Patents by Inventor Daniel Dawson Lowrey

Daniel Dawson Lowrey 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).

  • Leaded aviation gasoline
    Patent number: 7862629
    Abstract: Aviation gasolines having an enhanced peak indicated mean effective pressure are provided by admixing with a leaded base aviation gasoline an aromatic amine of the formula NH2—Ar—(R1)n wherein R1 is selected from C1-C10 alkyl, halogen, and mixtures thereof provided that when R1 is alkyl it occupies the meta- or para-positions on the aromatic ring, Ar is a phenyl aromatic group and n is an integer from 0 to 3 to provide an aviation gasoline having a peak indicated mean effective pressure as determined by ASTM D-909 of greater than about 200 psi.
    Type: Grant
    Filed: April 12, 2005
    Date of Patent: January 4, 2011
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Roger Grant Gaughan, William S. Blazowski, Daniel Dawson Lowrey, Thomas Mack Bell
  • Unleaded aminated aviation gasoline exhibiting control of toluene insoluble deposits
    Patent number: 7740668
    Abstract: The present invention relates to an unleaded aminated aviation gasoline of high motor octane number (MON) and low toluene insoluble deposit formation containing an additive for controlling said deposits selected from the group consisting of high molecular weight hydrocarbyl amines, high molecular weight hydrocarbyl succinimide, high molecular weight hydrocarbyl substituted Mannish bases, and mixtures thereof, and optional carrier oil(s), to an additive concentrate for controlling toluene insoluble deposits, and to a method for producing the additive concentrate.
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: June 22, 2010
    Assignee: ExxonMobil Research & Engineering Company
    Inventors: Roger Grant Gaughan, Daniel Dawson Lowrey, Daniel Eugene Kadlecek, Dennis Harold Hoskin
  • Method for reducing the freezing point of aminated aviation gasoline by the use of tertiaryamylphenylamine
    Patent number: 7611551
    Abstract: A method is disclosed for reducing the freezing point of unleaded aminated aviation gasoline to ?58° C. or lower by the addition of tert-amylphenylamine.
    Type: Grant
    Filed: August 26, 2005
    Date of Patent: November 3, 2009
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Roger Grant Gaughan, Daniel Dawson Lowrey