Patents Assigned to Chevron Oronite Company LLC
  • Patent number: 8859473
    Abstract: An oil-soluble lubricating oil additive composition prepared by the process which comprises reacting (A) reacting a copolymer of an (i) an unsaturated acidic reagent; and (ii) a mono-olefin, with at least one linking hydrocarbyl di-primary amine, thereby producing a hybrid succinic anhydride copolymer having from about 10% to about 90% unreacted anhydride groups; and subsequently (B) reacting the hybrid succinic anhydride copolymer with a second amine compound, thereby producing the succinimide; and (C) reacting the succinimide with at least one post-treating agent selected from a cyclic carbonate, a linear mono-carbonate, a linear poly-carbonate, an aromatic polycarboxylic acid, an aromatic polycarboxylic anhydride, an aromatic polycarboxylic acid ester, or mixtures thereof.
    Type: Grant
    Filed: December 22, 2008
    Date of Patent: October 14, 2014
    Assignee: Chevron Oronite Company LLC
    Inventors: James J. Harrison, Mitra Hosseini
  • Patent number: 8859474
    Abstract: A lubricating oil composition comprising (a) a major amount of an oil of lubricating viscosity; and (b) an oil soluble epoxide compound having the following structure: wherein X is hydrogen or a substituted or unsubstituted C1 to C20 hydrocarbyl group, wherein the substituted hydrocarbyl group is substituted with one or more substituents selected from hydroxyl, alkoxy, ester or amino groups and Y is —CH2OR, —C(?O)OR1 or —C(?O)NHR2, wherein R, R1 and R2 are independently hydrogen or C1 to C20 alkyl or alkenyl groups; —and further wherein the oil of lubricating viscosity does not contain a carboxylic acid ester.
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: October 14, 2014
    Assignee: Chevron Oronite Company LLC
    Inventor: Patrick J. McDougall
  • Patent number: 8841243
    Abstract: A natural gas engine lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity, (b) one or more phosphorus-containing anti-wear additives, (c) one or more ashless dispersants, (d) one or more alkaline earth metal salts of an alkyl-substituted hydroxyaromatic carboxylic acid, and (e) one or more antioxidants, wherein the natural gas engine lubricating oil composition contains no more than about 0.03 weight percent of phosphorus, based on the total weight of the natural gas engine lubricating oil composition, and further wherein the natural gas engine lubricating oil composition is substantially free of any alkali metal-containing detergents.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: September 23, 2014
    Assignee: Chevron Oronite Company LLC
    Inventors: Melanie F. Tobias, Jon F. Von Staden
  • Publication number: 20140274842
    Abstract: Disclosed is an oil-soluble lubricating oil additive composition, suitable for use as a dispersant viscosity index improver in lubricating oils; prepared by the process which comprises reacting a hydrocarbon polymer having a number average molecular weight (Mn) between about 7,000 and about 500,000 wherein the polymer backbone has been functionalized with an ethylenically unsaturated acylating agent and a hydroxyl-linked polycyclic fused ring component.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: Chevron Oronite Company LLC
    Inventors: Patrick J. McDougall, Pritesh A. Patel
  • Patent number: 8828916
    Abstract: The present invention relates to a process for preparing nonylated diphenylamines which improves nonene usage by recycling and reusing stripped nonene from an earlier process. The process comprising consecutive recycle of recovered nonene is conducted at a sequential two step temperature reaction, namely a more severe temperature followed by a lower temperature. The product prepared by this process is a useful antioxidant for lubricating oil compositions.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: September 9, 2014
    Assignee: Chevron Oronite Company LLC
    Inventor: Francois Simard
  • Patent number: 8796192
    Abstract: A natural gas engine lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity, (b) one or more phosphorus-containing anti-wear additives, (c) one or more oil soluble overbased alkaline earth metal-containing detergents; and (d) one or more oil soluble neutral alkali metal-containing detergents, wherein the natural gas engine lubricating oil composition contains no more than about 0.03 weight percent of phosphorus, based on the total weight of the natural gas engine lubricating oil composition.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: August 5, 2014
    Assignee: Chevron Oronite Company LLC
    Inventors: Melanie F. Tobias, Jon F. Von Staden
  • Publication number: 20140206586
    Abstract: A lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) one or more non-halogen-containing oil-soluble titanium complexes comprising at least one ligand comprising an anion of a carboxylic acid; (c) one or more dispersants; and (d) one or more detergents, wherein the lubricating oil composition is free of any zinc dialkyldithiophosphate.
    Type: Application
    Filed: March 19, 2014
    Publication date: July 24, 2014
    Applicant: Chevron Oronite Company LLC
    Inventors: Gaurav Bhalla, Elaine S. Yamaguchi, Man Hon Tsang
  • Patent number: 8778856
    Abstract: A carboxylate detergent prepared by the process comprising (a) alkylating a hydroxyaromatic compound with at least one alpha olefin oligomer, derived from C8 to C20 alpha olefins, to thereby produce an alkylhydroxyaromatic compound, and wherein at least 90% of the molecules in the alkylhydroxyaromatic compound have the alkyl group attached at the 4-position or higher from the terminus of the longest chain of the alkyl group, and further wherein the alkyl group comprises at least one hydrocarbon tail of at least 7 carbons; (b) neutralizing the resulting alkylated hydroxyaromatic compound with an alkali metal base; (c) carbonating the alkali metal salt from step (b) with carbon dioxide; (d) acidifying the salt produced in step (c); and (e) overbasing the resulting alkylated hydroxyaromatic carboxylic acid.
    Type: Grant
    Filed: December 2, 2009
    Date of Patent: July 15, 2014
    Assignees: Chevron Oronite Company LLC, Chevron Oronita S.A.
    Inventors: Curtis Bay Campbell, Gilles P. Sinquin, Jean-Louis Le Coent, Jan Anthony Burval
  • Patent number: 8778853
    Abstract: A functional fluid comprising a major amount of an oil of lubricating viscosity, and at least about 0.05 wt-% glycerol. A method of preparing a functional fluid comprising adding glycerol to a functional fluid, wherein the glycerol is not glycerol monooleate. A method of preparing an additive concentrate comprising adding glycerol to a diluent oil wherein the concentrate contains from about 1% to about 99% by weight of said diluent. A method of reducing wear comprising contacting a metal surface with a functional fluid comprising a major amount of an oil of lubricating viscosity and at least about 0.05 wt-% glycerol.
    Type: Grant
    Filed: November 11, 2011
    Date of Patent: July 15, 2014
    Assignee: Chevron Oronite Company LLC.
    Inventor: Yue-Rong Li
  • Patent number: 8748359
    Abstract: An oil-soluble lubricating oil additive composition prepared by the process which comprises reacting (A) reacting a copolymer of an (i) an unsaturated acidic reagent; and (ii) a mono-olefin, with at least one linking hydrocarbyl di-primary amine, thereby producing a hybrid succinic anhydride copolymer having from about 10% to about 90% unreacted anhydride groups; and subsequently (B) reacting the hybrid succinic anhydride copolymer with a second amine compound, thereby producing the succinimide; and (C) reacting the succinimide with at least one post-treating agent selected from a cyclic carbonate, a linear mono-carbonate, a linear poly-carbonate, an aromatic polycarboxylic acid, an aromatic polycarboxylic anhydride, an aromatic polycarboxylic acid ester, or mixtures thereof.
    Type: Grant
    Filed: November 27, 2012
    Date of Patent: June 10, 2014
    Assignee: Chevron Oronite Company LLC
    Inventors: James J. Harrison, Mitra Hosseini
  • Publication number: 20140155308
    Abstract: Provided herein are copolymers of a polyaminopolymer and polyanhydride, wherein the polyaminopolymer comprises a polyaminopolyolefin; and methods of their preparation.
    Type: Application
    Filed: November 30, 2012
    Publication date: June 5, 2014
    Applicant: CHEVRON ORONITE COMPANY LLC
    Inventors: Young Chang, Casey Stokes, David Morgan
  • Publication number: 20140142015
    Abstract: Disclosed 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: Application
    Filed: November 15, 2013
    Publication date: May 22, 2014
    Applicant: CHEVRON ORONITE COMPANY LLC
    Inventors: Cedrick Mahieux, Richard Pran Dutta, Curtis B. Campbell, Benjamin David Yip
  • Publication number: 20140142347
    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: Application
    Filed: November 20, 2012
    Publication date: May 22, 2014
    Applicant: Chevron Oronite Company LLC
    Inventors: Cedrick Mahieux, Richard Dutta, Curtis Campbell
  • Patent number: 8729297
    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 12, 2013
    Date of Patent: May 20, 2014
    Assignee: Chevron Oronite Company LLC
    Inventors: James Joseph Harrison, Kenneth Dale Nelson
  • Patent number: 8722927
    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 12, 2013
    Date of Patent: May 13, 2014
    Assignee: Chevron Oronite Company LLC
    Inventors: James J. Harrison, Kenneth D. Nelson
  • Patent number: 8716202
    Abstract: Disclosed is a method for improving compatibility of a fluorocarbon elastomer seal with a lubricating oil composition containing (a) a major amount of a base oil of lubricating viscosity; and (b) one or more dispersants containing one or more basic nitrogen atoms. The method involves adding to the lubricating oil composition an effective amount of one or more fluorocarbon elastomer compatibility improving agents comprising one or more non-halogen-containing oil-soluble titanium complexes comprising at least one ligand selected from the group consisting of (i) an anion of a saturated carboxylic acid, (ii) an anion of an ?-, ?- or ?-hydroxycarbonyl compound; (iii) an anion of an ?-, ?- or ?-hydroxycarboxylic acid, amide, or ester; (iv) an anion of an ?-, ?- or ?-aminocarboxylic acid; and (v) an anion of an ?-, ?- or ?-keto acid.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: May 6, 2014
    Assignee: Chevron oronite Company LLC
    Inventors: Elaine S. Yamaguchi, Man Hon Tsang
  • Publication number: 20140121141
    Abstract: A lubricating oil additive composition comprising the reaction product of a (a) nitrogen-containing reactant, wherein the nitrogen-containing reactant comprises an alkyl alkanolamide, an alkyl alkoxylated alkanolamide, an alkyl alkanolamine, an alkyl alkoxylated alkanolamine or mixtures thereof, and wherein the nitrogen-containing reactant contains less than 10 mass percent of glycerol alkyl ester; (b) a source of boron; and (c) a hydrocarbyl polyol, having at least three hydroxyl groups.
    Type: Application
    Filed: October 30, 2012
    Publication date: May 1, 2014
    Applicant: Chevron Oronite Company LLC
    Inventor: Yat Fan Suen
  • Publication number: 20140121142
    Abstract: A lubricating oil additive composition comprising the reaction product of an (a) an alkylated aromatic ether alcohol, (b) a source of boron, and (c) a hydrocarbyl polyol, having at least two hydroxyl groups.
    Type: Application
    Filed: October 30, 2012
    Publication date: May 1, 2014
    Applicant: Chevron Oronite Company LLC
    Inventor: Yat Fan Suen
  • Publication number: 20140121140
    Abstract: A method of preparing a lubricating oil additive composition comprising reacting (A) a nitrogen-containing reactant derived from reacting a first reaction product with a triglyceride, wherein the first reaction product is derived by reacting an alkanolamine and a base, wherein the nitrogen-containing reactant comprises three equivalents of a nitrogen-containing compound and one equivalent of glycerol, and wherein the nitrogen-containing reactant contains less than 10 mass percent of glycerol alkyl ester; (B) a source of boron; and (C) glycerol.
    Type: Application
    Filed: October 30, 2012
    Publication date: May 1, 2014
    Applicant: Chevron Oronite Company LLC
    Inventors: Yat Fan Suen, Jennifer Elizabeth Barbarow
  • Patent number: 8709984
    Abstract: A lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) one or more non-halogen-containing oil-soluble titanium complexes comprising at least one ligand comprising an anion of a carboxylic acid; (c) one or more dispersants; and (d) one or more detergents, wherein the lubricating oil composition is free of any zinc dialkyldithiophosphate.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: April 29, 2014
    Assignee: Chevron Oronite Company LLC
    Inventors: Gaurav Bhalla, Elaine S. Yamaguchi, Man Hon Tsang