Claims
- 1. A composition comprising (A) at least one antiwear or extreme pressure agent containing sulfur, at least one basic nitrogen compound, or a mixture thereof; and (B) at least one hydrocarbyl mercaptan; with the proviso that when (A) is an organic polysulfide, then the composition further comprises (C) at least one phosphorus containing antiwear or extreme pressure agent, at least one overbased composition, or mixtures thereof, wherein (C) is different from (A), further comprising at least one sulfolene seal swell agent.
- 2. The composition of claim 1 wherein (A) is a sulfur compound, a metal thiophosphate, or mixtures thereof.
- 3. The composition of claim 1 wherein (A) is a sulfurized oil, unsaturated fatty acid, unsaturated fatty ester, olefin, terpene, or Diels-Alder adduct.
- 4. The composition of claim 1 wherein (A) is at least one dialkyl polysulfide.
- 5. The composition of claim 1 wherein (A) is a fatty amine or an acylated amine.
- 6. The composition of claim 5 wherein the fatty amine is selected from the group consisting of n-octylamine, n-decylamine, n-dodecylamine, n-tetradecylamine, n-hexadecylamine, n-octadecylamine, oleyamine, cocoaamine, tallowamine, and soyaamine.
- 7. The composition of claim 1 wherein (A) is a reaction product of a hydrocarbyl substituted carboxylic acylating agent and at least one amine characterized by the presence within its structure of at least one H—N< group.
- 8. The composition of claim 7 wherein the amine is a polyalkylenepolyamine.
- 9. The composition of claim 1 wherein (A) has a total base number of at least about 30.
- 10. The composition of claim 1 wherein the hydrocarbyl group of (B) is free of ether linkages.
- 11. The composition of claim 1 wherein (B) contains from about 8 to about 30 carbon atoms.
- 12. The composition of claim 1 wherein (B) is selected from the group consisting of octyl, nonyl, decyl, dodecyl, tetradecyl, hexadecyl, and octadecyl mercaptan.
- 13. The composition of claim 1 wherein (C) is selected from the group consisting of a phosphoric acid ester or salt thereof; a phosphite; and a phosphorus-containing carboxylic acid, ester, ether, or amide.
- 14. The composition of claim 1 wherein (C) is an alkali or alkaline earth metal salt of an acidic organic compound.
- 15. The composition of claim 1 wherein (C) is a sodium, calcium, or magnesium sulfonate, carboxylate, or phenate.
- 16. The composition of claim 1 wherein (C) is a borated overbased metal composition.
- 17. The composition of claim 1 wherein (C) is a sulfurized overbased composition.
- 18. The composition of claim 1 wherein (A) is other than organic polysulfide and the composition further comprises (C) a phosphorous containing antiwear or extreme pressure agent, at least one overbased composition, or a mixture, thereof.
- 19. The composition of claim 1 further comprising (D) at least one dispersant, wherein (D) is different from (A).
- 20. The composition of claim 19 wherein the dispersant (D) is selected from the group consisting of an acylated amine, a hydrocarbyl amine, a carboxylic ester, a polymeric, a post treated product thereof, and a mixture of two or more thereof.
- 21. The composition of claim 19 wherein the dispersant (D) is the reaction product of a hydrocarbyl substituted carboxylic acylating agent and at one amine characterized by the presence within its structure of at least one H—N< group.
- 22. The composition of claim 1 further comprising (E) at least one boron containing antiwear or extreme pressureagent.
- 23. A composition comprising (A) at least one antiwear or extreme pressure agent containing sulfur, at least one basic nitrogen compound, or a mixture thereof; (B) at least one hydrocarbyl mercaptan containing from about 8 to about 30 carbon atoms; and (D) at least one dispersant, wherein (D) is different from (A), further comprising at least one sulfolene seal swell agent.
- 24. The composition of claim 23 wherein (A) is a sulfur compound, a metal thiophosphate, or mixtures thereof.
- 25. The composition of claim 23 wherein (A) is a dialkyl polysulfide or a zinc dithiophosphate.
- 26. The composition of claim 23 wherein the mercaptan (B) is selected from the group consisting of octyl, nonyl, decyl, dodecyl, tetradecyl, hexadecyl, and octadecyl mercaptan.
- 27. The composition of claim 23 wherein the dispersant (D) is selected from the group consisting of an acylated amine, a hydrocarbyl amine, a carboxylic ester, a polymeric, a post treated product thereof, and a mixture of two or more thereof.
- 28. The composition of claim 23 wherein the dispersant (D) is a reaction product of a hydrocarbyl substituted carboxylic acylating agent and at least one amine characterized by the presence within its structure of at least one H—N< group.
- 29. The composition of claim 23 wherein (D) is a borated reaction product of a hydrocarbyl substituted carboxylic acylating agent and at least one polyamine.
- 30. A composition comprising (A) at least one antiwear or extreme pressure agent containing sulfur, at least one basic nitrogen compound, or mixture thereof, (B) at least one hydrocarbyl mercaptan containing from about 8 to about 30 carbon atoms, and (C) at least one phosphorus containing antiwear or extreme pressure agent, at least one overbased composition, or mixtures thereof, wherein (C) is different from (A), further comprising at least one sulfolene seal swell agent.
- 31. The composition of claim 30 wherein (A) is a sulfur compound, a metal thiophosphate, or mixtures thereof.
- 32. The composition of claim 30 wherein (A) is a sulfurized Diels-Alder adduct, a sulfurized olefin, or a zinc dithiophosphate.
- 33. The composition of claim 30 wherein (B) is selected from the group consisting of decyl, dodecyl, tetradecyl and hexadecyl mercaptan.
- 34. The composition of claim 30 wherein (C) is selected from the group consisting of a phosphoric acid ester or salt thereof; a phosphite; and a phosphorus-containing carboxylic acid, ester, ether, or amide.
- 35. The composition of claim 30 wherein (C) is a borated overbased compound or a sulfurized overbased composition.
- 36. The composition of claim 30 further comprising (E) at least one boron antiwear or extreme pressure agent.
- 37. A lubricating composition or functional fluid comprising an oil of lubricating viscosity and the composition of claim 1.
- 38. A lubricating composition or functional fluid comprising an oil of lubricating viscosity and the composition of claim 2.
- 39. A lubricating composition or functional fluid comprising an oil of lubricating viscosity and the composition of claim 3.
- 40. The composition of claim 36 wherein the lubricating composition contains at least about 0.07% by weight nitrogen.
- 41. The composition of claim 37 wherein the lubricating composition is a gear oil.
- 42. A concentrate comprising from about 10% to about 99% by weight of a substantially inert organic diluent and the composition of claim 1.
- 43. A concentrate comprising from about 10% to about 99% by weight of a substantially inert organic diluent and the composition of claim 23.
- 44. A concentrate comprising from about 10% to about 99% by weight of a substantially inert organic diluent and the composition of claim 30.
Parent Case Info
This is a continuation of application Ser. No. 08/248,277 filed on May 23, 1994, now abandoned.
US Referenced Citations (43)
Foreign Referenced Citations (3)
Number |
Date |
Country |
450208 |
Apr 1990 |
EP |
601479 |
Sep 1945 |
GB |
8805810 |
Aug 1988 |
WO |
Non-Patent Literature Citations (1)
Entry |
EP 95 10 7492; European Search Report mailed Feb. 19, 1996. |
Continuations (1)
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Number |
Date |
Country |
Parent |
08/248277 |
May 1994 |
US |
Child |
08/622620 |
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US |