公开(公告)号：US20230265353A1

公开(公告)日：2023-08-24

申请号：US18005206

申请日：2021-07-21

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Shota KATO ,  Keiichi NARITA ,  Hiroaki KOSHIMA ,  Kenichi OGATA

IPC: C10M111/02 ,  C10M101/00 ,  C10M105/36 ,  C10M105/34

CPC classification number: C10M111/02 ,  C10M101/00 ,  C10M105/36 ,  C10M105/34 ,  C10M2203/1006 ,  C10M2207/2825 ,  C10M2207/2815 ,  C10N2030/02

Abstract: A lubricating oil composition may be superior in cooling performance, ensure electrical insulation, and have a high flash point. Such a lubricating oil composition may include a base oil (A) including an ester-based synthetic oil (A1), the content of the ester-based synthetic oil (A1) is 30% by mass to 100% by mass based on the total amount of the base oil (A), the ester-based synthetic oil (A1) is one or more of an ester (A1-1) of a monohydric alcohol and a monobasic acid and an ester (A1-2) of a monohydric alcohol and a polybasic acid, and the base oil (A) satisfies requirements (1) to (3): Requirement (1): the kinematic viscosity at 40° C. is 2.00 mm2/s to 4.00 mm2/s. Requirement (2): the specific heat at 20° C. is 1.75 kJ/(kg·K) or less. Requirement (3): the density at 20° C. is 0.850 g/cm3 or more.

公开(公告)号：US20210095221A1

公开(公告)日：2021-04-01

申请号：US16625997

申请日：2018-04-12

Applicant: Idemitsu Kosan Co.,Ltd.

Inventor： Kazushige MATSUBARA ,  Hiroaki KOSHIMA ,  Toshiaki IWAI ,  Hideki KAMANO

IPC: C10M133/44 ,  C10M169/04 ,  C07D207/40

Abstract: The present invention provides a compound represented by formula (1) (in formula (1), R1 and R2 each independently represent a group represented by formula (2) or NHR0 (where R1 and R2 are not simultaneously NHR0), R0 represents any one of hydrogen, an alkyl group having 1-20 carbon atoms, an alkenyl group having 2-30 carbon atoms, an aryl group having 6-30 carbon atoms, an alkylaryl group having 7-30 carbon atoms, and an arylalkyl group having 7-30 carbon atoms, each R3 independently represents hydrogen or a hydrocarbon group having 1-30 carbon atoms, l represents an integer of 0-4, m represents an integer of 1-4 (where m is an integer of 2-4 in the case where R1 and R2 are a group represented by formula (2)), and each n independently represents an integer of 0-4, and, in formula (2), R4 represents a hydrocarbon group having 6-24 carbon atoms, and X1 and X2 each independently represent an oxygen atom or a sulfur atom).

公开(公告)号：US20230365885A1

公开(公告)日：2023-11-16

申请号：US18245196

申请日：2021-09-30

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hiroaki KOSHIMA ,  Yusuke NAKANISHI

IPC: C10M169/04 ,  C10M125/22 ,  C10M125/02 ,  C10M125/24 ,  C10M133/22 ,  C10M129/74 ,  C10M129/76 ,  C10M129/40 ,  C10M141/06 ,  C10M177/00

CPC classification number: C10M169/04 ,  C10M125/22 ,  C10M125/02 ,  C10M125/24 ,  C10M133/22 ,  C10M129/74 ,  C10M129/76 ,  C10M129/40 ,  C10M141/06 ,  C10M177/00 ,  C10M2203/065 ,  C10M2207/0215 ,  C10M2201/085 ,  C10M2201/066 ,  C10M2201/041 ,  C10M2215/26 ,  C10M2201/084 ,  C10M2207/2895 ,  C10M2207/283 ,  C10M2207/126 ,  C10M2201/02 ,  C10N2070/02

Abstract: A complex including an active ingredient, and a surfactant. The active ingredient is one or more less-oil-soluble substances selected from the group consisting of a hardly-oil-soluble substance and an oil-insoluble substance, and the one or more less-oil-soluble substances function as an additive for lubricating oil. A method of making the complex.

公开(公告)号：US20210009918A1

公开(公告)日：2021-01-14

申请号：US17040711

申请日：2019-03-29

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Hiroaki KOSHIMA ,  Yoriyuki TAKASHIMA ,  Moritsugu KASAI

IPC: C10M143/18 ,  C08F8/46 ,  C08F110/08 ,  C10M129/76 ,  C10M161/00 ,  C10M169/04

Abstract: A dispersant for a lubricating oil, containing at least one compound selected from a specific nitrogen-containing compound which is obtained by using, as raw materials, (A) at least one polyolefin selected from polybutene and polyisobutene, (B) at least one maleic acid compound selected from maleic acid and maleic anhydride, and (C) polyamine; a boride of the specific nitrogen-containing compound; and an acylated product of the specific nitrogen-containing compound. The polyolefin (A) satisfies at least one of the following conditions (α) and (β). (α) a ratio (Sb/Sa) of an integrated value (Sb) of a peak present at 4.40 to 5.00 ppm in a 1H-NMR spectrum to an integrated value (Sa) of a peak present at 5.01 to 5.60 ppm in the 1H-NMR spectrum is 2 or more. (β) a ratio (Sd/Sc) of an integrated value (Sd) of a peak present at 1.76 to 2.10 ppm in the 1H-NMR spectrum to an integrated value (Sc) of a peak present at 1.65 to 1.75 ppm in the 1H-NMR spectrum is 1 or more.

公开(公告)号：US20170198232A1

公开(公告)日：2017-07-13

申请号：US15316638

申请日：2015-06-24

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Hiroaki KOSHIMA ,  Junichi DESHIMARU ,  Toshiaki IWAI

IPC: C10M133/40 ,  C10M133/06 ,  C07D295/13 ,  C10M133/16

CPC classification number: C10M133/40 ,  C07D295/13 ,  C10M133/06 ,  C10M133/16 ,  C10M2203/1025 ,  C10M2207/125 ,  C10M2207/126 ,  C10M2207/289 ,  C10M2215/04 ,  C10M2215/08 ,  C10M2215/221 ,  C10M2217/044 ,  C10N2220/027 ,  C10N2220/028 ,  C10N2230/06 ,  C10N2230/76 ,  C10N2240/04 ,  C10N2240/045 ,  C10N2270/00 ,  F16H57/0489 ,  C10N2220/022

Abstract: Through a lubricating oil additive including an amide compound represented by the following general formula (1) and a lubricating oil composition using the same, a lubricating oil additive and a lubricating oil composition exhibiting not only a high intermetal friction coefficient but also excellent intermetal friction-coefficient/slipping-velocity characteristics are provided. Ra—CO—(NH-L1)n-NRbRc   (1) In the formula, Ra is a straight-chain alkyl group having 8 to 22 carbon atoms or a branched-chain alkyl group having 8 to 22 carbon atoms, or a straight-chain alkenyl group having 8 to 22 carbon atoms or a branched-chain alkenyl group having 8 to 22 carbon atoms; L1 is an alkylene group having 1 to 6 carbon atoms; n is an integer of 1 to 4; and —NRbRc is a primary amino group or a piperazyl group.

公开(公告)号：US20140296115A1

公开(公告)日：2014-10-02

申请号：US14303917

申请日：2014-06-13

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Junya IWASAKI ,  Izumi TERADA ,  Hiroaki KOSHIMA

IPC: C10M133/40 ,  C10M133/44 ,  C10M133/46

CPC classification number: C10M133/38 ,  C10M129/20 ,  C10M133/40 ,  C10M133/42 ,  C10M133/44 ,  C10M133/46 ,  C10M133/48 ,  C10M135/34 ,  C10M135/36 ,  C10M2207/044 ,  C10M2215/22 ,  C10M2215/221 ,  C10M2215/222 ,  C10M2215/223 ,  C10M2215/224 ,  C10M2215/225 ,  C10M2219/102 ,  C10M2219/104 ,  C10M2219/106 ,  C10N2230/04 ,  C10N2230/08 ,  C10N2240/10

Abstract: Provided is a detergent-dispersant for a lubricant having excellent detergency and dispersibility effects. Specifically provided are: a detergent-dispersant including a heterocyclic compound having a heterocyclic skeleton derived from a compound selected from the group consisting of pyridines, pyrroles, pyrimidines, pyrazoles, pyridazines, imidazoles, pyrazines, triazines, triazoles, tetrazoles, oxazoles, oxadiazoles, thiazoles, thiadiazoles, furans, dioxanes, pyrans, and thiophenes; and an additive composition for a lubricant and a lubricant composition, each containing the detergent-dispersant.

Abstract translation: 本发明提供一种用于润滑剂的洗涤剂分散剂，其具有优异的去污力和分散性效果。 具体提供的是包括具有衍生自选自吡啶，吡咯，嘧啶，吡唑，哒嗪，咪唑，吡嗪，三嗪，三唑，四唑，恶唑，恶二唑等的化合物的杂环骨架的杂环化合物的洗涤剂分散剂。 噻唑，噻二唑，呋喃，二恶烷，吡喃和噻吩; 和用于润滑剂和润滑剂组合物的添加剂组合物，各自含有洗涤剂分散剂。