Patents by Inventor Yolanda Owen

Yolanda Owen 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: 7101830
    Abstract: A gas engine lubricating oil composition having a boron content of more than 95 ppm, the gas engine lubricating oil composition comprising: a major amount of a lubricating oil having a viscosity index of 80 to 120, and including at least 90 mass percent of saturates and 0.03 mass percent or less of sulphur; and at least one metal detergent. The gas engine lubricating oil composition exhibits improved oxidation and reduced deposit formation.
    Type: Grant
    Filed: March 3, 2003
    Date of Patent: September 5, 2006
    Assignee: Infineum International Ltd.
    Inventors: Yolanda Owen, Laurent Chambard
  • Patent number: 6787509
    Abstract: A gas engine lubricating oil composition that is substantially free from dispersant. The gas engine lubricating oil composition has a TBN in the range of 3.5 to 20. The gas engine lubricating oil composition comprises an oil of lubricating viscosity and at least one metal detergent.
    Type: Grant
    Filed: September 9, 2002
    Date of Patent: September 7, 2004
    Assignee: Infineum International Ltd.
    Inventors: Laurent Chambard, Yolanda Owen
  • Patent number: 6645922
    Abstract: A lubricating oil composition suitable for a two-stroke cross-head marine diesel engine. The lubricating oil composition comprises a base oil and an oil-soluble overbased metal detergent additive in the form of a complex wherein the basic material of the detergent is stabilized by more than one surfactant.
    Type: Grant
    Filed: January 23, 2002
    Date of Patent: November 11, 2003
    Assignee: Infineum International Ltd.
    Inventors: Adrian Dunn, Laurent Chambard, Yolanda Owen
  • Publication number: 20030186821
    Abstract: A gas engine lubricating oil composition having a boron content of more than 95 ppm, the gas engine lubricating oil composition comprising: a major amount of a lubricating oil having a viscosity index of 80 to 120, and including at least 90 mass percent of saturates and 0.03 mass percent or less of sulphur; and at least one metal detergent.
    Type: Application
    Filed: March 3, 2003
    Publication date: October 2, 2003
    Inventors: Yolanda Owen, Laurent Chambard
  • Publication number: 20030069145
    Abstract: A gas engine lubricating oil composition that is substantially free from dispersant. The gas engine lubricating oil composition has a TBN in the range of 3.5 to 20. The gas engine lubricating oil composition comprises an oil of lubricating viscosity and at least one metal detergent.
    Type: Application
    Filed: September 9, 2002
    Publication date: April 10, 2003
    Inventors: Laurent Chambard, Yolanda Owen
  • Publication number: 20020155958
    Abstract: A lubricating oil composition suitable for a two-stroke cross-head marine diesel engine. The lubricating oil composition comprises a base oil and an oil-soluble overbased metal detergent additive in the form of a complex wherein the basic material of the detergent is stabilized by more than one surfactant.
    Type: Application
    Filed: January 23, 2002
    Publication date: October 24, 2002
    Inventors: Adrian Dunn, Laurent Chambard, Yolanda Owen