US4478604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasoline compositions containing branched chain amines or derivatives thereof
Assignee: Phillips Petroleum Co
•
Filing: 1982-04-01
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Granted: 1984-10-23
•
Expires: 2002-04-01
Abstract
Abstract Certain branched chain amines and carboxylic derivatives thereof are useful additives for lubricants and fuels.
Inventors
- 👤 Alexander D. Schuettenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:01
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/2222; C10L1/224; C10M; C10M133/00; C10M133/02; C10M133/04; C10M133/06; C10M133/16; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/08; C10M2215/082; C10M2215/12; C10M2215/24; C10M2215/26; C10M2215/28; C10N; C10N2030/00; C10N2030/12
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
47 words
A fuel composition containing a rust-inhibiting amount of at least one additive selected from: (a) 5,7,7-trimethyloctylamine, (b) a reaction product of 5,7,7-trimethyloctylamine and a C 1-12 monocarboxylic acid or ester and (c) a reaction product of 5,7,7-trimethyloctylamine and a C 2-24 polycarboxylic acid, hydrocarbyl ester, or anhydride.
Claim 2
Dependent Claim
47 words
A fuel composition containing a rust-inhibiting amount of at least one additive selected from: (a) 5,7,7-trimethyloctylamine, (b) a reaction product of 5,7,7-trimethyloctylamine and a C 1-12 monocarboxylic acid or ester and (c) a reaction product of 5,7,7-trimethyloctylamine and a C 2-24 polycarboxylic acid, hydrocarbyl ester, or anhydride.
Claim 3
Dependent Claim
29 words
A fuel composition of claim 1 wherein the additive is (b) or (c) and the carboxylic acid bears at least one substituent selected from hydroxyl, amine, and carboxyl groups.
Claim 4
Dependent Claim
21 words
A fuel composition of claims 1 or 2 wherein the acid is selected from tartaric acid, citric acid, and ethylenediaminetetraacetic acid.
Claim 5
Dependent Claim
12 words
A fuel composition containing the reaction product of 5,7,7-trimethyloctylamine and tartaric acid.
Claim 6
Dependent Claim
12 words
A fuel composition containing the reaction product of 5,7,7-trimethyloctylamine and tartaric acid.
Claim 7
Dependent Claim
12 words
A fuel composition containing the reaction product of 5,7,7-trimethyloctylamine and citric acid.
Claim 8
Dependent Claim
12 words
A fuel composition containing the reaction product of 5,7,7-trimethyloctylamine and citric acid.
Claim 9
Dependent Claim
13 words
A fuel composition containing the reaction product of 5,7,7-trimethyloctylamine and ethylene diaminetetraacetic acid.
Claim 10
Dependent Claim
13 words
A fuel composition containing the reaction product of 5,7,7-trimethyloctylamine and ethylene diaminetetraacetic acid.
Claim 11
Dependent Claim
29 words
A method for reducing engine deposits in an internal combustion engine comprising the addition of at least one additive of claim 10 to the hydrocarbon fuel for the engine.
Claim 12
Dependent Claim
34 words
The method of claim 7 wherein the additive is the reaction product of 5,7,7-trimethyloctylamine with at least one acid selected from the group consisting of tartaric acid, citric acid, and ethylene diamine tetraacetic acid.
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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) | 1987-10-23 | 1988-04-23 | 1988-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-10-23 | 1992-04-23 | 1992-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-10-23 | 1996-04-23 | 1996-10-23 | $7700.00 | Window Closed / Lapsed |