公开(公告)号：US12195691B2

公开(公告)日：2025-01-14

申请号：US18256375

申请日：2021-12-28

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Yukio Yoshida ,  Shota Kato ,  Hideto Kamimura

IPC: C10M145/14 ,  C08F220/18 ,  C08F220/20 ,  C08F230/02 ,  C10M153/02 ,  C10M169/04 ,  C10N20/04 ,  C10N30/06 ,  C10N30/08 ,  C10N40/02

Abstract: A lubricating oil additive composition that is suitable as a load bearing additive, and is excellent in wear resistance, extreme pressure property, and thermal stability, and a lubricating oil composition containing the lubricating oil additive composition. A lubricating oil additive composition containing a poly(meth)acrylate-based copolymer (X) containing a structural unit (a) derived from a particular alkyl (meth)acrylate (A), a structural unit (b) derived from a particular hydroxy group containing (meth)acrylate (B), and a structural unit (c) derived from a particular phosphorus-containing (meth)acrylate (C).

公开(公告)号：US12275910B2

公开(公告)日：2025-04-15

申请号：US18005692

申请日：2021-08-23

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Akio Kojima ,  Yukio Yoshida ,  Kenichi Ogata ,  Shota Kato ,  Keiichi Narita

IPC: C10M107/32 ,  C10M107/24 ,  C10N30/02 ,  C10N40/04 ,  C10N40/16

Abstract: A lubricating oil composition may have a high flash point, a low pour point, and excellent electrical insulation, while having excellent cooling performance. Such a lubricating oil composition may include a base oil (A), wherein the base oil (A) includes at least one synthetic oil (A1) selected from a polyalkylene glycol having a specific degree of polymerization and a polyvinyl ether having a specific degree of polymerization.

公开(公告)号：US12227471B2

公开(公告)日：2025-02-18

申请号：US17418080

申请日：2019-12-26

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： So Nakajima ,  Yukio Yoshida

IPC: C07C43/205 ,  C08G65/04 ,  C10M105/18 ,  C10M107/34 ,  C10M169/04 ,  C10N20/02 ,  C10N20/04 ,  C10N40/16 ,  C10N40/30

Abstract: A polyalkylene glycol-based compound may have formula (1): wherein R1 is a monovalent aromatic hydrocarbon group having 6 to 42 ring carbon atoms; R2 is a monovalent aromatic hydrocarbon group having 6 to 42 carbon atoms or a hydrogen atom; R3 is a divalent hydrocarbon group having 2 to 4 carbon atoms; and m is a number in a range of from 1 to 40.

公开(公告)号：US20150133691A1

公开(公告)日：2015-05-14

申请号：US14382492

申请日：2013-03-01

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Sumihiro Oda ,  Masashi Machida ,  Hiroki Sekiguchi ,  Yukio Yoshida ,  Toshiyuki Tsubouchi

IPC: B01J38/56 ,  B01J31/22 ,  C07C2/04 ,  B01J31/40

CPC classification number: B01J38/56 ,  B01J31/2208 ,  B01J31/40 ,  B01J2231/20 ,  C07C2/04 ,  C07C41/38 ,  C07C41/42 ,  C07C2602/42 ,  C07F5/022 ,  Y02P20/584 ,  C07C43/06

Abstract: In a reaction in which a boron trifluoride complex is used as a catalyst, the expensive and harmful boron trifluoride complex is separated from a reaction mixture containing the boron trifluoride complex by separating the boron trifluoride complex present in the reaction mixture by using a saturated hydrocarbon-based solvent.

Abstract translation: 在其中使用三氟化硼配合物作为催化剂的反应中，通过使用饱和烃 - 氢化合物分离出存在于反应混合物中的三氟化硼络合物，将昂贵有害的三氟化硼配合物与含有三氟化硼配合物的反应混合物分离， 基溶剂。

公开(公告)号：US11035015B2

公开(公告)日：2021-06-15

申请号：US15544180

申请日：2016-01-19

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yukio Yoshida ,  Hideaki Hattori ,  Akinori Yomogita

IPC: C21D1/58 ,  C10M159/04 ,  C10N30/02 ,  C10N40/20 ,  C10N40/24

Abstract: A vapor film-rupturing agent is provided that is prepared from asphalt as a staring material, so as to have a fraction (x) (% by mass) of a saturated component and a fraction (y) (% by mass) of an asphaltene component based on the total fraction 100% by mass of the saturated component, the asphaltene component, an aromatic component, and a resin component obtained by any one of analysis methods described in the Japan Petroleum Institute Standard and Manuals Testing Method for Petroleum Products JPI-5S-70-10 and the British Standard Test Method IP-469 that satisfy one or more of the following conditions (1) to (3): condition (1): 1.2926×(x)/100−8.113×(y)/100+2.3384≤2.400, condition (2): (y)≥7.0, and condition (3): ((y)/(x))≥0.5. The vapor film-rupturing agent is capable of preparing a thermal treatment oil composition having a high vapor film-rupturing effect with a characteristic number of seconds in the cooling capability test according to JIS K2242 (2012) of 2.50 seconds or less.

公开(公告)号：US09321046B2

公开(公告)日：2016-04-26

申请号：US14382492

申请日：2013-03-01

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Sumihiro Oda ,  Masashi Machida ,  Hiroki Sekiguchi ,  Yukio Yoshida ,  Toshiyuki Tsubouchi

IPC: C07F5/02 ,  B01J38/56 ,  B01J31/40 ,  C07C41/38 ,  C07C41/42 ,  B01J31/22 ,  C07C2/04

CPC classification number: B01J38/56 ,  B01J31/2208 ,  B01J31/40 ,  B01J2231/20 ,  C07C2/04 ,  C07C41/38 ,  C07C41/42 ,  C07C2602/42 ,  C07F5/022 ,  Y02P20/584 ,  C07C43/06

Abstract: In a reaction in which a boron trifluoride complex is used as a catalyst, the expensive and harmful boron trifluoride complex is separated from a reaction mixture containing the boron trifluoride complex by separating the boron trifluoride complex present in the reaction mixture by using a saturated hydrocarbon-based solvent.

Abstract translation: 在其中使用三氟化硼配合物作为催化剂的反应中，通过使用饱和烃 - 氢化合物分离出存在于反应混合物中的三氟化硼络合物，将昂贵有害的三氟化硼配合物与含有三氟化硼配合物的反应混合物分离， 基溶剂。

公开(公告)号：US09365789B2

公开(公告)日：2016-06-14

申请号：US14136397

申请日：2013-12-20

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Yukio Yoshida ,  Miki Monoi

IPC: C10M107/34 ,  C10M171/00 ,  C10M105/18

CPC classification number: C10M105/18 ,  C10M2205/0285 ,  C10M2207/0406 ,  C10N2220/022 ,  C10N2220/028 ,  C10N2230/02 ,  C10N2240/04 ,  C10N2240/10

Abstract: The invention provides a dialkyl ether represented by the following formula (1): (wherein each of R1 and R2 represents a C1 to C20 alkyl group, and n is an integer of 1 to 20), and a lubricating base oil and a lubricating oil composition containing the dialkyl ether. The lubricating base oil and the lubricating oil composition exhibit low viscosity, excellent viscosity-temperature characteristics, and high fluidity at low temperature.

Abstract translation: 本发明提供由下式（1）表示的二烷基醚：其中，R 1和R 2各自表示C1〜C20烷基，n为1〜20的整数），润滑油基础油和润滑油 含有二烷基醚的组合物。 润滑油基油和润滑油组合物在低温下表现出低粘度，优异的粘度 - 温度特性和高流动性。