公开(公告)号：US12024667B2

公开(公告)日：2024-07-02

申请号：US18255725

申请日：2021-08-31

Applicant: ENEOS CORPORATION

Inventor： Akira Tada ,  Yasushi Onumata ,  Noriko Ayame ,  Yohei Susukida

IPC: C09K5/10

CPC classification number: C09K5/10

Abstract: A cooling liquid composition including: a hydrocarbon fluid having a mass-based average carbon number of 13 or more and 16 or less in which a total amount of a hydrocarbon having 13 or more and 15 or less carbon atoms is 50% by mass or more relative to an entire amount of the hydrocarbon fluid.

公开(公告)号：US11555159B2

公开(公告)日：2023-01-17

申请号：US17290496

申请日：2019-11-06

Applicant: ENEOS Corporation

Inventor： Yohei Susukida ,  Yasushi Onumata ,  Akira Tada ,  Noriko Ayame

IPC: C10M141/10 ,  C10M169/04 ,  C10M129/54 ,  C10M133/12 ,  C10M133/44 ,  C10M135/10 ,  C10M137/02 ,  C10M139/00 ,  C10M177/00 ,  C10N40/00 ,  C10N30/04 ,  C10N30/02 ,  C10N30/10 ,  C10N30/14 ,  C10N40/04 ,  C10N30/00 ,  C10N40/25 ,  C10N70/00

Abstract: A lubricating oil composition including: a lubricant base oil; (A) a triazole metal deactivator in an amount of 0.005 to 0.03 mass % in terms of nitrogen on the basis of the total mass of the composition; and (B1) a succinimide compound represented by the following general formula (1) in an amount of 0.0005 to 0.02 mass % in terms of nitrogen on the basis of the total mass of the composition: wherein in the general formula (1), R1 and R2 each independently represent a hydrogen atom or a C1-36 linear or branched chain alkyl or alkenyl group, and at least one of R1 and R2 is a C8-36 linear or branched chain alkyl or alkenyl group, and n represents an integer of 1 to 10.

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：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.