Patents Assigned to Chevron Oronite Company LLS
  • Process for preparing a salt of a sulfurized alkyl-substituted hydroxyaromatic composition
    Patent number: 8772209
    Abstract: Disclosed herein is a process for preparing a salt of a sulfurized alkyl-substituted hydroxyaromatic composition having a reduced content of unsulfurized alkyl-substituted hydroxyaromatic compound and its unsulfurized metal salt.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: July 8, 2014
    Assignee: Chevron Oronite Company LLS
    Inventors: Cedrick Mahieux, Richard Dutta, Curtis Campbell
  • Method of improving the frictional properties of functional fluids
    Patent number: 7012045
    Abstract: A method of improving the brake and clutch capacity of a functional fluid comprising adding a friction-modifying amount of a polyalkenyl sulfonate to the functional fluid, wherein the polyalkenyl sulfonate is an alkali metal or alkaline earth metal salt of a polyalkene sulfonic acid derived from a mixture of polyalkenes comprising greater than about 20 mole percent alkyl vinylidene and 1,1-dialkyl isomers.
    Type: Grant
    Filed: May 4, 2004
    Date of Patent: March 14, 2006
    Assignee: Chevron Oronite Company LLS
    Inventors: Edward I. Aoyagi, Paul F. Vartanian