Patents by Inventor S. Darden Sinclair

S. Darden Sinclair 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).

  • Reformer distillate as gassing additive for transformer oils
    Patent number: 8298451
    Abstract: This invention relates to reformer distillates as gassing additives for transformer oils. The reformer distillates have a 1-ring and 2-ring aromatics content of at least 98%, and are added such that the transformer oil contains less than 10 wt % of reformer distillate. The invention also relates to a method for preparing transformer oils containing reformer distillates and having excellent gassing tendency, oxidative stability, viscosity and volatility.
    Type: Grant
    Filed: September 3, 2009
    Date of Patent: October 30, 2012
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: S. Darden Sinclair, Martin A. Krevalis, Dominick N. Mazzone, Jean-Luc Martin, Louis F. Burns
  • Reformer distillate as gassing additive for transformer oils
    Publication number: 20100059725
    Abstract: This invention relates to reformer distillates as gassing additives for transformer oils. The reformer distillates have a 1-ring and 2-ring aromatics content of at least 98%, and are added such that the transformer oil contains less than 10 wt % of reformer distillate. The invention also relates to a method for preparing transformer oils containing reformer distillates and having excellent gassing tendency, oxidative stability, viscosity and volatility.
    Type: Application
    Filed: September 3, 2009
    Publication date: March 11, 2010
    Inventors: S. Darden Sinclair, Martin A. Krevalis, Dominick N. Mazzone, Jean-Luc Martin, Louis F. Burns