Patents Assigned to Chevron Oronite Company LLC
  • Publication number: 20150119309
    Abstract: Disclosed herein is a process for preparing an isomeric mixture comprising a major amount of a para-branched mono-alkyl-substituted hydroxyaromatic compound.
    Type: Application
    Filed: October 31, 2014
    Publication date: April 30, 2015
    Applicant: CHEVRON ORONITE COMPANY LLC
    Inventors: Cedrick Mahieux, Curtis B. Campbell, Alexander E. Kuperman
  • Publication number: 20150119304
    Abstract: Disclosed herein is an overbased salt of a sulfurized alkyl-substituted hydroxyaromatic composition, which is prepared by the process comprising (a) providing an overbased salt of a sulfurized alkyl-substituted hydroxyaromatic composition having a total base number (TBN) greater than about 250; and (b) sparging the overbased salt of a sulfurized alkyl-substituted hydroxyaromatic composition with air at a temperature ranging from about 190° C. to about 250° C.
    Type: Application
    Filed: October 30, 2013
    Publication date: April 30, 2015
    Applicants: CHEVRON ORONITE COMPANY LLC, Chevron Oronite Technology B.V.
    Inventors: Ronald T.F. Jukes, Eugene E. Spala
  • Publication number: 20150111798
    Abstract: Provided herein is a medium speed diesel engine crankcase lubricating oil composition comprising: (a) a major amount of an oil of lubricating viscosity; and (b) 0.15 to 2.0 weight percent of a silver lubricity borated fatty acid ester additive. Also provided is a method for reducing silver bearing wear and friction in medium speed diesel engines comprising lubricating said engine with said lubricating oil composition.
    Type: Application
    Filed: October 18, 2013
    Publication date: April 23, 2015
    Applicant: Chevron Oronite Company LLC
    Inventors: Yue-Rong Li, Kevin S. Castile, John Dominic Palazzotto
  • Publication number: 20150111801
    Abstract: Provided herein is a medium speed diesel engine crankcase lubricating oil composition comprising: (a) major amount of an oil of lubricating viscosity; and (b) 0.1 to 5.0 weight percent of a silver lubricity additive comprising: (iv) an alkoxylated fatty amine or salt thereof; (v) an alkoxylated fatty diamine or salt thereof; or (vi) mixtures of (i) and (ii) above. Also provided is a method for reducing silver bearing wear and friction in medium speed diesel engines comprising lubricating said engine with said lubricating oil composition.
    Type: Application
    Filed: October 18, 2013
    Publication date: April 23, 2015
    Applicant: Chevron Oronite Company LLC.
    Inventors: Yue-Rong Li, Gaurav Bhalla, Man Hon Tsang
  • Publication number: 20150105306
    Abstract: Sequestering agents for use in fuels and lubricating oils derived from Mannich condensation reaction utilizing a polyisobutyl-substituted hydroxyaromatic compound, an aldehyde, an alkali metal base, and glycine or aspartic acid, or an ester thereof.
    Type: Application
    Filed: October 15, 2013
    Publication date: April 16, 2015
    Applicant: Chevron Oronite Company LLC
    Inventor: Kenneth D. Nelson
  • Patent number: 9006160
    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: October 11, 2013
    Date of Patent: April 14, 2015
    Assignee: Chevron Oronite Company LLC
    Inventor: Patrick J. McDougall
  • Patent number: 8993499
    Abstract: A carboxylate detergent prepared by the process comprising (a) alkylating a hydroxyaromatic compound with at least one normal alpha olefin having from about 12 to about 30 carbon atoms per molecule that has been isomerized to obtain an isomerized alpha olefin having 15-98 wt % branching and a residual alpha olefin content of between from about 0.1 to about 30 wt %, thereby producing an alkylated hydroxyaromatic compound; (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 19, 2008
    Date of Patent: March 31, 2015
    Assignees: Chevron Oronite Company LLC, Chevron Oronite S.A.
    Inventors: Curt B. Campbell, Gilles P. Sinquin, Eugene E. Spala, Gilbert R. Chapon
  • Patent number: 8993798
    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-C20 normal alpha olefins; and neutralizing the isomerized alpha olefin sulfonic acid with a source of an alkali metal or ammonium or substituted ammonium ion.
    Type: Grant
    Filed: December 8, 2010
    Date of Patent: March 31, 2015
    Assignee: Chevron Oronite Company LLC
    Inventors: Curtis Bay Campbell, Andrew J. Howes
  • Patent number: 8993496
    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 oil-soluble titanium compounds.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: March 31, 2015
    Assignee: Chevron Oronite Company LLC
    Inventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
  • Patent number: 8980806
    Abstract: The invention is directed to oil soluble additive compositions, lubricating oil compositions, and additive concentrates comprising the salt of (1) a molybdenum oxide, sulfide, or oxysulfide; (2) an amide reaction product of a carboxylic acid component and a polyamine component wherein the charge mole ratio (CMR) of the carboxylic acid component to the polyamine component is about 2:1 to 1:1; and (3) a post-treating agent.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: March 17, 2015
    Assignee: Chevron Oronite Company LLC
    Inventors: Gaurav Bhalla, Man Hon Tsang
  • Patent number: 8969265
    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: March 19, 2014
    Date of Patent: March 3, 2015
    Assignee: Chevron Oronite Company LLC
    Inventors: Gaurav Bhalla, Elaine S. Yamaguchi, Man Hon Tsang
  • Patent number: 8969273
    Abstract: A method for preventing or inhibiting exhaust valve seat recession in a natural gas fueled engine, the method comprising lubricating the engine with a natural gas engine lubricating oil composition comprising (a) a major amount of an oil of lubricating viscosity; and (b) an alkali metal-containing detergent, wherein the natural gas engine lubricating oil composition is substantially free of each of any alkaline earth metal-containing detergents and lithium-containing detergents is disclosed.
    Type: Grant
    Filed: February 18, 2009
    Date of Patent: March 3, 2015
    Assignee: Chevron Oronite Company LLC
    Inventors: Melanie F. Tobias, Jon F. Von Staden
  • Patent number: 8969484
    Abstract: Provided herein are methods for the preparation of mono- and multi-functional telechelic polyolefins via polymerization reaction with a terpene-based initiator.
    Type: Grant
    Filed: July 8, 2011
    Date of Patent: March 3, 2015
    Assignee: Chevron Oronite Company LLC
    Inventors: Casey D. Stokes, Young A. Chang, Patrick J. McDougall
  • Patent number: 8933001
    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 of the general formula Si—X4 or a hydrolysis product thereof, wherein each X is independently a hydroxyl-containing group, hydrocarbyloxy-containing group, acyloxy-containing group, amino-containing group, monoalkyl amino-containing group or dialkyl amino-containing group.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: January 13, 2015
    Assignee: Chevron Oronite Company LLC
    Inventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
  • Patent number: 8933002
    Abstract: Disclosed herein is a neutral or overbased salt of a sulfurized alkylhydroxyaromatic compound obtained by the process comprising the steps of (a) sulfurizing an alkylhydroxyaromatic compound derived from alkylation of a hydroxyaromatic compound with one or more olefins comprising C9 to C18 oligomers of monomers selected from propylene, butylene or mixtures thereof to provide a sulfurized alkylhydroxyaromatic reaction product; (b) removing any unsulfurized alkylhydroxyaromatic compound from the sulfurized alkylhydroxyaromatic reaction product of step (a) to obtain a sulfurized alkylhydroxyaromatic compound substantially free of the unsulfurized alkylhydroxyaromatic compound; and (c) neutralizing the sulfurized alkylhydroxyaromatic compound of step (b) to provide a salt of the sulfurized alkylhydroxyaromatic compound, wherein the overbased salt of the sulfurized alkylhydroxyaromatic compound contains less than about 2% by combined mass of the unsulfurized alkylhydroxyaromatic compound and its unsulfurized metal
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: January 13, 2015
    Assignees: Chevron Oronite Company LLC, Chevron Oronite SAS
    Inventors: Gilles Sinquin, Curt Campbell, Hélène Lecroq, Eugene E. Spala
  • Patent number: 8920524
    Abstract: Disclosed are polyisobutenyl alcohols and substituted polyisobuentyl alcohols of the formula: wherein n is an integer from 5 to 90, R is selected from the group consisting of hydrogen, haloalkyl, alkoxycarbonyl and substituted aryl wherein at least one substituent group of the substituted aryl is selected from cyano, nitro and alkoxycarbonyl.
    Type: Grant
    Filed: December 15, 2010
    Date of Patent: December 30, 2014
    Assignee: Chevron Oronite Company LLC
    Inventors: Richard E. Cherpeck, Ruth Smocha
  • Patent number: 8916726
    Abstract: Disclosed is a method for improving filtration in the preparation of an alkaline earth metal alkyltoluene sulfonate concentrate by selectively controlling the meta, ortho, para isomer distribution of the alkyl group of the alkyltoluene produced by the process comprising alkylating toluene with at least one isomerized normal alpha olefin, having from about 18 to about 30 carbon atoms and having from 20% to 100% branching in an alkylation process which includes monitoring % isomer formation and adjusting an alkylation process parameter in order to provide a target specified isomer content of less than 38% meta-isomer content; and thereafter sulfonating and neutralizing to produce a low base number sulfonated alkyltoluene concentrate having a Base Number of about 2 to 60 (ASTM D 2896).
    Type: Grant
    Filed: March 20, 2011
    Date of Patent: December 23, 2014
    Assignee: Chevron Oronite Company LLC
    Inventors: Pierre Tequi, Curt B. Campbell, Gilles P. Sinquin, Christine Boemare Gandon, Kyle J. Frederic, Eugene E. Spalla
  • Patent number: 8901050
    Abstract: Disclosed is a method for improving copper corrosion performance of 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 copper corrosion performance improving agents of the general formula Si—X4 or a hydrolysis product thereof, wherein each X is independently a hydroxyl-containing group, hydrocarbyloxy-containing group, acyloxy-containing group, amino-containing group, monoalkyl amino-containing group or dialkyl amino-containing group.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: December 2, 2014
    Assignee: Chevron Oronite Company LLC
    Inventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
  • Patent number: 8895672
    Abstract: Provided herein are methods for preparing vinylidene-terminated polyolefins. Further provided herein are sulfide-terminated polyolefins.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: November 25, 2014
    Assignee: Chevron Oronite Company LLC
    Inventor: Casey D. Stokes
  • Patent number: 8877972
    Abstract: A process is described for preparing alkylene oxide-adducted hydrocarbyl amides having less than 2 wt % of amine by-products by a) reacting a C4-C30 fatty acid or fatty acid lower alkyl ester with a mono- or di-hydroxy hydrocarbyl amine to form a hydrocarbyl amide; b) reacting the hydrocarbyl amide with alkylene oxide; and c) extracting the product of b) with water, acidic water, or water-containing inorganic salts or a combination thereof at a temperature from about 5° C. to 95° C. to yield an alkylene oxide-adducted hydrocarbyl amide having less than 2 wt % of amine by-products.
    Type: Grant
    Filed: September 28, 2011
    Date of Patent: November 4, 2014
    Assignee: Chevron Oronite Company LLC
    Inventors: Francois Simard, Richard E. Cherpeck