Claims
- 1. A lubricant composition comprising:
a) at least one triglyceride oil; b) at least one polyalphaolefin; and, c) at least one antioxidant.
- 2. The composition of claim 1, wherein the at least one triglyceride oil is selected from the group comprising: natural vegetable oil, synthetic vegetable oil, genetically modified vegetable oil, and mixtures thereof and the composition further comprises:
at least one food grade oil selected from the group comprising: synthetic ester, white petroleum oil, hydrocracked petroleum oil, and mixtures thereof.
- 3. The composition of claim 2, wherein the vegetable oil is selected from the group comprising: sunflower oil, canola oil, soybean oil, castor oil, high oleic sunflower, high oleic canola, high oleic soybean oil, and mixtures thereof.
- 4. The composition of claim 2, wherein the vegetable oil is present in a range of from about 10% by weight to about 90% by weight.
- 5. The composition of claim 4, wherein the vegetable oil is present in a range of from about 30% by weight to about 70% by weight.
- 6. The composition of claim 5, wherein the vegetable oil is present in a range of from about 40% by weight to about 60% by weight.
- 7. The composition of claim 1, wherein the polyalphaolefin is selected from the group comprising: PAO2, PAO4, PAO6, PAO8, PAO9, PAO10, PAO40, PAO10, and mixtures thereof.
- 8. The composition in claim 1, wherein the polyalphaolefin is present in a range of from about 10% by weight to about 90% by weight.
- 9. The composition in claim 8, wherein the polyalphaolefin is present in a range of from about 30% by weight to about 70% by weight.
- 10. The composition in claim 9, wherein the polyalphaolefin is present in a range of from about 40% by weight to about 60% by weight.
- 11. The composition in claim 1, wherein the antioxidant is selected from the group comprising: butyrated hydroxytoluene, phenl-a-naphthylamine, and mixtures thereof.
- 12. The composition in claim 1, wherein the antioxidant is present in a range of from about 0.01% by weight to about 5.0% by weight.
- 13. The composition in claim 12, wherein the antioxidant is present in a range of from about 0.25% by weight to about 1.5% by weight.
- 14. The composition in claim 13, wherein the antioxidant is present in a range of from about 0.5% by weight to about 1.0% by weight.
- 15. The composition in claim 1, having a RBOT value greater than 200 minutes.
- 16. The composition of claim 2, wherein the composition further comprises at least one additive chosen from the group comprising: antiwear inhibitors, rust/corrosion inhibitors, pour point depressants, viscosity improvers, tackifiers, metal deactivators, extreme pressure (EP) additives, friction modifiers, foam inhibitors, emulsifiers, and demulsifiers.
- 17. The composition of claim 2, wherein the genetically modified oils have an oleic acid moiety:linoleic acid moiety ratio of from about 2 to about 90.
- 18. The composition of claim 1, wherein the triglyceride oil has the formula
- 19. The composition of claim 18, wherein the triglyceride has a monounsaturated character of at least 60 percent.
- 20. The composition of claim 19, wherein the triglyceride has a monounsaturated character of at least 70 percent.
- 21. The composition of claim 20, wherein the triglyceride has a monounsaturated character of at least 80 percent.
- 22. A method for preparing a food-grade-lubricant composition comprising the steps of:
a) providing at least one triglyceride oil; b) providing at least one polyalpha olefin; c) providing at least one antioxidant; and, d) blending the oil, olefin, and antioxidant to form the composition.
- 23. The method of claim 22, wherein the triglyceride oil is selected from the group comprising: natural vegetable oil, synthetic vegetable oil, genetically modified vegetable oil, and mixtures thereof and the method further comprises the step of:
e) providing at least one food grade oil selected from the group comprising: synthetic ester, white petroleum oil, a hydrocracked petroleum oil, and mixtures thereof.
- 24. The method as described in claim 23, wherein the vegetable oil is selected from the group comprising: sunflower oil, canola oil, soybean oil, castor oil, high oleic sunflower, high oleic canola, high oleic soybean oil, and mixtures thereof.
- 25. The method as described in claim 22, wherein the polyalphaolefin is selected from the group comprising: PAO2, PAO4, PAO6, PAO8, PAO9, PAO10, PAO40, PAO100, and mixtures thereof.
- 26. The method as described in claim 22, wherein the antioxidant is selected from the group comprising: butyrated hydroxytoluene, phenl-a-naphthylamine, and mixtures thereof.
- 27. The method as described in claim 22, wherein the vegetable oil is present in a range of from about 10% by weight to about 90% by weight.
- 28. The method as described in claim 22, wherein the polyalphaolefin is present in a range of from about 10% by weight to about 90% by weight.
- 29. The method as described in claim 22, wherein the antioxidant is present in a range of from about 0.01% by weight to about 5.0% by weight.
- 30. The composition in claim 22, wherein the composition can be used as a hydraulic oil, circulating oil, drip oil, general purpose oil, grease base oil, cable oil, chain oil, spindle oil, gear oil, and compressor oil.
- 31. A method for lubricating a food industry mechanical device, the method comprising the steps of:
lubricating the device with a composition comprising:
at least one vegetable oil selected from the group comprising natural vegetable oil, synthetic vegetable oil, genetically modified vegetable oil, and mixtures thereof; at least one polyalpha olefin; and, at least one antioxidant.
- 32. The method of claim 31, wherein the composition further comprises at least one food grade oil selected from the group comprising: synthetic ester, white petroleum oil, a hydrocracked petroleum oil, and mixtures thereof.
Parent Case Info
[0001] This application claims priority to a provisional patent application Ser. No. 60/474,572, titled “Food-grade-Lubricant having FDA approved additives,” filed May 30, 2003.
Provisional Applications (1)
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Number |
Date |
Country |
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60474572 |
May 2003 |
US |