公开(公告)号：US12006485B2

公开(公告)日：2024-06-11

申请号：US17629997

申请日：2020-07-14

Applicant: ADEKA CORPORATION ,  DIC CORPORATION

Inventor： Shinji Iino ,  Eiji Katsuno ,  Taro Sumi ,  Hironobu Matsueda ,  Hiroshi Sakata

IPC: C10M135/36 ,  C10M135/18 ,  C10M169/04

CPC classification number: C10M135/36 ,  C10M135/18 ,  C10M169/04 ,  C10M2203/003 ,  C10M2219/068 ,  C10M2219/106

Abstract: The present invention provides a lubricating oil additive, including: a molybdenum compound (A) represented by the following general formula (1); and a sulfur-based composition (B) containing a sulfur-based compound (b-1) represented by the following general formula (2) and at least one kind of sulfur-based compound (b-2) represented by the following general formula (3) or (4), and a lubricating oil composition containing the additive. In the formula (1), R1 to R4 each represent alkyl groups having 6 to 18 carbon atoms, the groups being identical to or different from each other, and X1 to X4 each independently represent an oxygen atom or a sulfur atom. In the formula (2), R5 and R6 each represent alkyl groups having 3 to 24 carbon atoms, the groups being identical to or different from each other, and “a” and “b” each represent a number from 1 to 5. In the formulae (3) and (4), R7 to R10 each represent alkylene groups having 1 to 28 carbon atoms, the groups being identical to or different from each other, R11 and R12 each independently represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, and “c” and “d” each independently represent a number from 1 to 8, provided that at least one of R11 or R12 represents an alkyl group having 1 to 3 carbon atoms.

公开(公告)号：US10913917B2

公开(公告)日：2021-02-09

申请号：US16312081

申请日：2017-06-27

Applicant: ADEKA CORPORATION

Inventor： Taro Sumi ,  Shinji Iino

IPC: C10M141/10 ,  C10M133/16 ,  C10M139/00 ,  C10M141/12 ,  C10M129/10 ,  C10M137/10 ,  C10M135/18 ,  C10M141/08 ,  C10N10/04 ,  C10N10/12 ,  C10N20/02 ,  C10N30/06 ,  C10N30/10 ,  C10N40/25

Abstract: An internal combustion engine lubricating oil composition containing a base oil that is a hydrocarbon oil containing less than 1% by mass of aromatic components and having a sulphur content of less than 20 ppm by mass; a specific organic molybdenum compound as a component (A) at 300 to 1500 ppm by mass as molybdenum atoms; and a borate ester compound as a component (B) at 100 to 1000 ppm by mass as boron atoms.

公开(公告)号：US11248187B2

公开(公告)日：2022-02-15

申请号：US17211076

申请日：2021-03-24

Applicant: ADEKA CORPORATION

Inventor： Shinji Iino ,  Eiji Katsuno ,  Taro Sumi

IPC: C10M141/12 ,  C10M133/06 ,  C10M135/18 ,  C10M139/00 ,  C10M169/04 ,  C10N10/04 ,  C10N10/12 ,  C10N30/06 ,  C10N30/10 ,  C10N30/12 ,  C10N40/25

Abstract: A lubricating composition including: a base oil, a lubricant additive composition including, as a component (A), an organic molybdenum compound of the formula (1) described in the specification, and as a component (B), an amine compound of the formula (2) described in the specification, and a specific metal-based cleaner, wherein a content of the component (B) is 2.9 to 18.6 parts by mass relative to 100 parts by mass of molybdenum atoms of the component (A), and a content of the metal-based cleaner is 0.1% to 10% by mass relative to a total amount of the lubricating composition, wherein the lubricating composition does not include tetraalkyl thiuram disulphide, and wherein the component (A) in terms of the amount of molybdenum atoms is 400 to 1200 ppm by mass relative to a total amount of the lubricating composition.

公开(公告)号：US11118128B2

公开(公告)日：2021-09-14

申请号：US16471704

申请日：2018-01-22

Applicant: ADEKA CORPORATION

Inventor： Taro Sumi ,  Shinji Iino

IPC: C10M135/18 ,  C10N10/12 ,  C10N20/02 ,  C10N30/02 ,  C10N30/00 ,  C10N40/25

Abstract: A fuel-saving-type engine oil composition is provided that exhibits a satisfactory friction-reducing effect in a low-viscosity engine oil without being constrained by, for example, high temperatures, low temperatures, low loads, or high loads. The engine oil composition includes: an engine oil having a low-temperature viscosity of from 0 to 10 in SAE viscosity grades and a high-temperature viscosity of from 4 to 20 in the SAE viscosity grades; and a molybdenum compound (A) represented by the following general formula (1): where R1 to R4 each independently represent a hydrocarbon group having 4 to 18 carbon atoms, and not all of R1 to R4 represent the same group, and when R1 and R2 represent the same group, R3 and R4 do not represent the same group, and X1 to X4 each independently represent a sulfur atom or an oxygen atom.

公开(公告)号：US10920167B2

公开(公告)日：2021-02-16

申请号：US16314918

申请日：2017-06-26

Applicant: ADEKA CORPORATION

Inventor： Eiji Katsuno ,  Taro Sumi

IPC: C10M169/04 ,  C10M139/00 ,  C10M135/12 ,  C10M135/18 ,  C10N10/12 ,  C10N30/02 ,  C10N30/06 ,  C10N30/10 ,  C10N40/25

Abstract: A lubricant composition including a binuclear molybdenum compound (A) and a trinuclear molybdenum compound (B), wherein these compounds are included in a range represented by (molybdenum of the binuclear molybdenum compound (A)):(molybdenum of the trinuclear molybdenum compound (B))=99.98:0.02 to 95:5 as a mass ratio.