Claims
- 1. A liquid hydrocarbon fuel containing a minor antioxidant quantity of a mixture of alkyl phenols consisting essentially of:
- a) from 1 to 8 wt % of 2-tert-butylphenol;
- b) from 4 to 12 wt % of 2,6-di-tert-butylphenol;
- c) from 4 to 12 wt % of 2-tert-butyl-4-n-butylphenol;
- d) from 4 to 12 wt % of 2,4,6-tri-tert-butylphenol; and
- e) from 65 to 80 wt % of 2,6-di-tert-butyl-4-n-butylphenol.
- 2. A composition as claimed in claim 1 wherein said minor antioxidant quantity is in the range of about 1 to about 20 pounds per thousand barrels.
- 3. A composition as claimed in claim 1 wherein said minor antioxidant quantity is in the range of about 1 to about 5 pounds per thousand barrels.
- 4. A composition as claimed in claim 1 wherein said liquid hydrocarbon fuel is a gasoline.
- 5. A composition as claimed in claim 1 wherein said liquid hydrocarbon fuel is a middle distillate fuel.
- 6. A composition as claimed in claim 1 wherein said liquid hydrocarbon fuel is a gasoline and wherein said minor antioxidant quantity is in the range of about 1 to about 20 pounds per thousand barrels.
- 7. A composition as claimed in claim 1 wherein said liquid hydrocarbon fuel is a gasoline and wherein said minor antioxidant quantity is in the range of about 1 to about 5 pounds per thousand barrels.
- 8. A composition as claimed in claim 1 wherein said liquid hydrocarbon fuel is a middle distillate fuel and wherein said minor antioxidant quantity is in the range of about 1 to about 20 pounds per thousand barrels.
- 9. A composition as claimed in claim 1 wherein said liquid hydrocarbon fuel is a middle distillate fuel and wherein said minor antioxidant quantity is in the range of about 1 to about 5 pounds per thousand barrels.
- 10. A liquid hydrocarbon fuel containing a minor antioxidant quantity of a mixture of alkyl phenols consisting essentially of:
- a) from 1 to 8 wt % of 2-tert-butylphenol;
- b) from 6 to 10 wt % of 2,6-di-tert-butylphenol;
- c) from 6 to 10 wt % of 2-tert-butyl-4-n-butylphenol;
- d) from 6 to 10 wt % of 2,4,6-tri-tert-butylphenol; and
- e) from 65 to 75 wt % of 2,6-di-tert-butyl-4-n-butylphenol.
- 11. A composition as claimed in claim 10 wherein said minor antioxidant quantity is in the range of about 1 to about 20 pounds per thousand barrels.
- 12. A composition as claimed in claim 10 wherein said minor antioxidant quantity is in the range of about 1 to about 5 pounds per thousand barrels.
- 13. A composition as claimed in claim 10 wherein said liquid hydrocarbon fuel is a gasoline.
- 14. A composition as claimed in claim 10 wherein said liquid hydrocarbon fuel is a middle distillate fuel.
- 15. A composition as claimed in claim 10 wherein said liquid hydrocarbon fuel is a gasoline and wherein said minor antioxidant quantity is in the range of about 1 to about 20 pounds per thousand barrels.
- 16. A composition as claimed in claim 10 wherein said liquid hydrocarbon fuel is a gasoline and wherein said minor antioxidant quantity is in the range of about 1 to about 5 pounds per thousand barrels.
- 17. A composition as claimed in claim 10 wherein said liquid hydrocarbon fuel is a middle distillate fuel and wherein said minor antioxidant quantity is in the range of about 1 to about 20 pounds per thousand barrels.
- 18. A composition as claimed in claim 10 wherein said liquid hydrocarbon fuel is a middle distillate fuel and wherein said minor antioxidant quantity is in the range of about 1 to about 5 pounds per thousand barrels.
- 19. A liquid hydrocarbon fuel containing a minor antioxidant quantity of a mixture of alkyl phenols consisting essentially of the following components in the following approximate proportions:
- a) 2-tert-butylphenol: 3%
- b) 2,6-di-tert-butylphenol: 8%
- c) 2-tert-butyl-4-n-butylphenol: 8%
- d) 2,4,6-tri-tert-butylphenol: 8%
- e) 2,6-di-tert-butyl-4-n-butylphenol: 68%
- f) 4,4'-butylidenebis(2,6-di-tert-butylphenol): 1%
- g) Other: 4%
- said mixture having prior to being blended with said fuel having viscosities below 1300 centistokes at 0.degree. C., below 100 centistokes at 25.degree. C., and below 10 centistokes at 100.degree. C.
- 20. A composition as claimed in claim 19, wherein said antioxidant quantity is in the range of about 1 to about 20 pounds per thousand barrels.
Parent Case Info
This application is a division of application Ser. No. 432,164, filed Nov. 6, 1989, now allowed.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
2841623 |
Norton et al. |
Jul 1958 |
|
3166509 |
Ecke et al. |
Jan 1965 |
|
4011057 |
Sayers |
Mar 1977 |
|
Divisions (1)
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Number |
Date |
Country |
Parent |
432164 |
Nov 1989 |
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