# US 2019/0169527 A1 · Lubricant composition and lubricating oil composition > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0169527 A1 - Document ID: US20190169527A1 - Status: Published application - Kind: A1 - Application number: 16/314,918 - Filed: 2017-06-26 - Published: 2019-06-06 - Earliest claimed: 2016-07-11 - Assignees: Adeka Corporation - Applicants: Adeka Corporation - Inventors: Eiji KATSUNO; Taro SUMI - Web page: https://patentgrep.com/patent/US20190169527A1 ## CPC - C10M 169/04: Mixtures of base-materials and additives - C10M 135/12: Thio-acids; Thiocyanates; Derivatives thereof - C10M 135/18: thiocarbamic type, e.g. containing the groups [IMAGE cpc-sch-C10M-1027.gif] - C10M 139/00: Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing atoms of elements not provided for in groups C10M127/00 - C10M137/00 - C10M 2203/1025: used as base material - C10M 2219/068: Thiocarbamate metal salts - C10M 2227/066: derived from Mo or W - C10N 2010/12: Groups 6 or 16 - C10N 2030/02: Pour-point; Viscosity index - C10N 2030/06: Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure - C10N 2030/10: Inhibition of oxidation, e.g. anti-oxidants - C10N 2030/70: {Soluble oils} - C10N 2040/02: Bearings - C10N 2040/04: Oil-bath; Gear-boxes; Automatic transmissions; Traction drives - C10N 2040/135: {Steam engines or turbines} - C10N 2040/252: {Diesel engines} - C10N 2040/255: {Gasoline engines} - C10M: LUBRICATING COMPOSITIONS (well drilling compositions C09K8/02); USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION (mould release, i.e. separating, agents for metals B22C3/00, for plastics or substances in a plastic state, in general B29C33/56, for glass C03B40/02; textile lubricating compositions D06M11/00, D06M13/00, D06M15/00; immersion oils for microscopy G02B21/33) - C10N: INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS ## 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. ## Claims ### Claim 1 A lubricant composition comprising 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. ### Claim 2 (depends on 1) The lubricant composition of claim 1, wherein the binuclear molybdenum compound (A) is a compound represented by the following general formula (1): Mo2SyOzLw (1) (wherein L represents an organic acid, y represents a number from 0 to 4, z represents a number from 0 to 4, y+z=4, and w represents number 1 or 2). ### Claim 3 (depends on 1) The lubricant composition of claim 1, wherein the binuclear molybdenum compound (A) is a molybdenum dithiocarbamate represented by the following general formula (2): (wherein R1 to R4 each independently represent a hydrocarbon group having 4 to 18 carbon atoms, and X1 to X4 each independently represent a sulfur atom or an oxygen atom). ### Claim 4 (depends on 1) The lubricant composition of claim 1, wherein the trinuclear molybdenum compound (B) is a compound represented by the following general formula (3): Mo3SkQm (3) (wherein Q represents an organic acid, k represents a number from 3 to 10, and m represents a number from 1 to 4). ### Claim 5 (depends on 1) The lubricant composition of claim 1, wherein the trinuclear molybdenum compound (B) is a compound represented by the following general formula (4): (wherein R5 and R6 each independently represent a hydrocarbon group having 4 to 18 carbon atoms, h represents a number from 3 to 10, and n represents a number from 1 to 4). ### Claim 6 (depends on 1) A lubricating oil composition comprising, in a base oil, the lubricant composition of claim 1 in a molybdenum amount of 50 mass ppm to 5000 mass ppm. ### Claim 7 A method for improving a friction reducing effect of a lubricating oil composition, the method comprising adding a binuclear molybdenum compound (A) and a trinuclear molybdenum compound (B) to a base oil which is to be used in the lubricating oil composition, wherein molybdenum of the binuclear molybdenum compound (A) and molybdenum of the trinuclear molybdenum compound (B) are added in a range represented by 99.98:0.02 to 95:5 as a mass ratio. ### Claim 8 (depends on 2) The lubricant composition of claim 2, wherein the trinuclear molybdenum compound (B) is a compound represented by the following general formula (3): Mo3SkQm (3) (wherein Q represents an organic acid, k represents a number from 3 to 10, and m represents a number from 1 to 4). ### Claim 9 (depends on 3) The lubricant composition of claim 3, wherein the trinuclear molybdenum compound (B) is a compound represented by the following general formula (3): Mo3SkQm (3) (wherein Q represents an organic acid, k represents a number from 3 to 10, and m represents a number from 1 to 4). ### Claim 10 (depends on 2) The lubricant composition of claim 2, wherein the trinuclear molybdenum compound (B) is a compound represented by the following general formula (4): (wherein R5 and R6 each independently represent a hydrocarbon group having 4 to 18 carbon atoms, h represents a number from 3 to 10, and n represents a number from 1 to 4). ### Claim 11 (depends on 3) The lubricant composition of claim 3, wherein the trinuclear molybdenum compound (B) is a compound represented by the following general formula (4): (wherein R5 and R6 each independently represent a hydrocarbon group having 4 to 18 carbon atoms, h represents a number from 3 to 10, and n represents a number from 1 to 4). ### Claim 12 (depends on 2) A lubricating oil composition comprising, in a base oil, the lubricant composition of claim 2 in a molybdenum amount of 50 mass ppm to 5000 mass ppm. ### Claim 13 (depends on 3) A lubricating oil composition comprising, in a base oil, the lubricant composition of claim 3 in a molybdenum amount of 50 mass ppm to 5000 mass ppm. ### Claim 14 (depends on 4) A lubricating oil composition comprising, in a base oil, the lubricant composition of claim 4 in a molybdenum amount of 50 mass ppm to 5000 mass ppm. ### Claim 15 (depends on 5) A lubricating oil composition comprising, in a base oil, the lubricant composition of claim 5 in a molybdenum amount of 50 mass ppm to 5000 mass ppm. ### Claim 16 (depends on 8) A lubricating oil composition comprising, in a base oil, the lubricant composition of claim 8 in a molybdenum amount of 50 mass ppm to 5000 mass ppm. ### Claim 17 (depends on 9) A lubricating oil composition comprising, in a base oil, the lubricant composition of claim 9 in a molybdenum amount of 50 mass ppm to 5000 mass ppm. ### Claim 18 (depends on 10) A lubricating oil composition comprising, in a base oil, the lubricant composition of claim 10 in a molybdenum amount of 50 mass ppm to 5000 mass ppm. ### Claim 19 (depends on 11) A lubricating oil composition comprising, in a base oil, the lubricant composition of claim 11 in a molybdenum amount of 50 mass ppm to 5000 mass ppm.