Patents by Inventor David J. Aaserud

David J. Aaserud 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: 12012565
    Abstract: A composition comprising at least one fuel that is a diesel fuel, a biodiesel fuel, or combinations thereof and less than 100 ppm, less than 50 ppm (or less than 25 ppm, less than 10 ppm, 1 to 7 ppm, or 5 to 7 ppm) of an alkylene-coupled C10 to C60 (or C10 to C40, C14 to C32 or C24 to C28) alkylphenol; 25 to 500 ppm (or 50 to 500 ppm, or 150 to 450 ppm or 250 to 450 ppm, or 250 to 400 ppm) of a terpolymer; and 5 to 90 ppm, (or 10 to 70 ppm, to 60 ppm, or 10 to 55 ppm) of hydrocarbyl-substituted amine detergent having at least one tertiary amino group.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: June 18, 2024
    Assignee: The Lubrizol Corporation
    Inventors: Jody A. Kocsis, Scott Capitosti, Thomas S. Corrigan, David J. Aaserud, Gregory Mathes, Anthony R. Frank, Elizabeth A. Schiferl, James C. Ray
  • Publication number: 20220389341
    Abstract: A composition comprising at least one fuel that is a diesel fuel, a biodiesel fuel, or combinations thereof and less than 100 ppm, less than 50 ppm (or less than 25 ppm, less than 10 ppm, 1 to 7 ppm, or 5 to 7 ppm) of an alkylene-coupled C10 to C60 (or C10 to C40, C14 to C32 or C24 to C28) alkylphenol; 25 to 500 ppm (or 50 to 500 ppm, or 150 to 450 ppm or 250 to 450 ppm, or 250 to 400 ppm) of a terpolymer; and 5 to 90 ppm, (or 10 to 70 ppm, to 60 ppm, or 10 to 55 ppm) of hydrocarbyl-substituted amine detergent having at least one tertiary amino group.
    Type: Application
    Filed: October 1, 2020
    Publication date: December 8, 2022
    Inventors: Jody A. Kocsis, Scott Capitosti, Thomas S. Corrigan, David J. Aaserud, Gregory Mathes, Anthony R. Frank, Elizabeth A. Schiferl, James C. Ray
  • Patent number: 9382275
    Abstract: A process is provided for preparing a salt of a hydroxy-substituted di-ester of phosphoric acid, comprising: (a) reacting a phosphating agent with a monohydric alcohol and with an alkylene polyol, wherein the mole ratio of monohydric alcohol:alkylene polyol is about 0.2:0.8 to about 0.8:0.2 and wherein an excess of the phosphating agent is employed such that the product mixture formed thereby contains phosphorus acid functionality; and (b) reacting the product mixture of step (a) with an amine. The product is useful as an antiwear agent.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: July 5, 2016
    Assignee: The Lubrizol Corporation
    Inventors: Daniel J. Knapton, William R. S. Barton, David J. Aaserud
  • Publication number: 20150307527
    Abstract: A process is provided for preparing a salt of a hydroxy-substituted di-ester of phosphoric acid, comprising: (a) reacting a phosphating agent with a monohydric alcohol and with an alkylene polyol, wherein the mole ratio of monohydric alcohol:alkylene polyol is about 0.2:0.8 to about 0.8:0.2 and wherein an excess of the phosphating agent is employed such that the product mixture formed thereby contains phosphorus acid functionality; and (b) reacting the product mixture of step (a) with an amine. The product is useful as an antiwear agent.
    Type: Application
    Filed: August 24, 2011
    Publication date: October 29, 2015
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Daniel J. Knapton, William R.S. Barton, David J. Aaserud
  • Patent number: 7381691
    Abstract: A fluid composition of (a) a friction modifier derived from the reaction of a carboxylic acid or a reactive equivalent thereof with an aminoalcohol, the friction modifier containing at least two hydrocarbyl groups; and (b) a dispersant other than a species of (a), provides good friction properties to an automatic transmission.
    Type: Grant
    Filed: July 11, 2003
    Date of Patent: June 3, 2008
    Assignee: The Lubrizol Corporation
    Inventors: Paul E. Adams, Craig D. Tipton, Shreyasi Lahiri, James H. Bush, James C. Ray, David J. Aaserud