公开(公告)号：US12234422B2

公开(公告)日：2025-02-25

申请号：US17924616

申请日：2021-05-17

Applicant: EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY

Inventor： Lisa I. Yeh ,  Camden N. Henderson ,  Percy R. Kanga

IPC: C10M101/02 ,  C10M169/04 ,  C10N20/02 ,  C10N30/02 ,  C10N30/10 ,  C10N40/04 ,  C10N40/25 ,  C10N70/00

Abstract: A method for producing a deposit resistant fluid includes combining a base stock and one or more additives to form a blended fluid configured to resist forming deposits in an oxidizing environment. The base stock has a viscosity index of at least 80, and either a kinematic viscosity at 40° C. of at least 320 cSt or a kinematic viscosity at 100° C. of at least 14 cSt. The base stock includes greater than or equal to about 90 wt % saturates, less than or equal to about 10 wt % aromatics, and a sum of terminal/pendant propyl groups and terminal/pendant ethyl groups of at least 1.7 per 100 carbon atoms.

公开(公告)号：US12203045B2

公开(公告)日：2025-01-21

申请号：US18037216

申请日：2021-11-16

Applicant: SONGWON INDUSTRIAL CO., LTD.

Inventor： Jun Dong ,  Jeonkyu Lee ,  Gerard Mulqueen

IPC: C10M133/12 ,  C10N20/00 ,  C10N20/02 ,  C10N30/00 ,  C10N30/10 ,  C10N30/12

Abstract: The present invention relates to a composition comprising alkylated diphenylamines of the structural formulas (I), (II), (III), and (IV), to industrial products such as additive blends, engine oils, and polymer compositions comprising the mixture of alkylated diphenylamines, and to the use of the mixture as an additive such in industrial products such as additive blends, engine oils and polymer compositions: wherein R is a branched C4-C16-alkyl group, and wherein the total amount of tetra-alkylated diphenylamines of the structural formula (IV) is in the range from 0.20 to 3.5 wt. %, based on the total weight of alkylated diphenylamines of the structural formula (I), (II), (III), and (IV) in the composition.

公开(公告)号：US12173251B2

公开(公告)日：2024-12-24

申请号：US18253795

申请日：2021-12-16

Applicant: SHELL OIL COMPANY

Inventor： Leonard Joachim Kieckebusch ,  Christopher Claus Dobrowolski

IPC: C10M169/04 ,  C10M105/34 ,  C10M105/42 ,  C10M129/70 ,  C10M145/14 ,  C10M155/02 ,  C10M157/10 ,  C10M161/00 ,  C10N20/00 ,  C10N20/02 ,  C10N30/02 ,  C10N30/04 ,  C10N30/06 ,  C10N30/10 ,  C10N30/18 ,  C10N40/00 ,  C10N40/04

Abstract: Implementations of the disclosed subject matter provide a lubricating composition for use as a transmission fluid in an electric vehicle. The lubricating composition may include at least 70 wt %, based on the overall weight of the lubricating composition, of a biodegradable ester base oil with a kinematic viscosity at 100° C. in the range of 2.5 to 7.0 mm2/s. The ester is biodegradable according to OECD test guidelines series 301. The composition may also include at least 0.5 wt % and no more than 10 wt %, based on the overall weight of the lubricating composition, of a viscosity index improver which is at least one high viscosity ester with a kinematic viscosity at 100° C. of at least 1000 mm2/s; an anti-foam additive selected from silicone oil based antifoam additives and polyacrylate antifoam additives. Also disclosed is a process for lubricating an electric vehicle drive train comprising a transmission by applying the lubricating composition to the transmission.

公开(公告)号：US12173246B2

公开(公告)日：2024-12-24

申请号：US17773438

申请日：2019-10-30

Applicant: VGP IPCO LLC

Inventor： Shibaji Kumar Ghosh ,  Sulaksha Parab ,  Keshav Sopan Badhe ,  Gefei Wu ,  Ning Ren ,  Frances E. Lockwood

IPC: C10M127/02 ,  C07C9/22 ,  C10M169/04 ,  C10N20/02 ,  C10N30/02 ,  C10N30/18 ,  C10N40/04

Abstract: Traction fluids comprising Formula I, II, III, IV, V, VI, VII or a mixture thereof in combination with a base stock, a viscosity modifier, an anti-foaming agent, and an additive package.

公开(公告)号：US12163105B2

公开(公告)日：2024-12-10

申请号：US18011932

申请日：2021-06-21

Applicant: TOTAL ENERGIES ONETECH

Inventor： Benoît Thiebaut ,  Chantal Boyer

IPC: C10M173/02 ,  C10N10/02 ,  C10N20/02 ,  C10N30/00 ,  C10N40/02 ,  C10N40/04 ,  C10N40/25

Abstract: The present invention relates to an aqueous lubricant composition for the lubrication of a stationary or mobile drive system, comprising at least: deionized water; at least one polyalkylene glycol; at least one antifreeze compound chosen from glycols, and at least one phosphorus compound.
It also relates to the use of this aqueous lubricant composition for the lubrication and cooling of a stationary or mobile drive system.

公开(公告)号：US12139687B2

公开(公告)日：2024-11-12

申请号：US18468915

申请日：2023-09-18

Applicant: Kraton Chemical, LLC

Inventor： Lloyd A. Nelson ,  Gerald Heebner ,  Charles D. Moses ,  Jeremie Pichereau ,  Sara Frattini

IPC: C10M145/00 ,  C10M169/04 ,  C10N20/00 ,  C10N20/02 ,  C10N20/04 ,  C10N30/06 ,  C10N40/00 ,  C10N40/04 ,  C10N40/08 ,  C10N50/10

Abstract: The disclosure relates to a lubricating composition consisting essentially of a decarboxylated rosin acid (DCR), a base oil, and optional additives, and methods for using same. The decarboxylated rosin acid has a density of 0.9 to 1.0 g/cm3 at 20° C., a viscosity of 15 to 60 cSt at 40° C., and an acid value of

公开(公告)号：US12139686B2

公开(公告)日：2024-11-12

申请号：US18205732

申请日：2023-06-05

Applicant: The Lubrizol Corporation

Inventor： John G. Loop ,  Mary Galic Raguz

IPC: C10M129/10 ,  C10M135/08 ,  C10M137/06 ,  C10M149/12 ,  C10M161/00 ,  C10N10/04 ,  C10N20/02 ,  C10N20/04 ,  C10N30/02 ,  C10N30/04 ,  C10N40/25

Abstract: The disclosed technology provides a lubricating composition and a method of lubricating an internal combustion engine where the lubricating composition contains an oil of lubricating viscosity, one or more metal-containing, sulfur-free, alkyl-phenol based detergents, an alkaline earth metal sulfonate detergent, a polyisobutenyl succinimide dispersant, and a dispersant viscosity modifier having a number average molecular weight of at least 20,000.
The lubricating composition of the present invention can be formulated to have lower HTHS viscosity, and reduced phosphorous content, while providing protection against adhesive wear.

公开(公告)号：US20240368493A1

公开(公告)日：2024-11-07

申请号：US18651091

申请日：2024-04-30

Applicant: ExxonMobil Technology and Engineering Company

Inventor： Zhisheng GAO ,  Winfried KOCH ,  Nicholas W. MCBRIDE ,  Dana J. GARY

IPC: C10M111/04 ,  C10L1/04 ,  C10M105/38 ,  C10M107/08 ,  C10M129/10 ,  C10M133/12 ,  C10M141/06 ,  C10M169/04 ,  C10N20/02 ,  C10N30/00 ,  C10N30/02 ,  C10N30/10 ,  C10N40/25

Abstract: A lubricant composition may be of use in lubrication of an internal combustion engine. A method of utilizing such a lubricant composition may include: lubricating an internal combustion engine using a lubricant composition comprising: from about 30.0 mass % to about 99.8 mass % of an oil base stock, based on a total mass of the lubricant composition, the oil base stock comprising at least one polyol ester; and from 1.0 mass % to 30.0 mass % polyisobutylene, based on a total mass of the lubricant composition; and combusting a fuel in the internal combustion engine.

公开(公告)号：US20240343989A1

公开(公告)日：2024-10-17

申请号：US18294224

申请日：2022-08-29

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Kenji GOTO ,  Yusuke NAKANISHI ,  Keizo MURATA

IPC: C10M105/76 ,  B01J3/06 ,  C10N20/02 ,  C10N40/00

CPC classification number: C10M105/76 ,  B01J3/06 ,  C10N2020/02 ,  C10N2040/44

Abstract: A pressure medium containing at least one Group-14 element-containing organic compound (A) selected from the group consisting of a compound (A1) represented by the general formula (a1) and a compound (A2) represented by the general formula (a2):




where each of Ra11, Ra12, Ra13, and Ra14 independently represents an alkyl group having 3 to 6 carbon atoms, and Za1 represents a carbon atom or a silicon atom:




where each of Ra21, Ra22, Ra23, and Ra24 independently represents an alkyl group having 3 to 6 carbon atoms, and Za2 represents a silicon atom, a germanium atom, a tin atom, or a lead atom.

公开(公告)号：US20240318095A1

公开(公告)日：2024-09-26

申请号：US18578257

申请日：2022-07-15

Applicant: MITSUI CHEMICALS, INC.

Inventor： Shota ABE ,  Hirotaka KANAYA

IPC: C10M143/04 ,  C08F210/16 ,  C10M169/04 ,  C10N20/02 ,  C10N20/04 ,  C10N30/02 ,  C10N40/08

CPC classification number: C10M143/04 ,  C08F210/16 ,  C10M169/041 ,  C08F2420/07 ,  C10M2203/003 ,  C10M2205/024 ,  C10N2020/02 ,  C10N2020/04 ,  C10N2030/02 ,  C10N2040/08

Abstract: A viscosity modifier for lubricating oil, including an (C) ethylene-α-olefin copolymer having an ethylene molar content rate within a range of 30 to 70 mol %, a rotational viscosity at 150° C. of 300 to 8,000 mPa's, a Hasen chromaticity of 30 or lower, a molecular weight distribution (Mw/Mn) of 2.5 or less, and a B value of 1.1 or more; a lubricating oil composition with a lubricating oil base oil including a (A) mineral oil having a kinematic viscosity at 40° C. of 10 to 100 mm2/s, a viscosity index of 90 or more, and a pour point of 0° C. or lower and/or a (B) synthetic oil having a kinematic viscosity at 40° C. of 4 to 100 mm2/s, a viscosity index of 90 or more and a pour point of −30° C. or lower; and the viscosity modifier having has a kinematic viscosity at 40° C. of 28 to 170 mm2/s.