Patents Assigned to Chevron Oronite Company LLC
  • Patent number: 11008502
    Abstract: Disclosed are compositions and methods for use in oil and gas operations.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: May 18, 2021
    Assignees: Chevron U.S.A. Inc., Chevron Oronite Company LLC
    Inventors: Dennis A. Alexis, Gayani Pinnawala Arachchilage, Varadarajan Dwarakanath, Do Hoon Kim, Taimur Malik, Gregory A. Winslow, Aaron Wilhelm
  • Patent number: 10875946
    Abstract: Provided herein are polyolefin dispersants, as well as methods for producing polyolefin dispersants. The polyolefin dispersants can be defined by the formula below where Rx is cationic initiator residue; Ra is a polyolefin group; R1 and R2 are each, independently in each —(CR1R2) unit, H, alkyl, alkoxy, or alkylaryl; R3 and R4 are each, independently, H, alkyl, or alkoxy; m is an integer from 1 to 20; n is an integer from 1 to 6; r is an integer from 1 to 4; Y is a polyvalent amine linker comprising one or more tertiary amines, wherein the polyvalent amine linker does not include a primary amine or a secondary amine; and A is absent, or comprises a dispersive moiety.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: December 29, 2020
    Assignees: Chevron Oronite Company LLC, The University of Southern Mississippi
    Inventors: Robson F. Storey, Travis P. Holbrook, C. Garrett Campbell, Georgeta Masson
  • Patent number: 10844307
    Abstract: Disclosed is a lubricating engine oil composition for a direct injected, boosted, spark ignited internal combustion engine comprising from about 25 to about 3000 ppm of metal from at least one manganese-containing compound, based on the total weight of the lubricating oil. Also disclosed is a method for preventing or reducing low speed pre-ignition in an engine lubricated with said lubricating engine oil composition.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: November 24, 2020
    Assignees: CHEVRON ORONITE COMPANY LLC, CHEVRON U.S.A. INC.
    Inventors: Ian G. Elliott, Amir Gamal Maria, Richard Eugene Cherpeck, Theresa Liang Gunawan, Andrew M. Thomas
  • Patent number: 10815446
    Abstract: Disclosed is a dispersant composition, suitable for use in lubricating oils. The dispersant composition is a reaction product of (i) a polyalkenyl succinimide post-treated with a post-treating agent selected from the group consisting of an organic carbonate, an epoxide, a lactone, a hydroxyaliphatic carboxylic acid, and combinations thereof; and (ii) an acylating agent.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: October 27, 2020
    Assignee: CHEVRON ORONITE COMPANY LLC
    Inventors: William Raymond Ruhe, Jr., Georgeta Masson, Abran Costales, Kirk Nass, John Robert Miller, Young A. Chang
  • Publication number: 20200299233
    Abstract: Disclosed herein is a process for preparing a sulfurized non-overbased calcium phenate detergent having a reduced content of un-sulfurized alkyl-substituted phenol and its salt. The process steps involve adding an organic solvent to the detergent, wherein the organic solvent has a boiling point of equal or above the boiling point of the un-sulfurized alkyl-substituted phenol. Distilling the organic solvent from the detergent to reduce the content of the un-sulfurized alkyl-substituted phenol.
    Type: Application
    Filed: March 11, 2020
    Publication date: September 24, 2020
    Applicant: CHEVRON ORONITE COMPANY LLC
    Inventor: Eugene Edward SPALA
  • Publication number: 20200299605
    Abstract: Lubricating oil composition is provided. The composition includes several components including a major amount of a base oil, a mixture of alkylated diphenylamines having a weight ratio of mono-alkylated diphenylamine to di-alkylated diphenylamine ranging from 0.6 to 4.0, and a molybdenum or sulfur additive that provides synergistic enhancement of oxidation stability in combination with the mixture of alkylated diphenylamines.
    Type: Application
    Filed: March 17, 2020
    Publication date: September 24, 2020
    Applicant: CHEVRON ORONITE COMPANY LLC
    Inventors: Ryan OLIVER, Andrew Michael THOMAS, Joanne LIU
  • Patent number: 10781394
    Abstract: This invention encompasses lubricating oil compositions comprising a base oil, a biodiesel fuel and a Mannich condensation product. A method for inhibiting viscosity increase in a diesel engine fueled at least in part with a biodiesel fuel is also described.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: September 22, 2020
    Assignees: CHEVRON ORONITE TECHNOLOGY B.V., CHEVRON ORONITE COMPANY LLC
    Inventors: Menno Anton Stefan Moniz, Walter Alexander Hartgers, Richard Hogendoorn, Moussa Echankouki, Peter Kleijwegt, Alexander B. Boffa, John Robert Miller
  • Patent number: 10704009
    Abstract: The present disclosure generally relates to a lubricating oil composition having a sulfur content of up to 0.4 wt. % and a sulfated ash content of up to 0.6 wt. %, as determined by ASTM D874, comprising: a major amount of base oil; at least 0.02 wt. % of triazole compound; less than about 1.3 wt. % of a diphenylamine antioxidant; and at least 900 ppm of molybdenum from a molybdenum containing compound; wherein the lubricating oil composition is essentially free of ZnDTP. Also provided are methods for reducing wear and copper corrosion in an engine which is equipped with a diesel particulate filter (DPF) or a gasoline particulate filter (GPF) after treatment device system.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: July 7, 2020
    Assignee: Chevron Oronite Company LLC
    Inventors: John Robert Miller, Kevin David Carabell
  • Patent number: 10683460
    Abstract: Provided herein are processes for ethylene oligomerization in the presence of an ionic liquid catalyst and a co-catalyst to produce a hydrocarbon product comprising C10-C55 oligomers.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: June 16, 2020
    Assignees: Chevron Oronite Company LLC, Chevron U.S.A. Inc.
    Inventors: Hye-Kyung Cho Timken, Bong-Kyu Chang, Curtis Bay Campbell, Andrew Michael Thomas, Mark Anthony Fernandez, Madeleine Sessions
  • Patent number: 10662391
    Abstract: The present disclosure generally relates to a lubricating oil composition for improving corrosion resistance and maintaining TBN in an internal combustion engine.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: May 26, 2020
    Assignee: Chevron Oronite Company LLC
    Inventor: Kevin David Carabell
  • Patent number: 10544238
    Abstract: Provided herein are methods for preparing a functionalized polyolefin from an unsaturated polyolefin containing one or more non-aromatic main-chain double bonds and for reducing the size and/or polydispersity index (i.e., increasing the homogeneity) of the unsaturated polyolefin.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: January 28, 2020
    Assignees: Chevron Oronite Company LLC, The University of Southern Mississippi
    Inventors: Robson F. Storey, Subramanyam Ummadisetty, Christopher Garrett Campbell, Casey D. Stokes, Young Chang
  • Patent number: 10450525
    Abstract: The present invention is directed to a process of making alkanolamides wherein the “aging” time is reduced and the diethanol amide to ester ratio in the finished product is increased. Further provided is an additive composition comprising an alkanolamide which contains a reduced amount of DEA and BHEP.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: October 22, 2019
    Assignee: Chevron Oronite Company LLC
    Inventors: Yat Fan Suen, Joanne Liu, Francois Simard, Yuen Ting Anita Leung
  • Patent number: 10435643
    Abstract: Provided is an internal combustion engine lubricating oil composition which comprises a major amount of an oil of lubricating viscosity; one or more oil soluble or oil dispersible organic acid anhydrides, said anhydride comprising at least one hydrocarbyl or hydrocarbylene moiety having from about 10 to about 400 carbon atoms; and an oil soluble or oil dispersible secondary hydrocarbylamine compound, a tertiary hydrocarbylamine compound, or combinations thereof. Also provided is a method for maintaining and/or increasing fresh oil TBN of a lubricating oil composition while at the same time improving seal performance in an internal combustion engine.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: October 8, 2019
    Assignee: Chevron Oronite Company LLC
    Inventors: Seyedeh Mahboobeh Hosseini, John Robert Miller, Kevin David Carabell
  • Patent number: 10414999
    Abstract: Disclosed is an internal combustion engine lubricating oil composition which comprises (a) a major amount of an oil of lubricating viscosity; (b) a dispersant-type olefin copolymer VI improver; and (c) a secondary hydrocarbylamine compound, a tertiary hydrocarbylamine compound, or combinations thereof. A method for reducing cam wear using same is also disclosed.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: September 17, 2019
    Assignee: Chevron Oronite Company LLC
    Inventors: Kevin David Carabell, John Robert Miller
  • Patent number: 10329512
    Abstract: A lubricating oil composition having a sulfated ash content of from greater than 1.0 wt. % to about 2.0 wt. %, a phosphorus content of from about 0.07 to about 0.12 wt. % and a sulfur content of 0.4 wt. % or less, the lubricating oil composition comprising: (a) an oil of lubricating viscosity in a major amount; (b) an overbased magnesium detergent, in an amount providing the lubricating oil composition with at least 600 ppm of magnesium; (c) a boron-containing compound, in an amount providing the lubricating oil composition with at least 250 ppm of boron; and (d) a molybdenum-containing compound, in an amount providing the lubricating oil composition with at least 50 ppm of molybdenum, wherein the composition has a B/Mo mass ratio in a range of 2 to 10 and a S/Mo mass ratio in a range of 10 to 25.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: June 25, 2019
    Assignees: Chevron Oronite Company LLC, Chevron Oronite Technology B.V.
    Inventors: Menno Anton Stefan Moniz, Jeroen Van Leeuwen, John Robert Miller
  • Patent number: 10227546
    Abstract: Disclosed is a lubricating oil composition comprising the reaction product of a nitrogen containing reactant wherein the nitrogen containing reactant comprises an alkyl di-alkanolamide, an alkyl di-alkanolamine, or mixtures thereof; an acidic molybdenum compound; and a salicylate compound. Also disclosed is a method for operating an internal combustion engine comprising said lubricating composition and a method for preparing a molybdenum containing friction modifier.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: March 12, 2019
    Assignee: Chevron Oronite Company LLC
    Inventors: Yat Fan Suen, Julian H. McLain
  • Patent number: 10077410
    Abstract: Disclosed is a lubricating oil composition comprising an oil of lubricating viscosity and an oil soluble synergistic mixture of antioxidants, said mixture comprising: a) a hindered amine antioxidant according to formula (I) wherein each R1 is independently selected from a substituted or unsubstituted, branched or linear, C1-C20 hydrocarbyl group; R2 is selected from the group consisting of a hydrogen atom or a, substituted or unsubstituted, branched or linear, C1-C20 hydrocarbyl group; each R3 is independently selected from the group consisting of a hydrogen atom or a, substituted or unsubstituted, branched or linear, C1-C20 hydrocarbyl group; each R4 is independently selected from the group consisting of a hydrogen atom or a, substituted or unsubstituted, branched or linear, C1-C20 hydrocarbyl group; n is an integer from 1 to 4; and m is an integer from 1 to 5; and b) a molybdenum succinimide complex.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: September 18, 2018
    Assignee: Chevron Oronite Company LLC
    Inventor: Xuelei Lily Qian
  • Publication number: 20180251691
    Abstract: Provided herein are processes for ethylene oligomerization in the presence of an ionic liquid catalyst and a co-catalyst to produce a hydrocarbon product comprising C10-C55 oligomers.
    Type: Application
    Filed: March 2, 2018
    Publication date: September 6, 2018
    Applicants: Chevron U.S.A. Inc., Chevron Oronite Company LLC
    Inventors: Hye-Kyung Cho Timken, Bong-Kyu Chang, Curtis Bay Campbell, Andrew Michael Thomas, Mark Anthony Fernandez, Madeleine Sessions
  • Patent number: 9994786
    Abstract: Disclosed is an oil soluble polyester composition, suitable for use as a dispersant in lubricating oils. The oil soluble polyester composition is prepared by reacting (a) a hydrocarbyl-substituted succinic acylating agent and (b) a di-hydroxyalkyl-substituted tertiary amine compound selected from a N,N-di-hydroxyalkyl-substituted tertiary monoamine and a N,N?-di-hydroxyalkyl-substituted tertiary diamine.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: June 12, 2018
    Assignee: Chevron Oronite Company LLC
    Inventor: William Raymond Ruhe, Jr.
  • Patent number: 9982214
    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: Grant
    Filed: February 14, 2014
    Date of Patent: May 29, 2018
    Assignee: Chevron Oronite Company LLC
    Inventors: Kedar Shrestha, Shuhei Yamamoto