Patents by Inventor Darden Steve Sinclair

Darden Steve 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).

  • AROMATIC AND POLAR COMPOUNDS REMOVAL IN LUBE FEEDSTOCKS BY COUNTER CURRENT LIQUID-LIQUID EXTRACTION USING DIHYDROLEVOGLUCOSENONE AS A SOLVENT
    Publication number: 20260258308
    Abstract: A method may include: introducing a stream comprising a vacuum gas oil into a liquid-liquid extraction unit; contacting the vacuum gas oil with a dihydrolevoglucosenone solvent to extract a portion of aromatic compounds from the vacuum gas oil to produce a raffinate stream with reduced aromatic compound concentration; and dewaxing the raffinate stream to form a base stock.
    Type: Application
    Filed: February 20, 2024
    Publication date: September 3, 2026
    Applicant: ExxonMobil Technology and Engineering Company
    Inventors: Toufic Aridi, Darden Steve Sinclair, Gaither M. Phillips, Christopher J. Wheeler