Patents Represented by Attorney Josetta I. Jones
  • Patent number: 8299289
    Abstract: The present invention is directed to an isomerized alpha olefin sulfonate and a method of making the same wherein the isomerized alpha olefin sulfonate is derived from sulfonating an isomerized alpha olefin with sulfur trioxide in the presence of air thereby producing an isomerized alpha olefin sulfonic acid, wherein the isomerized alpha olefin is derived from the isomerization of C12-C40 normal alpha olefins; and neutralizing the isomerized alpha olefin sulfonic acid with a source of a mono-valent cation.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: October 30, 2012
    Assignee: Chevron Oronite Company LLC
    Inventors: Curtis Bay Campbell, Theresa Ann Denslow
  • Patent number: 8293688
    Abstract: The present invention is directed to an enhanced oil recovery composition comprising (a) a surfactant comprising an alkylated hydroxyaromatic sulfonate having the general formula: wherein R1 is an alkyl group containing from about 8 to 40 carbon atoms and having from about 20% to about 50% methyl branching, and M is a mono-valent cation; (b) a solvent; (c) a passivator; and (d) a polymer.
    Type: Grant
    Filed: August 19, 2010
    Date of Patent: October 23, 2012
    Assignee: Chevron Oronite Company LLC
    Inventors: Curtis Bay Campbell, Yat Fan Suen
  • Patent number: 8283491
    Abstract: The present invention is directed to an isomerized alpha olefin sulfonate and a method of making the same wherein the isomerized alpha olefin sulfonate is derived from sulfonating an isomerized alpha olefin with sulfur trioxide in the presence of air thereby producing an isomerized alpha olefin sulfonic acid, wherein the isomerized alpha olefin is derived from the isomerization of C12-C40 normal alpha olefins; and neutralizing the isomerized alpha olefin sulfonic acid with a source of a mono-valent cation.
    Type: Grant
    Filed: October 23, 2008
    Date of Patent: October 9, 2012
    Assignee: Chevron Oronite Company LLC
    Inventors: Curtis Bay Campbell, Theresa Ann Denslow
  • Patent number: 8207380
    Abstract: An alkylated hydroxyaromatic compound prepared by reacting at least one hydroxyaromatic compound with a branched olefinic oligomer having from about 20 to about 80 carbon atoms in the presence of a acid catalyst. The alkylated hydroxyaromatic compound has been determined to be substantially free of endocrine disruptive chemicals when the effects were quantified on pubertal development and thyroid function in the intact juvenile female rat.
    Type: Grant
    Filed: April 27, 2007
    Date of Patent: June 26, 2012
    Assignee: Chevron Oronite LLC
    Inventors: Curt B. Campbell, James J. Harrison
  • Patent number: 8163678
    Abstract: The present invention is directed to an enhanced oil recovery formulation which comprises: (a) an alkylaromatic sulfonate; (b) an isomerized olefin sulfonate (c) a solvent; (d) a passivator; and (e) a polymer.
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: April 24, 2012
    Assignees: Chevron U.S.A. Inc., Chevron Oronite Company, LLC
    Inventors: Curtis B. Campbell, Theresa A. Denslow, Gabriel Prukop, Varadarajan Dwarakanath, Adam C. Jackson, Taimur Malik, Tanmay Chaturvedi
  • Patent number: 8148591
    Abstract: A process for alkylating an aromatic compound comprising reacting at least one aromatic compound with a mixture of olefins having from about 8 to about 100 carbon atoms, in the presence of a strong acid catalyst wherein the resulting product comprises at least about 60 weight percent of a 1,2,4 tri-alkylsubstituted aromatic compound.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: April 3, 2012
    Assignees: Chevron Oronite Company LLC, Chevron Oronite S.A.
    Inventors: Gilles P. Sinquin, Curt B. Campbell
  • Patent number: 8076272
    Abstract: A process for preparing an alkylaryl sulfonate comprising (a) reacting at least one meta-xylene compound with olefin or a mixture of olefins having from about 10 to about 20 carbon atoms, in the presence of an acid catalyst, wherein the resulting product comprises no more than 40 weight percent of 1-alkyl-2,4 dimethylsubstituted aromatic compound and at least about 60 weight percent of 1-alkyl-3,5 dimethyl substituted aromatic compound; (b) sulfonating the product of (a); and (c) neutralizing the product of (b) with a source of alkali or alkaline earth metal or ammonia.
    Type: Grant
    Filed: November 19, 2009
    Date of Patent: December 13, 2011
    Assignee: Chevron Oronite Company LLC
    Inventors: Andrew J. Howes, Curtis Bay Campbell, Sophany Thach
  • Patent number: 8076275
    Abstract: Antioxidant additives for lubricating oils are prepared by reacting an acidic molybdenum compound or salt thereof and a basic nitrogen compound where the temperature of the process does not exceed 120° C., resulting in a product color that is light in intensity.
    Type: Grant
    Filed: March 17, 2005
    Date of Patent: December 13, 2011
    Assignee: Chevron Oronite Company LLC
    Inventors: William R. Ruhe, Jr., Anatoli Onopchenko
  • Patent number: 8067347
    Abstract: An oil-soluble lubricating oil additive composition prepared by the process which comprises reacting a copolymer, with at least one ether compound, with at least one aliphatic compound, and with at least one aromatic compound.
    Type: Grant
    Filed: October 27, 2006
    Date of Patent: November 29, 2011
    Assignee: Chevron Oronite Company LLC
    Inventors: William R. Ruhe, Jr., Casey D. Stokes
  • Patent number: 7981846
    Abstract: A lubricating oil composition comprising a major amount of an oil of lubricating viscosity, an alkaline earth metal borated sulfonate detergent, and, optionally, a molybdenum-containing compound, wherein the lubricating oil composition comprises no more than 0.12 wt % phosphorus and the amount of sulfated ash in the lubricating oil is not more than 1.25 wt %.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: July 19, 2011
    Assignee: Chevron Oronite Company LLC
    Inventors: Alexander B. Boffa, Ralph Eric Olsen, Willem Van Dam
  • Patent number: 7964745
    Abstract: A synthetic petroleum sulfonate prepared by a process comprising (a) reacting a first amount of at least one aromatic compound with a first amount of a mixture of olefins having from about 8 to about 100 carbon atoms, in the presence of a strong acid catalyst; (b) reacting the product of (a) with an additional amount of at least one aromatic compound and an additional amount of strong acid catalyst and, optionally, with an additional amount of a mixture of olefins selected from olefins having from about 8 to about 100 carbon atoms, in the presence of a strong acid catalyst, wherein the resulting product comprises at least about 80 weight percent of a 1,2,4-trialkylsubstituted aromatic compound; (c) sulfonating the product of (b); and (c) neutralizing the product of (b) with an alkali or alkaline earth, metal hydroxide or ammonia.
    Type: Grant
    Filed: April 22, 2009
    Date of Patent: June 21, 2011
    Assignee: Chevron Oronite Company LLC
    Inventors: Curt B. Campbell, Gilles Sinquin
  • Patent number: 7964611
    Abstract: An alkaline earth metal borated sulfonate prepared by a process comprising reacting a mixture of the following materials (A) (1) at least one of an oil soluble sulfonic acid or alkaline earth sulfonate salt or mixtures thereof (2) at least one source of an alkaline earth metal; and (3) at least one source of boron, in the presence of a mixture of comprising (4) at least one hydrocarbon solvent; and (5) at least one low molecular weight alcohol; and (6) from 0 to less than 10 mole percent, relative to the source of boron, of an overbasing acid, other than the source of boron; and (B) heating the reaction product of (A) to a temperature above the distillation temperatures of (4) and (5) to distill (4), (5) and water of reaction, wherein no additional water is added in the process.
    Type: Grant
    Filed: December 15, 2008
    Date of Patent: June 21, 2011
    Assignee: Chevron Oronite Company LLC
    Inventors: Jean-Louis Le Coent, Pierre Tequi, John McDonald
  • Patent number: 7964543
    Abstract: The present invention is directed to Mannich condensation product sequestering agents or mixtures of Mannich condensation product sequestering agents for use in fuels and lubricating oils. The present invention is also directed to a process for preparing the Mannich condensation product sequestering agents. The present invention is also directed to a product formed by combining, under reaction conditions, a polyisobutyl-substituted hydroxyaromatic compound, an aldehyde, an amino acid or ester thereof, and an alkali metal base to form the Mannich condensation product sequestering agent. The present invention is also directed to a lubricating oil composition, a lubricating oil concentrate, a fuel composition, and a fuel concentrate having the Mannich condensation product sequestering agents of the present invention.
    Type: Grant
    Filed: April 13, 2005
    Date of Patent: June 21, 2011
    Assignee: Chevron Oronite Company LLC
    Inventors: James J. Harrison, Kenneth D. Nelson
  • Patent number: 7786059
    Abstract: An anti-wear additive composition comprising at least one acid phosphite compound and at least one neutral phosphite compound, wherein the ratio of the acid phosphite to the neutral phosphite is from about 1.0:10.7 to about 2.0:1.0, and lubricating oil compositions containing the same.
    Type: Grant
    Filed: December 21, 2004
    Date of Patent: August 31, 2010
    Assignee: Chevron Oronite Company LLC
    Inventor: Juan Alberto Buitrago
  • Patent number: 7618928
    Abstract: An oil-soluble lubricating oil additive composition comprising (I) an oil-soluble lubricating oil additive prepared by the process which comprises reacting a copolymer, with at least one ether compound and with at least one aromatic amine and (II) at least one ashless dispersant other than the lubricating oil additive of (I), the method of making the same, a lubricating oil composition comprising the lubricating oil additive composition and a major amount of an oil of lubricating viscosity, and a method of making the same.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: November 17, 2009
    Assignee: Chevron Oronite Company LLC
    Inventors: Casey D. Stokes, Willem Van Dam
  • Patent number: 7598414
    Abstract: A process for preparing a synthetic petroleum sulfonate comprising (a) reacting a first amount of at least one aromatic compound with a first amount of a mixture of olefins having from about 8 to about 100 carbon atoms, in the presence of a strong acid catalyst; (b) reacting the product of (a) with an additional amount of at least one aromatic compound and an additional amount of strong acid catalyst and, optionally, with an additional amount of a mixture of olefins selected from olefins having from about 8 to about 100 carbon atoms, in the presence of a strong acid catalyst, wherein the resulting product comprises at least about 80 weight percent of a 1,2,4-trialkylsubstituted aromatic compound; (c) sulfonating the product of (b); and (c) neutralizing the product of (b) with an alkali or alkaline earth metal hydroxide or ammonia.
    Type: Grant
    Filed: June 1, 2006
    Date of Patent: October 6, 2009
    Assignee: Chevron Oronite Company LLC
    Inventors: Curt B. Campbell, Gilles Sinquin
  • Patent number: 7495140
    Abstract: A process for alkylating an aromatic compound comprising reacting (a) a first amount of at least one aromatic compound with a first amount of a mixture of olefins having from about 8 to about 100 carbon atoms, in the presence of a strong acid catalyst; and reacting the product of (a) with an additional amount of at least one aromatic compound and an additional amount of a strong acid catalyst, and optionally, with an additional amount of a mixture of olefins selected from olefins having from about 8 to about 100 carbon atoms, wherein the resulting product comprises at least about 80 weight percent of a 1,2,4 tri-alkylsubstituted aromatic compound.
    Type: Grant
    Filed: June 1, 2006
    Date of Patent: February 24, 2009
    Assignee: Chevron Cronite Company LLC
    Inventors: Curt B. Campbell, Gilles Sinquin
  • Patent number: 7479568
    Abstract: An improved process for preparing an alkaline earth metal borated sulfonate comprising reacting a mixture of the following materials(A) (1) at least one of an oil soluble sulfonic acid or alkaline earth sulfonate salt or mixtures thereof (2) at least one source of an alkaline earth metal; and (3) at least one source of boron, in the presence of a mixture of comprising (4) at least one hydrocarbon solvent; and (5) at least one low molecular weight alcohol; and (6) from 0 to less than 10 mole percent, relative to the source of boron, of an overbasing acid, other than the source of boron; and (B) heating the reaction product of (A) to a temperature above the distillation temperatures of (4) and (5) to distill (4), (5) and water of reaction, wherein no additional water is added in the process.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: January 20, 2009
    Assignee: Chevron Oronite Company LLC
    Inventors: Jean-Louis Le Coent, Pierre Tequi, John McDonald
  • Patent number: 7449596
    Abstract: A process for preparing a synthetic petroleum sulfonate comprising (a) reacting at least one aromatic compound with a mixture of olefins selected from olefins having from about 8 to about 100 carbon atoms, in the presence of an acidic ionic liquid catalyst, wherein the resulting product comprises at least about 50 weight percent of a 1,2,4 tri-substituted aromatic compound or a 1,2,3 tri-substituted aromatic compound or mixtures thereof; (b) reacting the product of (a) with sulfur trioxide, which has been diluted with air; and (c) neutralizing the product of (b) with an alkali or alkaline earth metal hydroxide.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: November 11, 2008
    Assignee: Chevron Oronite Company LLC
    Inventors: Curt B. Campbell, Thomas V. Harris, Gilles Sinquin
  • Patent number: 7122508
    Abstract: Disclosed are methods and lubricant compositions for reducing wear in internal combustion engines lubricated with a low phosphorous content lubricating oil. The lubricant compositions of this invention comprise a synergistic combination of a dispersed, hydrated, alkali metal borate and at least one phosphorous-containing compound wherein the total phosphorous employed in the composition is no more than about 0.08 weight percent based on the total weight of the composition.
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: October 17, 2006
    Assignee: Chevron Oronite Company LLC
    Inventor: Alexander B. Boffa