US4078901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent fuel composition
Assignee: Texaco Inc
•
Filing: 1976-12-20
•
Granted: 1978-03-14
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Expires: 1996-12-20
Abstract
Abstract Motor fuel composition comprising a mixture of hydrocarbons in the gasoline boiling range containing a minor detergent amount of an aminimide represented by the formula: ##STR1## in which R' is a hydrocarbon radical having from about 10 to 24 carbon atoms and R is hydrogen or a hydrocarbon radical having from 1 to 20 carbon atoms.
Inventors
- 👤 Rodney L. Sung
- 👤 Peter Dorn
- 👤 William P. Cullen
- 👤 Raymond C. Schlicht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:02
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/226
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
61 words
A motor fuel composition comprising a mixture of hydrocarbons in a gasoline boiling range containing from about 0.001 to 5.0 weight percent of an aminimide represented by the formula: ##STR4## in which R' is a hydrocarbon radical having from about 10 to 24 carbon atoms and R is hydrogen or a hydrocarbon radical having from 1 to about 20 carbon atoms.
Claim 2
Dependent Claim
61 words
A motor fuel composition comprising a mixture of hydrocarbons in a gasoline boiling range containing from about 0.001 to 5.0 weight percent of an aminimide represented by the formula: ##STR4## in which R' is a hydrocarbon radical having from about 10 to 24 carbon atoms and R is hydrogen or a hydrocarbon radical having from 1 to about 20 carbon atoms.
Claim 3
Dependent Claim
37 words
A motor fuel composition according to claim 1 in which R' is a hydrocarbon radical having from 14 to 20 carbon atoms and R is hydrogen or a hydrocarbon radical having from 1 to 4 carbon atoms.
Claim 4
Dependent Claim
26 words
A motor fuel composition according to claim 1, in which R' is a hydrocarbon radical having from 16 to 18 carbon atoms and R is hydrogen.
Claim 5
Dependent Claim
14 words
A motor fuel composition according to claim 1, in which said aminimide is N-2-hydroxyethyl-N,N-dimethyl-N'-tallowaminimide.
Claim 6
Dependent Claim
14 words
A motor fuel composition according to claim 1, in which said aminimide is N-2-hydroxyethyl-N,N-dimethyl-N'-cocoaminimide.
Claim 7
Dependent Claim
14 words
A motor fuel composition according to claim 1, in which said aminimide is N-2-hydroxyethyl-N,N-dimethyl-N'-soyaaminimide.
Claim 8
Dependent Claim
14 words
A motor fuel composition according to claim 1, in which said aminimide is N-2-hydroxyethyl-N,N-dimethyl-N'-stearaminimide.
Claim 9
Dependent Claim
14 words
A motor fuel composition according to claim 1, in which said aminimide is N-2-hydroxyethyl-N,N-dimethyl-N'-laurylaminimide.
Claim 10
Dependent Claim
14 words
A motor fuel composition according to claim 1, in which said aminimide is N-2-hydroxyethyl-N,N-dimethyl-N'-palmitaminimide.
Claim 11
Dependent Claim
19 words
A motor fuel composition according to claim 1, containing from about 0.001 to 0.05 weight percent of said aminimide.
Claim 12
Dependent Claim
19 words
A motor fuel composition according to claim 2, containing from about 0.01 to 0.02 weight percent of said aminimide.
References Cited (Backward Citations)
US3485806A
Cited
US3704109A
Cited
US3773722A
Cited
US3706800A
Cited
US3897348A
Cited
US3985807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-03-13 | 1981-09-12 | 1982-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-03-13 | 1985-09-12 | 1986-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-03-13 | 1989-09-12 | 1990-03-14 | $7700.00 | Window Closed / Lapsed |