Patents Assigned to Chevron Oronite Company LLC
  • Publication number: 20160032213
    Abstract: We provide a SAE 15W-30 lubricating oil, comprising: a Group II base oil having a KV at 100° C. from 5.0 to 8.0 mm2/s; a second Group II base oil having a KV at 100° C. from 10 to 14 mm2/s; a DI additive package designed to meet API CJ-4; and 0.50 to 4.95 wt % viscosity modifier; wherein the lubricating oil has a TBN from 8.55 to 11.00 and provides an Induction Time in a CMOT from 270 to 450 minutes. We also provide a process for making the lubricating oil, comprising: blending the Group II base oils to make a blended base oil mixture and adding to the blended base oil mixture: a DI additive package designed to meet API CJ-4, and a viscosity modifier; wherein the lubricating oil has a TBN from 8.55 to 11.00 and provides an Induction Time in a CMOT from 270 to 450 minutes.
    Type: Application
    Filed: July 31, 2014
    Publication date: February 4, 2016
    Applicants: Chevron U.S.A. Inc., Chevron Oronite Company LLC
    Inventors: John Coakwell Green, Melanie Frances Tobias, Kevin David Carabell, John Michael Rosenbeum, David Christian Kramer
  • Patent number: 9249092
    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: November 19, 2014
    Date of Patent: February 2, 2016
    Assignee: Chevron Oronite Company LLC
    Inventors: Curtis Bay Campbell, Andrew J. Howes
  • Patent number: 9249091
    Abstract: Disclosed herein is a post-treated salt of a sulfurized alkyl-substituted hydroxyaromatic composition which is a reaction product of (a) a salt of a sulfurized alkyl-substituted hydroxyaromatic composition, wherein the alkyl-substituted hydroxyaromatic compound is 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, (b) a source of an aldehyde and (c) a primary and/or secondary monoamine compound having at least one active hydrogen. The post-treated salt of a sulfurized alkylhydroxyaromatic composition disclosed herein has a reduced content of unsulfurized alkyl-substituted hydroxyaromatic compound and its unsulfurized metal salt as compared to the content, by combined mass, of the unsulfurized alkyl-substituted hydroxyaromatic compound and its unsulfurized metal salt present in the non-post-treated salt of a sulfurized alkyl-substituted hydroxyaromatic composition.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: February 2, 2016
    Assignee: Chevron Oronite Company LLC
    Inventors: Andrew R. Gibbs, Curtis Campbell
  • Patent number: 9243203
    Abstract: Provided herein are copolymers of a polyaminopolymer and polyanhydride, wherein the polyaminopolymer comprises a polyaminopolyolefin; and methods of their preparation.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: January 26, 2016
    Assignee: Chevron Oronite Company LLC
    Inventors: Young Chang, Casey Stokes, David Morgan
  • Patent number: 9234153
    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: Grant
    Filed: March 15, 2013
    Date of Patent: January 12, 2016
    Assignee: Chevron Oronite Company LLC
    Inventors: Patrick J. McDougall, Pritesh A. Patel
  • Patent number: 9227920
    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: Grant
    Filed: October 30, 2012
    Date of Patent: January 5, 2016
    Assignee: Chevron Oronite Company LLC
    Inventors: Yat Fan Suen, Jennifer Elizabeth Newell
  • Patent number: 9206374
    Abstract: Disclosed herein is a trunk piston engine lubricating oil composition comprising (a) a major amount of an oil of lubricating viscosity; (b) one or more carboxylate-containing detergents comprising a salt of an alkyl-substituted hydroxyaromatic carboxylic acid, wherein at least about 50% of the alkyl moiety of the alkyl-substituted hydroxyaromatic carboxylic acid comprises C26+ alkyl groups derived from one or more normal alpha olefins; and (c) one or more zinc dithiophosphates in an amount of about 0.02 to about 0.12 wt. % in terms of phosphorus content.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: December 8, 2015
    Assignees: Chevron Oronite SAS, Chevron Oronite Company LLC, Chevon Oronite Technology B.V.
    Inventors: Ronald Jukes, Todd Brookhart, Christophe P. Le Deore
  • Patent number: 9200232
    Abstract: A method is provided to determine the predisposition of a polymer to form network or gel in a lubricating oil which comprises obtaining a composition of a polymer in a diluent, measuring the shear stress as a function of shear rate, determining the yield stress using the Herschel-Bulkley equation and assessing the yield stress. A method is also provided to determine the predisposition of a polymer to form network or gel in a lubricating oil which comprises obtaining a composition of a polymer in a diluent, determining at least one of (i) the storage modulus G? and loss modulus G? of the composition by subjecting the composition to sinusoidal (oscillating) stress or strain of certain amplitude and frequency, (ii) the phase lag (angle) of the response strain or stress ?, or (iii) the tangent (tan) ?, and (c) assessing at least one of the G?, G?, ?, or tan(?) determined.
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: December 1, 2015
    Assignees: ExxonMobil Chemical Patents Inc., Chevron Oronite Company LLC
    Inventors: Rainer Kolb, Sudhin Datta, Pritesh A. Patel, Kirk A. Nass
  • Patent number: 9193931
    Abstract: A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having no more than about 600 ppm of boron, based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having no more than about 800 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of about 5:1 to about 500:1.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: November 24, 2015
    Assignees: Chevron Oronite Company LLC, Chevron U.S.A. Inc.
    Inventors: Kenneth D. Nelson, Alexander B. Boffa, William M. Kleiser, Stephen D. Stults, James A. McGeehan, Wim Van Dam, Richard E. Cherpeck
  • Patent number: 9187581
    Abstract: Provided herein are methods for the preparation of telechelic polyolefins via polymerization reaction with a terpene initiator.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: November 17, 2015
    Assignee: Chevron Oronite Company LLC
    Inventors: Casey D. Stokes, Young Chang
  • Patent number: 9127151
    Abstract: Polymer compositions for use as viscosity modifiers comprising at least two ethylene-based copolymer components are provided. The polymer composition comprises (a) a first ethylene-?-olefin copolymer and (b) a second ethylene-?-olefin copolymer. The first ethylene-?-olefin copolymer (a) has an ethylene content from about 60 to about 80 wt % and the second ethylene-?-olefin copolymer (b) has an ethylene content of less than about 60 wt %. The first ethylene-?-olefin copolymer (a) has a Melt Flow Rate Ratio (MFRR), defined as the ratio of the MFR measured at 230° C./21.6 kg and at 230° C./2.16 kg, of greater than 30 and optionally also has a Melt Flow Rate (MFR) of at least about 1.5 g/10 min, measured by ASTM D 1238 condition L (230° C./2.16 kg). The present disclosure is also directed to lubricant compositions comprising a lubricating basestock and a polymer composition of the present disclosure and is further directed to reducing gelation in the lubricant compositions.
    Type: Grant
    Filed: February 3, 2012
    Date of Patent: September 8, 2015
    Assignees: ExxonMobil Chemical Patents Inc., Chevron Oronite Company LLC
    Inventors: Phillip T. Matsunaga, Kirk A. Nass, Pritesh A. Patel, Rainer Kolb, Sudhin Datta
  • Patent number: 9115237
    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 an aryloxy-alkylene amine.
    Type: Grant
    Filed: July 18, 2012
    Date of Patent: August 25, 2015
    Assignee: Chevron Oronite Company LLC
    Inventors: Patrick J. McDougall, Pritesh A. Patel
  • Publication number: 20150232780
    Abstract: Lubricating oil compositions comprising neutral or low overbased alkaryl sulfonate calcium salts, hydrocarbyl polyalcohol, and zinc dialkyl dithiophosphate for use as tractor hydraulic fluids.
    Type: Application
    Filed: February 14, 2014
    Publication date: August 20, 2015
    Applicant: Chevron Oronite Company LLC
    Inventors: Kedar SHRESTHA, Shuhei YAMAMOTO
  • Patent number: 9062273
    Abstract: A lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; and (b) 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 an ?-, ?- or ?-hydroxycarbonyl compound; (ii) an anion of an ?-, ?- or ?-hydroxycarboxylic acid, amide or ester; (iii) an anion of an ?-, ?- or ?-aminocarboxylic acid; and (iv) an anion of an ?-, ?- or ?-keto acid.
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: June 23, 2015
    Assignee: Chevron Oronite Company LLC
    Inventors: Gaurav Bhalla, Elaine S. Yamaguchi, Man Hon Tsang
  • Patent number: 9035097
    Abstract: Disclosed is a process for preparing an aryloxyalkylene amine compound via an aminoethylation reaction comprising: a) reacting an aromatic hydroxyl compound in the presence of a basic catalyst with a 2-oxazolidinone compound of the formula II to form an intermediate reaction product; wherein R3 is selected from the group consisting of hydrogen or lower alkyl having 1 to 6 carbon atoms, R4 is selected from the group consisting of hydrogen, straight or branched chain alkyl having from one to six carbon atoms, phenyl, alkaryl, or arylalkyl; and b) reacting the intermediate product of step a) with a polyalkylene polyamine.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: May 19, 2015
    Assignee: Chevron Oronite Company LLC
    Inventors: Patrick J. McDougall, James Saenz, David Lao
  • Patent number: 9029304
    Abstract: An oil-soluble lubricating oil additive composition comprising (a) at least 3.5 wt-% of at least one friction modifier selected from the group consisting of fatty acids, fatty acid amides, fatty acid esters, and alkane diols which have a melting point of greater than 30° C.; (b) at least 10 wt-% actives dispersant; and (c) a sufficient amount of surfactant to make said additive composition haze-, sediment-, and skin-free, provided that said additive composition contains at least 150 mm surfactant per kg of said lubricating oil additive composition.
    Type: Grant
    Filed: September 30, 2008
    Date of Patent: May 12, 2015
    Assignee: Chevron Oronite Company LLC
    Inventor: Deane S. Walker
  • Publication number: 20150119308
    Abstract: Disclosed herein is a process for preparing an isomeric mixture comprising a major amount of a para-linear mono-alkyl-substituted hydroxyaromatic compound.
    Type: Application
    Filed: October 31, 2013
    Publication date: April 30, 2015
    Applicant: CHEVRON ORONITE COMPANY LLC
    Inventors: Cedrick Mahieux, Curtis B. Campbell, Alexander E. Kuperman
  • 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