Patents by Inventor Mari Nagae

Mari Nagae 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).

  • Lubricant composition
    Patent number: 9637703
    Abstract: The lubricating oil composition of the invention comprises a lubricating base oil with a 100° C. kinematic viscosity of 1-20 mm2/s, (A) a friction modifier, (B) a first overbased metal salt obtained by overbasing an oil-soluble metal salt with an alkaline earth metal borate, and (C) an overbased second oil-soluble metal salt obtained by overbasing an oil-soluble metal salt with an alkaline earth metal carbonate.
    Type: Grant
    Filed: September 27, 2010
    Date of Patent: May 2, 2017
    Assignee: JX NIPPON OIL & ENERGY CORPORATION
    Inventors: Shigeki Matsui, Akira Yaguchi, Akio Mutou, Mari Nagae
  • LUBRICANT COMPOSITION
    Publication number: 20120283159
    Abstract: The lubricating oil composition of the invention comprises a lubricating base oil with a 100° C. kinematic viscosity of 1-20 mm2/s, and (A) a viscosity index improver having a ratio M1/M2 of 0.20 or greater, between the total area of the peaks between chemical shifts of 36-38 ppm M1 and the total area of the peaks between chemical shifts of 64-66 ppm M2, with respect to the total area of all of the peaks, in the spectrum obtained by 13C-NMR, (B) a friction modifier, and (C) an overbased metal salt obtained by overbasing an oil-soluble metal salt with an alkaline earth metal borate.
    Type: Application
    Filed: September 27, 2010
    Publication date: November 8, 2012
    Applicant: JX NIPPON OIL & ENERGY CORPORATION
    Inventors: Shigeki Matsui, Akira Yaguchi, Akio Mutou, Mari Nagae
  • LUBRICANT COMPOSITION
    Publication number: 20120283157
    Abstract: The lubricating oil composition of the invention comprises a lubricating base oil with a 100° C. kinematic viscosity of 1-20 mm2/s, (A) a friction modifier, (B) a first overbased metal salt obtained by overbasing an oil-soluble metal salt with an alkaline earth metal borate, and (C) an overbased second oil-soluble metal salt obtained by overbasing an oil-soluble metal salt with an alkaline earth metal carbonate.
    Type: Application
    Filed: September 27, 2010
    Publication date: November 8, 2012
    Applicant: JX NIPPON OIL & ENERGY CORPORATION
    Inventors: Shigeki Matsui, Akira Yaguchi, Akio Mutou, Mari Nagae