US4808196A
Expired / Lapsed
US
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Fuels containing N-alkylalkylenediamine amides
Assignee: Mobil Oil AS
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Filing: 1988-06-02
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Granted: 1989-02-28
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Expires: 2008-06-02
Abstract
Abstract The invention provides certain N-alkylalkylenediamine amides and their use as friction reducing additives in lubricants. They are also antioxidants and are useful in applications where additive are not corrosive to copper.
Inventors
- 👤 Andrew G. Horodysky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:13
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/08; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/224; C10L10/04; C10M; C10M133/00; C10M133/02; C10M133/16; C10M2215/00; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28; C10N; C10N2040/00; C10N2040/25; C10N2040/251; C10N2040/255; C10N2040/28
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
96 words
A liquid fuel composition comprising a major proportion of a liquid fuel, and a friction reducing or antioxidant amount of a product of the formula ##STR10## wherein R 1 is a C 2 to C 4 alkylene group, R 2 must be a C 12 to C 30 hydrocarbyl group and R 3 is (1) hydrogen, (2) a ##STR11## group wherein R 4 is hyrogen or a C 1 to C 3 alkyl group or (3) a C 1 to C 3 aliphatic group, at least one of the R 3 groups being selected from (2).
Claim 2
Dependent Claim
96 words
A liquid fuel composition comprising a major proportion of a liquid fuel, and a friction reducing or antioxidant amount of a product of the formula ##STR10## wherein R 1 is a C 2 to C 4 alkylene group, R 2 must be a C 12 to C 30 hydrocarbyl group and R 3 is (1) hydrogen, (2) a ##STR11## group wherein R 4 is hyrogen or a C 1 to C 3 alkyl group or (3) a C 1 to C 3 aliphatic group, at least one of the R 3 groups being selected from (2).
Claim 3
Dependent Claim
18 words
The composition of claim 1 wherein R 2 is an alkyl, alkenyl, aryl, aralkyl, alkaryl or cycloalkyl group.
Claim 4
Dependent Claim
14 words
The composition of claim 1 wherein R 2 and R 3 are alkyl groups.
Claim 5
Dependent Claim
14 words
The composition of claim 1 wherein R 2 and R 3 are alkenyl groups.
Claim 6
Dependent Claim
17 words
The composition of claim 1 wherein at least one R 3 is the R 4 C═O group.
Claim 7
Dependent Claim
10 words
The composition of claim 5 wherein R 4 is hydrogen.
Claim 8
Dependent Claim
27 words
The composition of claim 1 wherein R 2 is a dodecyl, oleyl, tallow, coco, isostearyl, stearyl, linoleyl, soya, hexadecyl or heptadecyl group or mixtures of such groups.
Claim 9
Dependent Claim
12 words
The composition of claim 1 wherein the product has the formula ##STR12##
Claim 10
Dependent Claim
12 words
The composition of claim 1 wherein the product has the formula ##STR13##
Claim 11
Dependent Claim
12 words
The composition of claim 1 wherein the product has the formula ##STR14##
Claim 12
Dependent Claim
12 words
The composition of claim 1 wherein the product has the formula ##STR15##
Claim 13
Dependent Claim
15 words
The composition of claim 1 wherein said fuel is a liquid hydrocarbon of alcohol fuel.
Claim 14
Independent Claim
111 words
A method for reducing fuel consumption in an internal combustion engine which comprises fueling said engine with a liquid fuel composition containing per 1000 barrels of fuel between about 25 and about 500 pounds of a product of the formula ##STR16## wherein R 1 is a C 2 to C 4 alkylene group, R 2 must be a C 12 to C 30 hydrocarbyl group and R 3 is (1) hydrogen, (2) a ##STR17## group wherein R 4 is hydrogen or a C 1 to C 3 alkyl group or (3) a C 1 to C 3 aliphatic group, at least one of the R 3 groups being selected from (2).
Claim 15
Independent Claim
111 words
A method for reducing fuel consumption in an internal combustion engine which comprises fueling said engine with a liquid fuel composition containing per 1000 barrels of fuel between about 25 and about 500 pounds of a product of the formula ##STR16## wherein R 1 is a C 2 to C 4 alkylene group, R 2 must be a C 12 to C 30 hydrocarbyl group and R 3 is (1) hydrogen, (2) a ##STR17## group wherein R 4 is hydrogen or a C 1 to C 3 alkyl group or (3) a C 1 to C 3 aliphatic group, at least one of the R 3 groups being selected from (2).
Claim 16
Dependent Claim
28 words
A liquid fuel composition comprising a major portion of a liquid fuel and a friction reducing or antioxidant amount of a mixture of compounds of the formulas: ##STR18##
Claim 17
Dependent Claim
28 words
A liquid fuel composition comprising a major portion of a liquid fuel and a friction reducing or antioxidant amount of a mixture of compounds of the formulas: ##STR18##
Claim 18
Dependent Claim
28 words
A liquid fuel composition comprising a major portion of a liquid fuel and a friction reducing or antioxidant amount of a mixture of compounds of the formulas: ##STR19##
Claim 19
Dependent Claim
28 words
A liquid fuel composition comprising a major portion of a liquid fuel and a friction reducing or antioxidant amount of a mixture of compounds of the formulas: ##STR19##
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-02-28 | 1992-08-29 | 1993-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-02-28 | 1996-08-29 | 1997-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-02-28 | 2000-08-29 | 2001-02-28 | $7700.00 | Window Closed / Lapsed |