Composition

• US 10,144,896 B2
• Filed: 05/15/2015
• Issued: 12/04/2018
• Est. Priority Date: 05/16/2014
• Status: Active Grant

• Current Assignee: Ab Nanol Technologies Oy
• Original Assignee: Ab Nanol Technologies Oy
• Inventors: Ekman, Kenneth, Soedergaerd, Anders, Strand, Patrik, Von Knorring, Johan, Burrows, Aubrey, Haartman, Sophia Von
• Primary Examiner(s): McAvoy, Ellen M
• Application Number:
  US15/311,577
• Publication Number:
  US 20170158980A1
• Time in Patent Office: 1,299 Days
• CPC Class Codes: C10M 125/04 Metals; Alloys
• CPC Class Codes: C10M 141/12 at least one of them being an organic compound containing atoms of elements not provided for in groups C10M141/02 - C10M141/10
• CPC Class Codes: C10M 2201/06 Metal compounds
• CPC Class Codes: C10M 2207/126 monocarboxylic
• CPC Class Codes: C10M 2215/064 Di- and triaryl amines
• CPC Class Codes: C10M 2215/086 Imides
• CPC Class Codes: C10N 2010/02 Groups 1 or 11
• CPC Class Codes: C10N 2020/06 Particles of special shape or size
• CPC Class Codes: C10N 2030/06 Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
• CPC Class Codes: C10N 2030/54 Fuel economy
• CPC Class Codes: C10N 2050/10 Semi-solids; greasy

Abstract

The present invention describes a composition characterized in that the composition comprises a first metal component and particles including a second metal component. Furthermore the present invention describes a lubricant additive composition, a lubricant composition and a grease composition comprising the present composition.

Claims

1. A lubricant additive composition comprising nanoparticles including:

(a) a first metal component comprising metallic copper, and

(b) a second metal component comprising a tin salt;

wherein the nanoparticles include a mixture of said metallic copper, said tin salt, and an oil-soluble metal compound derived from at least one of copper, tin, and a third metal component.

2. The lubricant additive composition according to claim 1, wherein the nanoparticles comprising the second metal component have a diameter in a range of 1 nm to 10000 nm.

3. The lubricant additive composition according to claim 1, comprising at least one reducing agent.

4. The lubricant additive composition according to claim 1, including the third metal component wherein the third metal component comprises at least one metal selected from the group consisting of cobalt, zinc, bismuth, and manganese.

5. The lubricant additive composition according to claim 1, wherein a weight ratio of the oil-soluble metal compound to the nanoparticles is in a range of 10000:

1 to 1;

1.

6. A lubricant composition comprising a lubricant additive composition according to claim 1 and an oil solvent or oil dispersing medium.

7. A grease composition comprising a lubricant additive composition according to claim 1 and an oil solvent or oil dispersing medium.

8. A method for producing the lubricant additive composition of claim 1, comprising forming said nanoparticles by mixing a solution including a copper compound with a solution including the second metal component, wherein at least one said solution comprises a reductant and the solution including the second metal component comprises a ligand capable of forming a complex with the tin in the second metal component.

9. The method according to claim 8, wherein a weight ratio of said copper compound to the tin salt is in a range of 100:

1 to 1;

100.

10. The lubricant additive composition according to claim 1, wherein the nanoparticles comprising the second metal component have a diameter in a range of 5 nm to 1000 nm.

11. The lubricant additive composition according to claim 1, wherein the nanoparticles comprising the second metal component have a diameter in a range of 10 nm to 500 nm.

12. The lubricant additive composition according to claim 1, wherein the nanoparticles comprising the second metal component have a diameter in a range of 15 nm to 400 nm.

13. The lubricant additive composition according to claim 1, wherein the lubricant additive composition comprises an oil-soluble metal compound derived from copper or cobalt.

14. The lubricant additive composition according to claim 1, wherein the lubricant additive composition comprises an oil-soluble metal compound derived from copper.

15. The lubricant additive composition according to claim 5, wherein a weight ratio of the oil-soluble metal compound to the nanoparticles is in a range of 1000:

1 to 2;

1.

16. The lubricant additive composition according to claim 5, wherein a weight ratio of the oil-soluble metal compound to the nanoparticles is in a range of 500:

1 to 5;

1.

17. The lubricant additive composition according to claim 5, wherein a weight ratio of the oil-soluble metal compound to the nanoparticles is in a range of 100:

1 to 10;

1.

18. The method according to claim 8, wherein a weight ratio of said copper compound to said tin salt is in a range of 10:

1 to 1;

10.

19. The method according to claim 8, wherein a weight ratio of said copper compound to said tin salt is in a range of 1:

1 to 1;

5.