公开(公告)号：US20220002631A1

公开(公告)日：2022-01-06

申请号：US17290496

申请日：2019-11-06

Applicant: ENEOS Corporation

Inventor： Yohei SUSUKIDA ,  Yasushi ONUMATA ,  Akira TADA ,  Noriko AYAME

IPC: C10M169/04 ,  C10M133/44 ,  C10M129/54 ,  C10M137/02 ,  C10M141/10 ,  C10M177/00

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：US20210395634A1

公开(公告)日：2021-12-23

申请号：US17289961

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 ,  C10M135/10 ,  C10M133/44 ,  C10M139/00 ,  C10M133/12 ,  C10M137/02

Abstract: A lubricating oil composition including: a lubricant base oil; (A) a calcium salicylate detergent in an amount of 0.005 to 0.03 mass % in terms of calcium on the basis of the total mass of the composition; (B) a succinimide ashless dispersant in an amount of 0.005 to 0.25 mass % in terms of nitrogen on the basis of the total mass of the composition; (C) a nitrogen-containing antioxidant in an amount of 0.005 to 0.15 mass % in terms of nitrogen on the basis of the total mass of the composition; and optionally (D) a nitrogen-containing friction modifier in an amount of no more than 0.03 mass % in terms of nitrogen on the basis of the total mass of the composition, wherein a total content of any metallic detergent is 0.005 to 0.03 mass % in terms of metal on the basis of the total mass of the composition.

公开(公告)号：US20230332064A1

公开(公告)日：2023-10-19

申请号：US18028799

申请日：2021-09-24

Applicant: ENEOS Corporation

Inventor： Mayuko MATSUOKA ,  Kohei MASUDA ,  Noriko AYAME

IPC: C10M125/22 ,  C10M111/02 ,  C10M133/12 ,  C10M129/24 ,  C10M137/10 ,  C10M135/36

CPC classification number: C10M125/22 ,  C10M111/02 ,  C10M133/12 ,  C10M129/24 ,  C10M137/10 ,  C10M135/36 ,  C10N2020/02

Abstract: A lubricating oil composition including: a lubricant base oil having a kinematic viscosity at 40° C. of 6.0 to 12.0 mm2/s; (A) a succinimide dispersant having a polyisobutenyl group having a number average molecular weight of no less than 800, in an amount of no less than 80 mass ppm in terms of nitrogen and no more than 2.7 mass % as the entire compound; (B) a condensation reaction product of an alkyl- or alkenyl-succinic acid having a C8-30 alkyl or alkenyl group or anhydride thereof and a polyamine, or a modified product thereof, or any combination thereof, in an amount of 50 to 1300 mass ppm in terms of nitrogen, wherein the product of the weight average molecular weight of the component (A) and the amount of the component (A) as the entire compound (mass %) is no more than 16,000.

公开(公告)号：US20230159848A1

公开(公告)日：2023-05-25

申请号：US17922870

申请日：2021-06-04

Applicant: ENEOS CORPORATION

Inventor： Akira TAKAGI ,  Noriko AYAME

IPC: C10M157/10 ,  C10M169/04 ,  C10M145/16 ,  C10M145/14 ,  C10M155/02

CPC classification number: C10M157/10 ,  C10M169/041 ,  C10M145/16 ,  C10M145/14 ,  C10M155/02 ,  C10M2203/003 ,  C10M2229/041 ,  C10M2229/051 ,  C10M2209/086 ,  C10M2209/084 ,  C10N2030/18

Abstract: A defoaming agent obtainable by a process that includes: polymerizing (A) at least one polymerizable monomer in a composition, the composition comprising (C) a solvent and (B) at least one non-polymerizable polysiloxane dissolved in the (C) solvent, wherein the component (A) optionally comprises at least one Si-atom-containing monomer in an amount of less than 10 mass % on the basis of the total mass of the component (A).

公开(公告)号：US20240002714A1

公开(公告)日：2024-01-04

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：US20220204884A1

公开(公告)日：2022-06-30

申请号：US17602113

申请日：2020-04-10

Applicant: ENEOS CORPORATION

Inventor： Akira TAKAGI ,  Go TATSUMI ,  Noriko AYAME

IPC: C10M155/02 ,  C10M169/04 ,  C10M101/02 ,  C10M105/32 ,  C10M111/02 ,  C10M177/00 ,  B01D19/04

Abstract: A lubricating oil composition including: a lubricating base oil; (A) a first defoaming agent, the first defoaming agent being (A1) a first polymer, or (A2) a second polymer, or any combination thereof; and (B) a second defoaming agent, the second defoaming agent being a silicone defoaming agent, the (A1) first polymer including: a first polymer chain including a polysiloxane structure, the polysiloxane structure having a polymerization degree of 5 to 2000 and being represented by the following general formula (1); and a second polymer chain bonded with the first polymer chain, the second polymer chain including a repeating unit represented by the following general formula (2), the (A2) second polymer being a copolymer of a first monomer component and a second monomer component, the first monomer component represented by the general formula (7) or (8), the second monomer component represented by the general formula (9).