公开(公告)号：USRE50064E1

公开(公告)日：2024-07-30

申请号：US17852731

申请日：2022-06-29

Applicant: ENEOS CORPORATION ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Yohei Susukida ,  Takahiro Fukumizu ,  Takatoshi Shinyoshi ,  Daisuke Tokozakura

IPC: C10M135/36 ,  C10M129/54 ,  C10M133/44 ,  C10M137/02 ,  C10M141/10 ,  C10M145/14 ,  C10M161/00 ,  C10M169/04 ,  C10N20/04 ,  C10N30/02 ,  C10N30/04 ,  C10N40/04

CPC classification number: C10M169/044 ,  C10M129/54 ,  C10M133/44 ,  C10M135/36 ,  C10M137/02 ,  C10M141/10 ,  C10M145/14 ,  C10M161/00 ,  C10M2203/003 ,  C10M2207/144 ,  C10M2209/084 ,  C10M2215/30 ,  C10M2219/106 ,  C10M2223/049 ,  C10N2020/04 ,  C10N2030/02 ,  C10N2030/04 ,  C10N2040/04

Abstract: A lubricating oil composition including: a lubricating base oil; (A) a poly(meth)acrylate having a weight average molecular weight of no more than 50,000, in an amount of 2 to 10 mass %; (B) a phosphite ester of the general formula (1) in an amount of 0.01 to 0.06 mass % in terms of P; (C) a thiadiazole compound in an amount of 0.01 to 0.2 mass %; and (D) a Ca salicylate detergent in an amount of 0.005 to 0.03 mass % in terms of Ca, wherein the lubricating oil composition has a kinematic viscosity at 40° C. of 4.0 to 20.0 mm2/s, and a kinematic viscosity at 100° C. of 1.8 to 5.2 mm2/s; and has a ratio [S]/[P] of 2.2 to 4.0, wherein the [S] represents a sulfur content, and the [P] represents a phosphorus content:




wherein R1 and R2 are each independently a group having 5 to 20 carbons represented by the general formula (2); and





wherein R3 is a C2-17 linear chain hydrocarbon group, and R4 is a C2-17 linear chain hydrocarbon group.

公开(公告)号：US20230287290A1

公开(公告)日：2023-09-14

申请号：US18016559

申请日：2021-07-19

Applicant: TOTALENERGIES ONETECH

Inventor： Goulven BOUVIER ,  Hakim EL-BAHI

IPC: C10M153/04 ,  C10M169/04 ,  C10M137/10 ,  C10M135/36 ,  C10M141/10 ,  C10M161/00

CPC classification number: C10M153/04 ,  C10M169/044 ,  C10M137/105 ,  C10M135/36 ,  C10M141/10 ,  C10M161/00 ,  C10M2203/003 ,  C10M2225/00 ,  C10M2223/047 ,  C10M2219/106 ,  C10N2020/04

Abstract: A lubricating composition contains at least one base oil and at least one phosphite polymer having the formula (I) wherein each of R1, R2, R3 and R4 can be independently selected from the C1-C20 alkyl, C3-C22 alkenyl, C6-C40 cycloalkyl, C7-C40 cycloalkenyl, C1-20 methoxy alkyl glycol ethers and Y—OH groups; Y is selected from among the C2-C40 alkylene, C2-C40 alkyl lactone groups; —R7—(N(R8)—R9—, wherein R7, R8 and R9 are independently selected from among hydrogen, C1-C20 alkyl, C3-C22 alkenyl, C6-C40 cycloalkyl, C7-C40 cycloalkenyl, C1-20 methoxy alkyl glycol ethers; m is an integer from 2 to 100; and n is an integer from 1 to 1000.

公开(公告)号：US11535808B2

公开(公告)日：2022-12-27

申请号：US17287315

申请日：2019-10-21

Applicant: Idemitsu Kosan Co., Ltd.

Inventor： Kazushi Tamura

IPC: C10M135/18 ,  C10M169/00 ,  C10M169/04 ,  H01M10/613 ,  H01M10/6567 ,  C09K5/20 ,  C10M135/10 ,  C10M135/36 ,  C10M137/04 ,  C10M137/08 ,  C10M141/10 ,  C10N30/00 ,  C10N10/04 ,  C10N30/02 ,  C10N40/04 ,  C10N40/08

Abstract: A lubricating oil composition may include a base oil (A), a neutral phosphorus compound (B), an acidic phosphorus compound (C), a sulfur compound (D) and a metal salt (E) including a metal sulfonate, a metal salicylate, and/or a metal phenate, in which a content of the acidic phosphorus compound (C) in terms of phosphorus atoms is 10 to 180 ppm by mass based on the total amount of the lubricating oil composition, a content of the sulfur compound (D) in terms of sulfur atoms is 10 to 1000 ppm by mass based on the total amount of the lubricating oil composition, and a content of the metal salt (E) in terms of metal atoms is 5 to 180 ppm by mass based on the total amount of the lubricating oil composition.

公开(公告)号：US11512262B2

公开(公告)日：2022-11-29

申请号：US16494936

申请日：2018-03-15

Applicant: University of Ottawa

Inventor： Derek Andrew Pratt ,  Evan Haidasz

IPC: C10M169/04 ,  C07D498/04 ,  C07D513/04 ,  C07D513/14 ,  C10M133/48 ,  C10M135/36 ,  C10N30/10 ,  C10N40/25

Abstract: The present disclosure relates generally to antioxidants. More particularly, the present disclosure relates to lubricating compositions comprising an antioxidant.

公开(公告)号：US11492568B2

公开(公告)日：2022-11-08

申请号：US17118953

申请日：2020-12-11

Applicant: KEPCO NUCLEAR FUEL CO., LTD. ,  SHL CO., LTD.

Inventor： Min Young Park ,  Sang Jin Han ,  Ki Bum Park ,  Jung Woo Cha ,  Duk Hee Lee ,  Kyung Tae Kim ,  Pyeong Mo Yeo ,  Jeong Jin Jang ,  Sang Soon Choi

IPC: C10M169/04 ,  C10M125/10 ,  C10M127/02 ,  C10M129/08 ,  C10M135/10 ,  C10M135/36 ,  C10M141/08 ,  C10M159/06 ,  C10M163/00 ,  C10N40/20 ,  C10N30/06 ,  C10N30/12

Abstract: Disclosed is a composition of a lubricant for cold pilgering of zirconium alloy tubes. More particularly, disclosed is a composition of an internal lubricant for cold pilgering of a zirconium alloy cladding tube, the composition exhibiting excellent lubricity and decomposition against microbes.

公开(公告)号：US20220298449A1

公开(公告)日：2022-09-22

申请号：US17206888

申请日：2021-03-19

Applicant: Afton Chemical GmbH

Inventor： Ramnath Iyer ,  Christian Windel ,  Jörg Meyer-Berge

IPC: C10M169/04 ,  C10M135/36 ,  C10M143/06 ,  C10M133/08 ,  C10M135/06

Abstract: A lubricating and cooling fluid for an electric motor system including a lubricating base oil, at least one sulfurized component, a dispersant system comprising at least two dispersants, and a friction modifier system comprising at least two friction modifiers. The lubricating and cooling fluid provides good wear and friction performance as well as good copper corrosion and electrical conductivity for use in electric motor system.

公开(公告)号：US11414619B2

公开(公告)日：2022-08-16

申请号：US16761605

申请日：2018-11-08

Applicant: TOTAL MARKETING SERVICES

Inventor： Louis Plancq

IPC: C10M105/04 ,  C10M169/04 ,  C10M101/02 ,  C10M125/24 ,  C10M129/10 ,  C10M133/06 ,  C10M133/44 ,  C10M135/18 ,  C10M135/36 ,  C10M137/10 ,  C10M139/04 ,  C10M141/10 ,  C10N20/00 ,  C10N30/00 ,  C10N30/06 ,  C10N30/10 ,  C10N30/12 ,  C10N30/14 ,  C10N30/18 ,  C10N40/04

Abstract: A gear lubricant composition includes at least 97% by weight, based on the total weight of the lubricant composition, of at least one hydrocarbon-based oil that includes a weight content of isoparaffins ranging from 90 to 0%, a weight content of normal paraffins ranging from 0 to 10% and a carbon content of biological origin greater than or equal to 90% relative to the total weight of the oil, at least 0.01% by weight, based on the total weight of the lubricant composition, of at least one additive selected among the anti-wear additives, extreme pressure additives, anti-corrosion additives, additives having metal-deactivating properties, anti-foam additives, anti-oxidant additives selected among the phenolic anti-oxidants, and the mixtures thereof.

公开(公告)号：US11352582B2

公开(公告)日：2022-06-07

申请号：US15773605

申请日：2016-10-27

Applicant: The Lubrizol Corporation

Inventor： Jamal Kassir ,  William R. S. Barton ,  Paul E. Adams ,  Lisa Blanazs

IPC: C10M141/10 ,  C10M169/04 ,  C10M137/08 ,  C10M107/02 ,  C10M129/56 ,  C10M135/36 ,  C10N10/04 ,  C10N20/02 ,  C10N30/02 ,  C10N30/04 ,  C10N30/06 ,  C10N30/12 ,  C10N30/00 ,  C10N40/04 ,  C10N70/00

Abstract: A lubricant composition comprising an oil of lubricating viscosity and 0.01 to 5 percent by weight of a substantially sulfur-free alkyl phosphate amine salt, where at least 30 mole percent of the phosphorus atoms are in an alkyl pyrophosphate salt structure, exhibits good antiwear performance. In the phosphate amine salt, at least 80 mole percent of the alkyl groups are typically secondary alkyl groups of 3 to 12 carbon atoms.

公开(公告)号：US11214755B2

公开(公告)日：2022-01-04

申请号：US16842253

申请日：2020-04-07

Applicant: ENEOS Corporation ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Yohei Susukida ,  Takahiro Fukumizu ,  Takatoshi Shinyoshi ,  Daisuke Tokozakura

IPC: C10M135/36 ,  C10M169/04 ,  C10M137/02 ,  C10M129/54 ,  C10M133/44 ,  C10M141/10 ,  C10M161/00 ,  C10M145/14 ,  C10N40/04 ,  C10N20/04 ,  C10N30/04 ,  C10N30/02

Abstract: A lubricating oil composition including: a lubricating base oil; (A) a poly(meth)acrylate having a weight average molecular weight of no more than 50,000, in an amount of 2 to 10 mass %; (B) a phosphite ester of the general formula (1) in an amount of 0.01 to 0.06 mass % in terms of P; (C) a thiadiazole compound in an amount of 0.01 to 0.2 mass %; and (D) a Ca salicylate detergent in an amount of 0.005 to 0.03 mass % in terms of Ca, wherein the lubricating oil composition has a kinematic viscosity at 40° C. of 4.0 to 20.0 mm2/s, and a kinematic viscosity at 100° C. of 1.8 to 5.2 mm2/s; and has a ratio [S]/[P] of 2.2 to 4.0, wherein the [S] represents a sulfur content, and the [P] represents a phosphorus content: wherein R1 and R2 are each independently a group having 5 to 20 carbons represented by the general formula (2); and wherein R3 is a C2-17 linear chain hydrocarbon group, and R4 is a C2-17 linear chain hydrocarbon group.

公开(公告)号：US20210292676A1

公开(公告)日：2021-09-23

申请号：US16823946

申请日：2020-03-19

Applicant: CHEVRON JAPAN LTD.

Inventor： Koichi KUBO ,  Masami FUCHI ,  Naoya SASAKI ,  Takahiro NAKAGAWA ,  Satoshi OHTA

IPC: C10M133/44 ,  C10M135/36 ,  C10M137/08

Abstract: The present invention generally relates to lubricating oil compositions useful for automatic transmissions, and particularly transmission oils for automotive automatic transmissions in battery electrical vehicles (BEVs), hybrid vehicles (HVs) and plug-in hybrid vehicles (PHVs). The lubricant is free of metal compounds (e.g., Ca, Mo, or Zn) and demonstrates high volume resistivity, wear protection, and copper corrosion resistance.