Patents by Inventor Marc-André Poirer

Marc-André Poirer 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).

  • Phosphate ester base stocks comprising mixed n-butyl/isobutyl phosphate esters and aircraft hydraulic fluids comprising the same
    Patent number: 6254799
    Abstract: Disclosed are phosphate ester base fluids and aircraft hydraulic fluids containing mixed n-butyl/isobutyl phosphate ester components. The disclosed aircraft hydraulic fluids contain from about 30 to about 95 weight percent, based on the total weight of the fluid, of n-butyl diisobutyl phosphate or di-n-butyl isobutyl phosphate or a mixture thereof; from 0 to about 15 weight percent, based on the total weight of the fluid, of one or more triaryl phosphates; and an effective amount of a viscosity index improver, an acid control additive and an erosion inhibitor.
    Type: Grant
    Filed: November 4, 1999
    Date of Patent: July 3, 2001
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Shlomo Antika, Marc-André Poirer