Abstract: Fuel composition for preventing or reducing low speed pre-ignition events in a spark-ignited internal combustion engine is provided. The fuel composition includes a hydrocarbon fuel boiling the gasoline or diesel range and a primary additive having a structure given by or a salt thereof. A is a ring moiety; R1 and R2 are independently H, C1-C20 hydrocarbyl group, carboxyl group, ether, or hydroxyl group. R 3 and R 4 are independently H, C1-C20 hydrocarbyl group, carboxyl group, ether, amino, or hydroxyl group or wherein R 3 and R 4 are part of a cyclic group. R5 is C1-C100 hydrocarbyl group, carboxyl group, ether, or hydroxyl group; and p is 0 to 2, n is 1 to 3, m is 1 to 3, and p+n+m is less than 5.
Type:
Application
Filed:
March 24, 2022
Publication date:
May 9, 2024
Applicant:
CHEVRON ORONITE COMPANY LLC
Inventors:
Edward (Jiun-Le) SHIH, Chung-Hao KUO, Charles Paul LOEPER
Abstract: A lubricating oil composition is described. The composition includes a major amount of a base oil of lubricating viscosity and a polyphosphate-based dispersion. The dispersion includes an ammonium polyphosphate and a dispersing agent.
Abstract: Method for preventing or reducing low speed pre-ignition events in a spark-ignited internal combustion engine is provided. The method includes supplying to the engine the lubricant composition comprising a primary additive having a structure given by or a salt thereof. R1 and R2 are independently H, C1-C20 hydrocarbyl group, carboxyl group, ester, amide, ketone, ether, or hydroxyl group. R3 and R4 are independently H, C1-C20 hydrocarbyl group, carboxyl group, ester, amide, ketone, ether, amino, or hydroxyl group or wherein R3 and R4 are part of a cyclic group. R5 is C1-C100 hydrocarbyl group, carboxyl group, ether, or hydroxyl group. Lastly, p is 0 to 2, n is 1 to 5, m is 0 to 2, and p+n+m is less than 6.
Type:
Application
Filed:
March 24, 2022
Publication date:
March 28, 2024
Applicant:
CHEVRON ORONITE COMPANY LLC
Inventors:
Edward (Jiun Le) SHIH, Chung-Hao KUO, Charles Paul LOEPER, Jeanelle SMOOT
Abstract: This disclosure describes an ashless lubricant additive. The additive is a tertiary amine-containing compound having the following structure: where R1 and R2 are independently a linear or branched-chain monovalent hydrocarbyl group having two to about twenty carbon atoms, each m is independently from 0 to 2, each p is independently from 0 to 2, for each cyclic moiety m+p is from 2 to 4, and each n is independently from 1 to 6.
Type:
Application
Filed:
September 29, 2021
Publication date:
March 21, 2024
Applicants:
CHEVRON ORONITE COMPANY LLC, CHEVRON JAPAN LTD.
Inventors:
William Raymond RUHE, JR., Masami FUCHI, Seyedeh Mahboobeh HOSSEINI
Abstract: Provided is a lubricating oil composition that includes a major amount of a lubricant base oil and a minor amount of a viscosity index improver comprising a syndiotactic propylene-based ethylene-propylene copolymer comprising: a) 2 to 20% by weight of ethylene, b) 80 to 98% by weight of propylene; c) 50 to 99% of rr triads; and d) Mw (LS) of 10 to 250 kg/mol.
Type:
Grant
Filed:
November 4, 2022
Date of Patent:
March 12, 2024
Assignees:
EXXONMOBIL CHEMICAL PATENTS INC., CHEVRON ORONITE COMPANY LLC
Inventors:
Sara Yue Zhang, Maryam Sepehr, David L. Morgan, Jingwen Zhang, Jo Ann M. Canich, Peijun Jiang, John R. Hagadorn, Chase A. Eckert, Sarah J. Mattler, Shuhui Kang, Pritesh Arjunbhai Patel
Abstract: A fuel composition is described. The composition contains gasoline and an aryloxy alkylamine additive. The structure of the aryloxy alkylamine additive is given by where the aryloxy alkylamine additive is present in about 10 to about 750 ppm by weight based on total weight of the fuel composition. X is a hydrocarbyl group having 1 or 2 carbon atoms. R1 and R2 are independently hydrogen or substituted hydrocarbyl group having up to 36 carbon atoms.
Type:
Application
Filed:
September 15, 2021
Publication date:
January 25, 2024
Applicants:
CHEVRON ORONITE COMPANY LLC, CHEVRON U.S.A. INC.
Inventors:
Man Kit NG, Richard Eugene CHERPECK, Carrie Y. CHAN, Kriston George MENDENHALL, Andrew M. ICKES, Peter A. FUENTES-AFFLICK, Justin WANG
Abstract: Disclosed herein are improved lubricating compositions effective to prevent or reduce low speed pre-ignition in an engine, as well as to prevent or reduce corrosion of engine components. The lubricating compositions include a base oil combined with a calcium chelate complex, optionally in further combination with additional additives.
Type:
Grant
Filed:
March 4, 2020
Date of Patent:
October 31, 2023
Assignees:
CHEVRON ORONITE COMPANY LLC, CHEVRON U.S.A. INC.
Inventors:
Ian G. Elliott, Amir Gamal Maria, Richard Eugene Cherpeck, Theresa Liang Gunawan
Abstract: A dispersant composition is described. The composition includes a succinimide dispersant composition comprising a reaction product of a hydrocarbyl succinimide and a heteroaromatic glycidyl ether having a structure: wherein R1 is a heteroaryl or heteroarylalkyl group having 4 to 20 carbon atoms, and R2 and R3 are independently a hydrogen atom, an alkyl group, or an aryl group.
Abstract: Disclosed is a lubricating oil composition comprising (a) a major amount of an oil of lubricating viscosity having a kinematic viscosity at 100° C. in a range of about 2 to about 50 mm2/s; (b) a hydrocarbyl succinimide dispersant; (c) a borated hydrocarbyl succinimide dispersant; and (d) a hydrocarbyl 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.
Abstract: This disclosure describes a lubricant additive. The additive is a friction modifier that includes a molybdenum containing compound and a tertiary amine-containing composition having the following structure: wherein each R1 and R5 is independently a linear or branched-chain monovalent hydrocarbyl group having one to about twenty carbon atoms, wherein each R2, R3, and R4 is independently a hydrogen, a linear or branched-chain monovalent hydrocarbyl group having one to about twenty carbon atoms, each m is independently from 0 and 4, each p is independently from 0 and 4, for each cyclic moiety m+p is from 2 and 4, and each n is independently from 1 and 6.
Type:
Application
Filed:
October 5, 2021
Publication date:
September 14, 2023
Applicants:
CHEVRON JAPAN LIMITED, CHEVRON ORONITE COMPANY LLC
Inventors:
Taiki HATTORI, Koichi KUBO, William Raymond RUHE JR.
Abstract: A lubricating oil composition is described. The composition includes a base oil, a first succinimide dispersant composition comprising a reaction product of a hydrocarbyl succinimide and an aromatic glycidyl ether having a structure: wherein R1 is an aryl or alkaryl group having 4 to 20 carbon atoms, and R2 and R3 are independently a hydrogen atom, an alkyl group, or an aryl group; and a second succinimide dispersant.
Type:
Application
Filed:
July 22, 2021
Publication date:
August 17, 2023
Applicant:
CHEVRON ORONITE COMPANY LLC
Inventors:
William Raymond RUHE JR, Seyedeh Mahboobeh HOSSEINI
Abstract: Disclosed is a method for reducing corrosion in a hybrid engine. The method includes the steps of lubricating a hybrid engine with a lubricating oil composition having a major amount of an oil of lubricating viscosity; a minor amount of a salicylate detergent derived from an isomerized normal alpha olefin; and a minor amount of a dispersant.
Type:
Application
Filed:
July 20, 2021
Publication date:
August 10, 2023
Applicants:
CHEVRON JAPAN LTD., CHEVRON ORONITE COMPANY LLC
Inventors:
Isao TANAKA, John Robert MILLER, Kyosuke AOYAMA
Abstract: Disclosed is a method for maintaining emulsion stability in a hybrid engine. The method involves lubricating and operating the hybrid engine with a lubricating oil composition having a major amount of an oil of lubricating viscosity; minor amount of a magnesium containing detergent, and a minor amount of a borated dispersant.
Type:
Application
Filed:
July 20, 2021
Publication date:
August 3, 2023
Applicants:
CHEVRON JAPAN LTD., CHEVRON ORONITE COMPANY LLC
Abstract: A method for improving low temperature performance of a lubricant in a compression-ignited internal combustion engine is disclosed. The method comprises operating the engine with a monograde lubricating oil composition comprising (a) a major amount of a base oil of lubricating viscosity; and (b) a minor amount of an overbased alkaline earth metal salt of an alkyl-substituted hydroxyaromatic compound, the alkyl substituent being a residue derived from an isomerized alpha-olefin having from 12 to 40 carbon atoms per molecule.
Type:
Grant
Filed:
August 20, 2021
Date of Patent:
June 6, 2023
Assignees:
Chevron Oronite Company LLC, Chevron Oronite Technology B.V.
Inventors:
Mia Gill, Wilhelmus Petrus Antonie van Houten
Abstract: A lubricating oil composition is provided which comprises (a) greater than 50 wt. % of a base oil of lubricating viscosity; and (b) 0.1 to 40 wt. % of an overbased alkaline earth metal alkyl-substituted hydroxyaromatic carboxylate, wherein the alkyl substituent is a residue derived from an isomerized alpha-olefin having from 12 to 40 carbon atoms, and having a TBN, on an actives basis, of less than 600 mg KOH/g, as determined by ASTM D 2896; wherein the lubricating oil composition is a monograde lubricating oil composition meeting specifications for SAE J300 revised January 2015 requirements for a SAE 20, 30, 40, 50, or 60 monograde engine oil, and has a TBN of 5 to 200 mg KOH/g, as determined by ASTM D2896.
Type:
Grant
Filed:
August 20, 2021
Date of Patent:
June 6, 2023
Assignees:
Chevron Oronite Company LLC, Chevron Oronite Technology B.V.
Inventors:
Mia Gill, Wilhelmus Petrus Antonie van Houten
Abstract: A lubricating oil composition is provided which comprises (a) greater than 50 wt. % of a base oil of lubricating viscosity; and (b) 0.1 to 20 wt. % of an alkyl-substituted hydroxyaromatic carboxylic acid, wherein the alkyl substituent of the alkyl-substituted hydroxyaromatic carboxylic acid has from 12 to 40 carbon atoms; wherein the lubricating oil composition is a monograde lubricating oil composition meeting specifications for SAE J300 revised January 2015 requirements for a SAE 20, 30, 40, 50, or 60 monograde engine oil, and has a TBN of 5 to 200 mg KOH/g, as determined by ASTM D2896.
Type:
Grant
Filed:
June 20, 2019
Date of Patent:
May 23, 2023
Assignee:
CHEVRON ORONITE COMPANY LLC
Inventors:
Wilhelmus Petrus Antonie van Houten, Ronald Theodorus Fake Jukes, Todd Brookhart
Abstract: The present disclosure provides a hydroxyaromatic product. The alkyl hydroxyaromatic compound having a structure given by where R is a hydroxyaromatic group, X is hydrogen or methyl group and where n is 1 or greater.
Type:
Application
Filed:
February 11, 2021
Publication date:
March 23, 2023
Applicants:
CHEVRON ORONITE COMPANY LLC, CHEVRON U.S.A. INC.
Abstract: Lubricating oil composition is provided. The composition includes several components including a base oil, a primary antioxidant including alkylated diphenylamines having an alkyl group derived from a propylene tetramer; and a sulfonate detergent.