US4684373A
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Gasoline additive composition
Assignee: Illinois Tool Works Inc
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Filing: 1986-07-31
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Granted: 1987-08-04
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Expires: 2006-07-31
Abstract
Abstract A gasoline additive composition comprising an organic peroxide and a gasoline detergent in a hydrocarbon solvent. Improvements in engine power, fuel economy, and emissions are achieved when the composition is added to gasoline.
Inventors
- 👤 Marcel Vataru
- 👤 Thomas A. Schenach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:07
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/02; C10L1/00; C10L1/10; C10L1/14; C10L1/16; C10L1/1616; C10L1/18; C10L1/1811; C10L1/22; C10L1/222; C10L1/2222; C10L1/2225; C10L1/232
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
153 words
A gasoline additive composition comprising the following components: (a) from about 0.1 to about 20% by weight of an organic peroxide; (b) from about 0.5 to about 20% by weight of a gasoline detergent selected from fatty amines and the ethoxylated and propoxylated derivatives thereof, fatty diamines, fatty imidazolines formed by reaction of a fatty acid having from ten to twenty carbon atoms with ethylene diamine and derivatives thereof, polymeric amines and derivatives thereof; and combinations of said amines, diamines, fatty imidazolines, and polymeric amines with carboxylic acids having from three to forty carbon atoms; (c) from about 99.4 to about 60% by weight of a hydrocarbon solvent selected from unleaded gasoline and higher boiling solvents compatible with gasoline and having no adverse effect on the performance of gasoline in the engine; said composition intended to be used in unleaded and leaded gasolines at a level of from about 0.01% to about 5%.
Claim 2
Dependent Claim
153 words
A gasoline additive composition comprising the following components: (a) from about 0.1 to about 20% by weight of an organic peroxide; (b) from about 0.5 to about 20% by weight of a gasoline detergent selected from fatty amines and the ethoxylated and propoxylated derivatives thereof, fatty diamines, fatty imidazolines formed by reaction of a fatty acid having from ten to twenty carbon atoms with ethylene diamine and derivatives thereof, polymeric amines and derivatives thereof; and combinations of said amines, diamines, fatty imidazolines, and polymeric amines with carboxylic acids having from three to forty carbon atoms; (c) from about 99.4 to about 60% by weight of a hydrocarbon solvent selected from unleaded gasoline and higher boiling solvents compatible with gasoline and having no adverse effect on the performance of gasoline in the engine; said composition intended to be used in unleaded and leaded gasolines at a level of from about 0.01% to about 5%.
Claim 3
Dependent Claim
16 words
The gasoline additive composition of claim 1 wherein the organic peroxide component is di-tertiary butyl peroxide.
Claim 4
Dependent Claim
22 words
The gasoline additive composition of claim 2 wherein the gasoline detergent is a fatty imidazoline in combination with a dimethyl alkanoic acid.
Claim 5
Dependent Claim
44 words
The gasoline additive composition of claim 3 wherein the di-tertiary butyl peroxide is present at a level of about 1 to 10% and the fatty imidazoline and dimethyl alkanoic acid gasoline detergent combination is present at a level of from about 2 to 10%.
Claim 6
Dependent Claim
29 words
An improved fuel composition for a gasoline internal combustion engine comprising gasoline in admixture with from about 0.25 to about 1.5% of the gasoline additive composition of claim 1.
Claim 7
Dependent Claim
101 words
An additive composition for use in gasoline to be combusted in an internal combustion engine, said composition comprising, in admixture form: (a) between about 0.1 and 20 relative weight parts of an organic peroxide, and (b) between about 0.5 and 20 relative weight parts of detergent selected from the component group that consists of: (i) fatty amines (ii) ethoxylated and propoxylated derivatives of fatty amines (iii) fatty diamines (iv) fatty imidazolines (v) polymeric amines and derivatives thereof, (vi) combination of one or more of said (i) through (v) components with carboxylic acid or acids having from three to forty carbon atoms.
Claim 8
Dependent Claim
101 words
An additive composition for use in gasoline to be combusted in an internal combustion engine, said composition comprising, in admixture form: (a) between about 0.1 and 20 relative weight parts of an organic peroxide, and (b) between about 0.5 and 20 relative weight parts of detergent selected from the component group that consists of: (i) fatty amines (ii) ethoxylated and propoxylated derivatives of fatty amines (iii) fatty diamines (iv) fatty imidazolines (v) polymeric amines and derivatives thereof, (vi) combination of one or more of said (i) through (v) components with carboxylic acid or acids having from three to forty carbon atoms.
Claim 9
Dependent Claim
29 words
The composition of claim 6 wherein said fatty imidazolines are formed by reaction of fatty acid having from ten to twenty carbon atoms with ethylene diamine or derivatives thereof.
Claim 10
Dependent Claim
34 words
The composition of claim 6 that also includes: (c) from about 99.4 to 60 relative weight parts of a hydrocarbon solvent selected from the group consisting of (i) gasoline (ii) kerosene (iii) fuel oil.
Claim 11
Dependent Claim
43 words
The composition of claim 6 wherein said carboxylic acid is selected from the group that consists of (x 1 ) 2,2-dimethylalkanoic acids having from about five to thirteen carbon atoms (x 2 ) oleic acid (x 3 ) dimerized acid of linoleic acid
Claim 12
Dependent Claim
29 words
The composition of claim 6 wherein said polymeric amines and derivatives thereof are selected from the group that consists of (x 1 ) polybuteneamine (x 2 ) polybuteneamine polyether.
Claim 13
Dependent Claim
29 words
An internal combustion engine fuel consisting of composition of claim 6 in admixture with gasoline, wherein said composition is between 0.01 and 1.0 percent by weight of the fuel.
Claim 14
Dependent Claim
13 words
The composition of claim 6 wherein the organic peroxide is di-tertiary butyl peroxide.
Claim 15
Dependent Claim
18 words
The composition of claim 12 wherein the detergent is fatty imidazoline in combination with a dimethyl alkanoic acid.
Claim 16
Dependent Claim
42 words
The composition of claim 13 wherein the di-tertiary butyl peroxide is present at a level of about 1 to 10% and the fatty imidazoline and dimethyl alkanoic acid gasoline detergent combination is present at a level of from about 2 to 10%.
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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) | 1990-08-03 | 1991-02-02 | 1991-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-03 | 1995-02-02 | 1995-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-03 | 1999-02-02 | 1999-08-04 | $7700.00 | Window Closed / Lapsed |