公开(公告)号：US20230039111A1

公开(公告)日：2023-02-09

申请号：US17792362

申请日：2021-01-15

Applicant: Idemitsu Kosan Co.,Ltd.

Inventor： Yasuhito NAKAHARA ,  Hiroyuki TATSUMI ,  Keiichi NARITA ,  Koki ITO

IPC: C10M131/04 ,  C10M101/02 ,  C10M169/04

Abstract: A lubricating oil composition which contains a base oil and a fluorine compound and may have improved cooling performance. The base oil may contain a mineral oil. The base oil may have a kinematic viscosity in a range of from 1 to 25 mm2/s at 40° C. The content of the fluorine compound may be in a range of from 3 to 30% by weight based on the total amount of the composition.

公开(公告)号：US20170158982A1

公开(公告)日：2017-06-08

申请号：US15367765

申请日：2016-12-02

Applicant: IDEMITSU KOSAN CO., LTD. ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Kazushi TAMURA ,  Koki ITO ,  Toyoharu KANEKO ,  Kazuo YAMAMORI

IPC: C10M169/04 ,  C10M135/18

CPC classification number: C10M169/04 ,  C10M135/18 ,  C10M163/00 ,  C10M2201/087 ,  C10M2203/1006 ,  C10M2203/1025 ,  C10M2207/023 ,  C10M2207/026 ,  C10M2207/262 ,  C10M2207/28 ,  C10M2207/283 ,  C10M2209/084 ,  C10M2215/02 ,  C10M2215/04 ,  C10M2215/06 ,  C10M2215/064 ,  C10M2215/08 ,  C10M2215/086 ,  C10M2215/223 ,  C10M2215/26 ,  C10M2215/28 ,  C10M2219/044 ,  C10M2219/046 ,  C10M2219/066 ,  C10M2219/068 ,  C10M2223/045 ,  C10M2227/00 ,  C10M2227/061 ,  C10N2230/02 ,  C10N2230/04 ,  C10N2230/06 ,  C10N2230/10 ,  C10N2230/44 ,  C10N2230/45 ,  C10N2230/52 ,  C10N2230/54 ,  C10N2230/68 ,  C10N2240/10 ,  C10N2260/14 ,  C10N2210/02 ,  C10N2210/06 ,  C10N2220/022

Abstract: The lubricating oil composition of the present invention is a lubricating oil composition containing a lubricating base oil, a metal-based detergent, a molybdenum dialkyldithiocarbamate compound, and a boron-containing compound, wherein the metal-based detergent contains a calcium salicylate and at least one selected from the group consisting of a calcium sulfonate and a magnesium-based detergent; the lubricating oil composition arbitrarily contains an ashless friction modifier; the content of a calcium atom is 0.12 to 0.16 mass % on the basis of the whole amount of the lubricating oil composition; the content of a molybdenum atom is 0.05 to 0.10 mass % on the basis of the whole amount of the lubricating oil composition; and a predetermined coefficient X is less than 0.050.

公开(公告)号：US20150218482A1

公开(公告)日：2015-08-06

申请号：US14607269

申请日：2015-01-28

Applicant: IDEMITSU KOSAN CO., LTD. ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Koki ITO ,  Kosuke FUJIMOTO ,  Minoru YAMASHITA

IPC: C10M161/00

CPC classification number: C10M161/00 ,  C10M169/048 ,  C10M2205/022 ,  C10M2205/026 ,  C10M2205/04 ,  C10M2207/026 ,  C10M2209/084 ,  C10M2215/221 ,  C10M2215/28 ,  C10M2223/045 ,  C10N2230/02 ,  C10N2230/04 ,  C10N2230/06 ,  C10N2230/10 ,  C10N2230/42 ,  C10N2230/50 ,  C10N2230/54 ,  C10N2230/68 ,  C10N2230/74 ,  C10N2240/10 ,  C10N2240/102 ,  C10N2240/104 ,  C10M2207/027 ,  C10N2210/02 ,  C10M2207/028 ,  C10M2207/144 ,  C10M2207/262 ,  C10M2219/044 ,  C10M2219/046 ,  C10N2220/021 ,  C10M2205/06 ,  C10M2205/028

Abstract: [Problem]To provide a lubricating oil composition capable of attaining high-level fuel efficiency, durability and piston detergency in internal-combustion engines.[Means for Resolution]The lubricating oil composition according to the present invention contains a viscosity index improver and a metallic detergent in at least one base oil selected from mineral oils and synthetic oils therein, wherein the viscosity index improver contains a polymethacrylate viscosity index improver and an olefin copolymer viscosity index improver, the polymethacrylate viscosity index improver is contained in an amount of from 3.0% by mass to 9.5% by mass based on the total amount of the lubricating oil composition, the metallic detergent is at least one selected from calcium sulfonate, calcium phenate and calcium salicylate, the calcium amount derived from the metallic detergent is from 500 ppm to 1500 ppm based on the total amount of the lubricating oil composition, the high-temperature high-shear viscosity at 150° C. of the lubricating oil composition is 2.6 mPa·s or more, the high-temperature high-shear viscosity at 80° C. of the lubricating oil composition is 7.8 mPa·s or less, and the ratio of the high-temperature high-shear viscosity at 100° C. of the lubricating oil composition to the high-temperature high-shear viscosity at 150° C. thereof is 2.05 or less.

Abstract translation: [问题]提供能够获得内燃机中的高水平燃料效率，耐久性和活塞洗涤性的润滑油组合物。 [解决方法]根据本发明的润滑油组合物在至少一种选自矿物油和合成油中的基础油中含有粘度指数改进剂和金属洗涤剂，其中粘度指数改进剂含有聚甲基丙烯酸酯粘度指数改进剂和 烯烃共聚物粘度指数改进剂，基于润滑油组合物的总量，聚甲基丙烯酸酯粘度指数改进剂的含量为3.0质量％至9.5质量％，金属洗涤剂为选自磺酸钙中的至少一种 ，酚酸钙和水杨酸钙，基于润滑油组合物的总量，来自金属洗涤剂的钙量为500ppm至1500ppm，润滑油在150℃下的高温高剪切粘度 组成为2.6mPa·s以上，润滑油组合物的80℃下的高温高剪切粘度i s 7.8mPa·s以下，润滑油组合物在100℃下的高温高剪切粘度与150℃下的高温高剪切粘度的比为2.05以下。

公开(公告)号：US20230074611A1

公开(公告)日：2023-03-09

申请号：US17904439

申请日：2020-12-18

Applicant: Idemitsu Kosan Co.,Ltd.

Inventor： Masato YOKOMIZO ,  Koki ITO ,  Hidenori TORII ,  Shota KATO ,  Genki OKUYAMA

IPC: C10M171/00 ,  G01N21/64 ,  C10M127/04 ,  C10M133/12

Abstract: A lubricating oil composition having a fluorescent compound that emits a fluorescent light. The fluorescent compound has a property of deteriorating with relevance to a deterioration of the lubricating oil composition. A deterioration measurement device having a light emitter that emits an irradiation light toward a measurement target object including a fluorescent compound, a light receiver, and a sensor. A deterioration measurement system having a lubricating oil composition and a deterioration measurement device.

公开(公告)号：US20150322371A1

公开(公告)日：2015-11-12

申请号：US14652274

申请日：2013-12-18

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Hiroshi OKI ,  Yoriyuki TAKASHIMA ,  Koki ITO

IPC: C10M161/00

CPC classification number: C10M161/00 ,  C10M139/00 ,  C10M141/12 ,  C10M163/00 ,  C10M2203/1025 ,  C10M2207/262 ,  C10M2209/084 ,  C10M2215/042 ,  C10M2215/064 ,  C10M2215/28 ,  C10M2219/068 ,  C10M2223/045 ,  C10N2210/02 ,  C10N2210/06 ,  C10N2220/021 ,  C10N2230/02 ,  C10N2230/06 ,  C10N2240/10 ,  C10N2260/14 ,  C10N2270/00 ,  C10N2220/022

Abstract: A lubricant oil composition of the present invention that is prepared by blending a boron-containing compound therein, the boron-containing compound having a ratio of an integrated value of peaks in the 5 to 25 ppm chemical shift to an integrated value of peaks in the −10 ppm to 25 ppm chemical shift, as determined by 11B-NMR measurement in deuterochloroform using BF3.OEt2 as an external standard (0 ppm), of 0.5 or higher and 1.0 or lower.

Abstract translation: 本发明的润滑油组合物，其通过在其中混合含硼化合物而制备，所述含硼化合物的峰值在5至25ppm化学位移中的积分值的比值与 -10ppm至25ppm的化学位移，通过使用BF 3 OEt 2作为外部标准（0ppm）的氘氯仿中的11-NMR测定测定为0.5或更高和1.0或更低。