Patents Assigned to Chevron Oronite Company LLC
  • Patent number: 11441477
    Abstract: Disclosed is a lubricating engine oil composition for use in down-sized boosted engines comprising a lubricating oil base stock as a major component, and at least one silane-containing compound. Also disclosed is a method for preventing or reducing low speed pre-ignition in a direct injected, boosted, spark ignited internal combustion engine, and the use of at least one silane-containing compound in a lubricating engine oil composition for preventing or reducing low speed pre-ignition in a direct injected, boosted, spark ignited internal combustion engine.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: September 13, 2022
    Assignees: CHEVRON ORONITE COMPANY LLC, CHEVRON U.S.A. INC.
    Inventors: John Robert Miller, Richard Eugene Cherpeck, Ian G. Elliott, Theresa Liang Gunawan, Amir Gamal Maria
  • Patent number: 11401482
    Abstract: Disclosed is a method for preventing or reducing low speed pre-ignition in an engine lubricated with a formulated oil. The formulated oil has a composition comprising at least one oil soluble or oil dispersible cobalt-containing compound.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: August 2, 2022
    Assignees: CHEVRON ORONITE COMPANY LLC, CHEVRON U.S.A. INC.
    Inventors: Ian G. Elliott, Richard E. Cherpeck, Amir Gamal Maria, Theresa Liang Gunawan
  • Publication number: 20220220410
    Abstract: This disclosure describes an ashless lubricant additive. The additive is a tertiary amine-containing compound having the following structure: where each R1 and R5 is independently a linear or branched-chain monovalent hydrocarbyl group having two to about twenty carbon atoms, where each R2, R3, and R4 is independently a hydrogen, a linear or branched-chain monovalent hydrocarbyl group having one to about twenty carbon atoms wherein at least one of R2, R3, and R4 is hydrogen, each m is independently from 0 to 2, each p is independently from 0 to 2, for each cylic moiety m+p is from 2 to 4, and each n is independently from 1 to 6.
    Type: Application
    Filed: March 31, 2022
    Publication date: July 14, 2022
    Applicants: CHEVRON ORONITE COMPANY LLC, CHEVRON JAPAN LTD.
    Inventors: William Raymond RUHE, JR., Masami FUCHI, Seyedeh Mahboobeh HOSSEINI
  • Publication number: 20220213401
    Abstract: The present disclosure generally relates to a lubricating oil composition comprising: a major amount of an oil of lubricating viscosity, one or more detergents comprising at least one alkylhydroxybenzoate compound, and an ashless sulfur compound. Also provided is a method of lubricating an engine with said lubricating oil composition.
    Type: Application
    Filed: September 3, 2020
    Publication date: July 7, 2022
    Applicants: CHEVRON ORONITE COMPANY LLC, CHEVRON JAPAN LTD.
    Inventors: Claire CHOMMELOUX, John Robert MILLER, Shelby A. SKELTON, Mark L. SZTENDEROWICZ, Alexander BOFFA, Isao TANAKA
  • Publication number: 20220145199
    Abstract: The present disclosure provides a fuel composition that includes hydrocarbon-based fuel boiling in the gasoline or diesel range; an amine-based detergent given by formula R1—O—(CH2)m—NHR2, wherein the additive is present in about 10 ppm to about 750 ppm by weight based on total weight of the fuel composition; wherein R1 is a hydrocarbylgroup having 8 to 20 carbons, R2 is hydrogen or (CH2)nNH2 moiety, and wherein m, n are independently integers having a value of 3 or greater; and one or more nitrogen-containing detergent.
    Type: Application
    Filed: July 7, 2021
    Publication date: May 12, 2022
    Applicants: CHEVRON ORONITE COMPANY LLC, CHEVRON U.S.A. INC
    Inventors: Chung-Hao KUO, William Raymond RUHE, JR., Man Kit NG, Peter A. FUENTES-AFFLICK, Andrew M. ICKES, Carrie Y. CHAN, Theresa Liang GUNAWAN
  • Patent number: 11274181
    Abstract: Provided herein are polyimide dispersants, as well as methods for producing polyimide dispersants. The polyimides can be defined by the formula below wherein A, individually for each occurrence, represents a cyclic diimide moiety represented by the structure below where B represents a cyclic moiety substituted with a first cyclic imide group and a second cyclic imide group; Y, individually for each occurrence, represents a bivalent linking group; L, individually for each occurrence, is absent or represents a cyclic imide group; R, individually for each occurrence, represents a polymeric tail; and n is an integer from 1 to 20.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: March 15, 2022
    Assignee: CHEVRON ORONITE COMPANY LLC
    Inventors: David Morgan, Roland Ma, Georgeta Masson
  • Patent number: 11248160
    Abstract: Disclosed are compositions and methods for use in oil and gas operations.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: February 15, 2022
    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: 11142715
    Abstract: Friction modifier and compositions containing the friction modifier as a fuel additive are provided. Methods for improving fuel efficiency using these compositions are also provided.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: October 12, 2021
    Assignees: CHEVRON U.S.A. INC., CHEVRON ORONITE COMPANY LLC
    Inventors: Theresa Liang Gunawan, Richard Eugene Cherpeck, Amir Gamal Maria
  • 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: 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
  • 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
  • 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