US4764183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction products of formic acid and dialkylenetriamines and fuel compositions containing same
Assignee: Mobil Oil AS
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Filing: 1987-06-24
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Granted: 1988-08-16
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Expires: 2007-06-24
Abstract
Abstract The reaction products of the appropriate triamine and organic monocarboxylic acid demonstrate friction reducing properties when formulated into lubricants, particularly lubricating oils, and fuel consumption reduction properties when formulated into such lubricants or into fuels.
Inventors
- 👤 Andrew G. Horodysky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:22
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/08; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/224; C10M; C10M133/00; C10M133/02; C10M133/16; C10M133/18; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
73 words
A liquid fuel composition comprising a major proportion of a liquid fuel and an anti-friction amount of the reaction product of obtained by reacting at an elevated temperature for a time sufficient to remove water formed during the reaction of a triamine having alkylene substituents of greater than about 12 carbon atoms each and formic acid in a molar ratio of triamine to formic acid of between about 1:1 and about 1:2 respectively.
Claim 2
Dependent Claim
73 words
A liquid fuel composition comprising a major proportion of a liquid fuel and an anti-friction amount of the reaction product of obtained by reacting at an elevated temperature for a time sufficient to remove water formed during the reaction of a triamine having alkylene substituents of greater than about 12 carbon atoms each and formic acid in a molar ratio of triamine to formic acid of between about 1:1 and about 1:2 respectively.
Claim 3
Dependent Claim
31 words
The composition of claim 1 wherein said amine is a triamine containing substituents selected from the group consisting of oleyl, soya, coca, tallow, dodecyl, tetradecyl, octadecyl, eicosyl, triacontyl and mixtures thereof.
Claim 4
Dependent Claim
65 words
The composition of claim 1 wherein said triamine is selected from the group consisting of N-oleyl diethylenetriamine, N-soya diethylenetriamine, N-coco diethylenetriamine, N-tallow diethylenetriamine, N-dodecyl diethylenetriamine, N-tetradecyl diethylenetriamine, N-octadecyl diethylenetriamine, N-eicosyl diethylenetriamine, N-triacontyl diethylentriamine, N-oleyl dipropylenetriamine, N-soya dipropylenetriamine, N-coco dipropylenetriamine N-tallow dipropylenetriamine, N-dodecyl dipropylenetriamine, N-tetradecyl dipropylenetriamine, N-octadecyl dipropylenetriamine, N-eicosyl dipropylenetriamine, N-triacontyl dipropylenetriamine, the corresponding N-C 12 to C 30 hydrocarbyl dibutylenetriamine members and corresponding mixed-member triamines.
Claim 5
Dependent Claim
15 words
The composition of claim 1 additionally containing a phenate, sulfonate, succinimide or metal dialkyl phosphorodithioate.
Claim 6
Dependent Claim
22 words
The composition of claim 1 wherein the liquid fuel is a liquid hydrocarbon, a liquid alcohol or a mixture of the two.
Claim 7
Dependent Claim
15 words
The composition of claim 5 wherein the hydrocarbon is gasoline, fuel oil or diesel oil.
Claim 8
Dependent Claim
13 words
The composition of claim 5 wherein the alcohol is methyl of ethyl alcohol.
Claim 9
Dependent Claim
16 words
The composition of claim 1 wherein the alkylene substituents are greater that about 18 carbon atoms.
Claim 10
Dependent Claim
15 words
The composition of claim 8 additionally containing a phenate, sulfonate, succinimide or metal dialkyl phosphorodithioate.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-08-16 | 1992-02-15 | 1992-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-08-16 | 1996-02-15 | 1996-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-08-16 | 2000-02-15 | 2000-08-16 | $7700.00 | Window Closed / Lapsed |