel J. Knapton, Paul E. Adams
  • Polymeric Phosphorus Esters for Lubricant Applications
    Publication number: 20130079264
    Abstract: A lubricant composition of an oil of lubricating viscosity and a polymeric phosphorus ester comprising the condensation product of a monomeric phosphorus acid or an ester thereof with a diol having two hydroxy groups separated by a chain of 4 to about 100 atoms exhibits good volatility, corrosion, wear, and/or seal performance in lubrication of a transmission.
    Type: Application
    Filed: April 21, 2010
    Publication date: March 28, 2013
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Craig D. Tipton, Charla A. Ramsey, Daniel J. Knapton, Paul E. Adams
  • Antiwear angent and lubricating compositions thereof
    Patent number: 8361941
    Abstract: The present invention relates to an antiwear agent and lubricating compositions thereof. The invention further provides for a method of lubricating a driveline device or a grease application by employing a lubricating composition containing the antiwear agent.
    Type: Grant
    Filed: June 6, 2011
    Date of Patent: January 29, 2013
    Assignee: The Lubrizol Corporation
    Inventor: Charla A. Ramsey
  • Antiwear Containing Lubricating Composition
    Publication number: 20120142565
    Abstract: The present invention relates to a lubricating composition containing a sulphur-free metal salt of a hydrocarbyl-substituted phosphorus compound and an organo-sulphide. The composition has a sulphur content of greater than 0.3 weight percent of sulphur. The invention further provides for a method of lubricating a driveline device by using a lubricating composition.
    Type: Application
    Filed: February 9, 2012
    Publication date: June 7, 2012
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: James N. Vinci, Michael E. Huston, Denise R. Vermilya, Charla A. Ramsey, Roger L. Sowerby
  • Antiwear Angent and Lubricating Compositions Thereof
    Publication number: 20110237472
    Abstract: The present invention relates to an antiwear agent and lubricating compositions thereof. The invention further provides for a method of lubricating a driveline device or a grease application by employing a lubricating composition containing the antiwear agent.
    Type: Application
    Filed: June 6, 2011
    Publication date: September 29, 2011
    Applicant: THE LUBRIZOL CORPORATION
    Inventor: Charla A. Ramsey
  • Antiwear Containing Lubricating Composition
    Publication number: 20110172134
    Abstract: The present invention relates to a lubricating composition containing a sulphur-free metal salt of a hydrocarbyl-substituted phosphorus compound and an organo-sulphide. The composition has a sulphur content of greater than 0.3 weight percent of sulphur. The invention further provides for a method of lubricating a driveline device by using a lubricating composition.
    Type: Application
    Filed: March 22, 2011
    Publication date: July 14, 2011
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: James N. Vinci, Michael E. Huston, Denise R. Vermilya, Charla A. Ramsey, Roger L. Sowerby
  • Antiwear Agent and Lubricating Compositions Thereof
    Publication number: 20100016188
    Abstract: The present invention relates to an antiwear agent and lubricating compositions thereof. The invention further provides for a method of lubricating a driveline device or a grease application by employing a lubricating composition containing the antiwear agent.
    Type: Application
    Filed: September 25, 2009
    Publication date: January 21, 2010
    Applicant: The Lubrizol Corporation
    Inventor: Charla A. Ramsey
  • Antiwear Agent and Lubricating Compositions Thereof
    Publication number: 20080182770
    Abstract: The present invention relates to an antiwear agent and lubricating compositions thereof. The invention further provides for a method of lubricating a driveline device or a grease application by employing a lubricating composition containing the antiwear agent.
    Type: Application
    Filed: January 26, 2007
    Publication date: July 31, 2008
    Applicant: The Lubrizol Corporation
    Inventor: Charla A. Ramsey
  • Antiwear Containing Lubricating Composition
    Publication number: 20080103072
    Abstract: The present invention relates to a lubricating composition containing a sulphur-free metal salt of a hydrocarbyl-substituted phosphorus compound and an organo-sulphide. The composition has a sulphur content of greater than 0.3 weight percent of sulphur. The invention further provides for a method of lubricating a driveline device by using a lubricating composition.
    Type: Application
    Filed: November 1, 2006
    Publication date: May 1, 2008
    Applicant: The Lubrizol Corporation
    Inventors: James N. Vinci, Michael E. Huston, Denise R. Vermilya, Charla A. Ramsey, Roger L. Sowerby