Claims
- 1. A fuel composition comprising a major mount of a normally liquid fuel and a minor amount of at least one compound of the general formula ##STR47## wherein each Ar is independently an aromatic group having from 5 to about 30 carbon atoms having from 0 to 3 optional substituents selected from the group consisting of amino, hydroxy- or alkyl-polyoxyalkyl, nitro, aminoalkyl, carboxy or combinations of two or more of said optional substituents, each R is independently a hydrocarbyl group, R.sup.1 is H or a hydrocarbyl group, R.sup.2 and R.sup.3 are each, independently, H or a hydrocarbyl group, R.sup.4 is selected from the group consisting of H, a hydrocarbyl group, a member of the group of optional substituents on Ar or lower alkoxy, each m is independently 0 or an integer ranging from 1 to about 6, x ranges from 0 to about 8, and each Z is independently OH, lower alkoxy, (OR.sup.5).sub.b OR.sup.6 or O.sup.-- wherein each R.sup.5 is independently a divalent hydrocarbyl group, R.sup.6 is H or hydrocarbyl and b is a number ranging from 1 to about 30 and c ranges from 1 to about 3, y is a number ranging from 1 to about 10 and wherein the sum m+c does not exceed the number of valences of the corresponding Ar available for substitution and each A is independently an amide or an amide-containing group, a carboxyl group, an ester group, an acylamino group or a group characterized by the formula ##STR48## wherein R.sup.b, R.sup.c, R.sup.d and R.sup.e are each independently H, hydroxyhydrocarbyl or hydrocarbyl groups,
- X is O, S or NR.sup.a wherein R.sup.a is H, hydrocarbyl, hydroxyhydrocarbyl, aminohydrocarbyl or a group of the formula ##STR49## wherein each Y is a group of the formula ##STR50## or
- --R.sup.5 O--
- each R.sup.5 is a divalent hydrocarbyl group, each R.sup.7 is H, alkoxyalkyl, hydroxyalkyl, a hydrocarbyl group, an aminohydrocarbyl group, or an N-alkoxyalkyl- or hydroxyalkyl-substituted aminohydrocarbyl group, a is 0 or a number ranging from 1 to about 100 and D is a group of the formula ##STR51## or when one Z and A are taken together, a lactone group of the formula ##STR52## provided at least one A is a group of formula (II).
- 2. A fuel composition according to claim 1 wherein X in formula (II) is S.
- 3. A fuel composition according to claim 1 wherein X in formula (II) is N--R.sup.a.
- 4. A fuel composition according to claim 1 wherein X in formula (II) is O.
- 5. A fuel composition according to claim 1 having at least one R containing from 4 to about 750 carbon atoms.
- 6. A fuel composition according to claim 5 wherein each R is independently an aliphatic group.
- 7. A fuel composition according to claim 1 wherein each m is 1 or 2 and each R is an alkyl or alkenyl group.
- 8. A fuel composition according to claim 7 wherein R contains from 30 to about 100 carbon atoms and is derived from homopolymerized and interpolymerized C.sub.2-10 olefins.
- 9. A fuel composition according to claim 8 wherein the olefins are 1-olefins.
- 10. A fuel composition according to claim 9 wherein the 1-olefins are ethylene, propylene, butenes and mixtures thereof.
- 11. A fuel composition according to claim 7 wherein R contains from 7 to about 28 carbon atoms.
- 12. A composition according to claim 7 wherein R contains from 12 to about 50 carbon atoms.
- 13. A fuel composition according to claim 7 wherein at least one R contains from 7 to about 100 carbon atoms.
- 14. A fuel composition according to claim 6 wherein each R is a substantially saturated aliphatic group.
- 15. A fuel composition according to claim 1 wherein each Ar is independently a single ring aromatic group, a fused ring aromatic group or a linked aromatic group.
- 16. A fuel composition according to claim 15 wherein at least one Ar is a single ring aromatic group.
- 17. A fuel composition according to claim 16 wherein at least one Ar is a fused ring aromatic group.
- 18. A fuel composition according to claim 15 wherein at least one Ar is a linked aromatic group corresponding to the formula ##STR53## wherein each ar is a single ring or a fused ring aromatic nucleus of 5 to about 12 carbons, w is an integer ranging from 1 to about 6 and each L is independently selected from the group consisting of carbon to carbon single bonds between ar nuclei, ether linkages, sulfide linkages, polysulfide linkages, sulfinyl linkages, sulfonyl linkages, lower alkylene linkages, lower alkylene ether linkages, lower alkylene sulfide and/or polysulfide linkages, amino linkages and linkages having the formula ##STR54## wherein each of R.sup.1, R.sup.2 and R.sup.3 is independently H, alkyl or alkenyl, each G is independently an amide or an amide-containing group, a carboxyl group, an ester group, an oxazoline containing group, a thiazoline containing group, or an imidazoline containing group, and x is an integer ranging from 0 to about 8, and mixtures of such linkages.
- 19. A fuel composition according to claim 15 wherein at least one Ar is a member of the group consisting of a benzene nucleus, a lower alkylene bridged benzene nucleus or a naphthalene nucleus.
- 20. A fuel composition according to claim 1 wherein each of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 is independently hydrogen or a lower alkyl or alkenyl group.
- 21. A fuel composition according to claim 1 wherein at least one Z is --OH.
- 22. A fuel composition according to claim 1 wherein at least one Z is .paren open-st.OR.sup.5).sub.b OR.sup.6.
- 23. A fuel composition according to claim 22 wherein R.sup.5 is a lower alkylene group and R.sup.6 is H or a lower alkyl group.
- 24. A fuel composition according to claim 19 wherein each Z is OH, m and c are each one, x is 0, and Ar has no optional substituents, and R.sup.1 =H.
- 25. A fuel composition according to claim 7 wherein m is 2, and each Ar contains one tertiary-butyl substituent and one alkyl or alkenyl substituent containing from about 4 to about 100 carbon atoms.
- 26. A fuel composition according to claim 1 wherein y is a number ranging from 2 to about 10 and at least one of the additional A groups has the general formula ##STR55## wherein each Y is a group of the formula ##STR56## or
- --R.sup.5 O--,
- each R.sup.5 is a divalent hydrocarbyl group and each R.sup.7 is H, alkoxyalkyl, hydroxyalkyl, a hydrocarbyl group, an aminohydrocarbyl group or an N-alkoxyalkyl- or hydroxyalkyl-substituted amino hydrocarbyl group, and B is an amide group, an imide-containing group, an acylamino group or an amide-containing group and a is 0 or a number ranging from 1 to about 100.
- 27. A fuel composition according to claim 26 wherein the group B is selected from acylamino groups of the formula ##STR57## wherein R.sup.7 is H, alkoxyalkyl, hydroxyalkyl, hydrocarbyl, aminohydrocarbyl or an N-alkoxyalkyl- or N-hydroxyalkyl-substituted amino hydrocarbyl group and T is hydrocarbyl or a group of the formula ##STR58## wherein each element of Formula X is defined in claim 1, or an imide containing group.
- 28. A fuel composition according to claim 1 wherein y is a number ranging from 2 to about 10 and at least one of the additional A groups has the formula ##STR59## wherein each Y is independently a group of the formula ##STR60## or
- --R.sup.5 O--,
- each R.sup.5 is independently a divalent hydrocarbyl group, each R.sup.11 is independently H, alkoxyalkyl, hydroxyalkyl or hydrocarbyl and each R.sup.7 is H, alkoxyalkyl, hydroxyalkyl, a hydrocarbyl group, an aminohydrocarbyl group, or an N-alkoxyalkyl- or N-hydroxyalkyl-substituted aminohydrocarbyl group and a is 0 or a number ranging from 1 to about 100.
- 29. A fuel composition according to claim 1 wherein y is a number ranging from 2 to about i0 and at least one of the additional A groups has the formula ##STR61## wherein each Y is independently a group of the formula ##STR62## or
- --R.sup.5 O--,
- each R.sup.5 is independently a divalent hydrocarbyl group, each R.sup.9 is independently H or hydrocarbyl and each R.sup.7 is independently H, alkoxyalkyl, hydroxyalkyl, a hydrocarbyl group, an aminohydrocarbyl group, or an N-alkoxyalkyl or hydroxyalkyl substituted aminohydrocarbyl group and a is a number ranging from 0 to about 6.
- 30. A fuel composition according to claim 3 wherein R.sup.a is an amino hydrocarbyl group of the formula ##STR63## wherein each Y is a group of the formula ##STR64## wherein each R.sup.5 is independently a divalent hydrocarbyl group, each R.sup.7 is independently H, aminohydrocarbyl or an N-alkoxyalkyl- or hydroxyalkyl-substituted aminohydrocarbyl group, and a is a number ranging from 0 to about 6.
- 31. A fuel composition according to claim 1 wherein each of R.sup.b, R.sup.c, R.sup.d and R.sup.e is independently H or lower alkyl.
- 32. A fuel composition according to claim 3 wherein R.sup.a is H, lower alkyl, lower alkenyl, aminoalkyl or hydroxyalkyl or a group of the formula ##STR65## wherein each Y is a group of the formula ##STR66## or
- --R.sup.5 O--
- each R.sup.5 is a divalent hydrocarbyl group, each R.sup.7 is H, alkoxyalkyl, hydroxyalkyl, a hydrocarbyl group, an aminohydrocarbyl group, or an N-alkoxyalkyl- or hydroxyalkyl-substituted aminohydrocarbyl group, a is 0 or a number ranging from 1 to about 100 and D is a group of the formula ##STR67##
- 33. A fuel composition according to claim 1 wherein the compound of formula (I) is present in an amount effective to provide total fuel intake system cleanliness in a port fuel injected internal combustion engine.
- 34. A fuel composition according to claim 1 which further comprises a fluidizer oil.
- 35. A fuel composition according to claim 1 wherein the compound is present in an amount effective to provide fuel injector and intake valve cleanliness in a port fuel injected internal combustion engine.
- 36. A fuel composition according to claim 1 wherein the normally liquid fuel comprises gasoline.
- 37. A fuel composition according to claim 36 wherein the normally liquid fuel further comprises oxygenates.
Parent Case Info
This is a divisional of application Ser. No. 08/061,378 filed May 13, 1993, now U.S. Pat. No. 5,458,793, issued Oct. 17, 1995.
US Referenced Citations (23)
Foreign Referenced Citations (5)
Number |
Date |
Country |
2219181 |
Sep 1974 |
FRX |
2355498 |
Jan 1978 |
FRX |
1008649 |
Nov 1965 |
GBX |
1010568 |
Nov 1965 |
GBX |
9321143 |
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WOX |
Divisions (1)
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Number |
Date |
Country |
Parent |
61378 |
May 1993 |
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