US3894849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasoline
Assignee: EIDP Inc
•
Filing: 1973-11-29
•
Granted: 1975-07-15
•
Expires: 1993-11-29
Abstract
Abstract Composition exhibiting good anti-icing, anti-rust and carburetor and lower engine detergent properties and comprising a hydrocarbon mixture boiling in the gasoline range and an effective amount, usually 0.002-0.2% by weight, based on the weight of the hydrocarbon mixture, of a generally liquid, acylated polyalkylene polyamine which is substantially free of nitrogen-containing cyclic groups and is of the formula wherein R'' is C9-21 saturated or unsaturated aliphatic hydrocarbyl, n is 2 or 3 and x is 2-6.
Inventors
- 👤 Perry Polss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:05
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/04; C10L1/00; C10L1/10; C10L1/14; C10L1/143; C10L1/22; C10L1/222; C10L1/224; C10L10/06; C10L10/14; C10L1/18; C10L1/192; C10L1/198; C10L1/1985; C10L1/2222; C10L1/2225
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
54 words
COMPOSITION EXHIBITING GOOD ANTIICING, ANTI-RUST AND CARBURETOR AND LOWER ENGINE DETERGENT PROPERTIES AND COMPRISING A HYDROCARBON MIXTURE BOILING IN THE GASOLINE RANGE AND 0.002-0.02% BY WEIGHT, BASED ON THE WEIGHT OF THE HYDROCARBON MIXTURE, OF A GENERALLY LIQUID, ACYLATED POLYALKYLENE POLYAMINE WHICH IS SUBSTANTIALLY FREE OF NITROGEN-CONTAINING CYCLIC GROUPS AND IS OF THE FORMULA
Claim 2
Dependent Claim
54 words
COMPOSITION EXHIBITING GOOD ANTIICING, ANTI-RUST AND CARBURETOR AND LOWER ENGINE DETERGENT PROPERTIES AND COMPRISING A HYDROCARBON MIXTURE BOILING IN THE GASOLINE RANGE AND 0.002-0.02% BY WEIGHT, BASED ON THE WEIGHT OF THE HYDROCARBON MIXTURE, OF A GENERALLY LIQUID, ACYLATED POLYALKYLENE POLYAMINE WHICH IS SUBSTANTIALLY FREE OF NITROGEN-CONTAINING CYCLIC GROUPS AND IS OF THE FORMULA
Claim 3
Dependent Claim
54 words
Additive for imparting good anti-icing, anti-rust and carburetor and lower engine detergent properties to a hydrocarbon mixture boiling in the gasoline range, said additive comprising a 30-70% by weight alkanol or aromatic hydrocarbon solution of a generally liquid, acylated polyalkylene polyamine which is substantially free of nitrogen-containing cyclic groups and is of the formula
Claim 4
Dependent Claim
54 words
Additive for imparting good anti-icing, anti-rust and carburetor and lower engine detergent properties to a hydrocarbon mixture boiling in the gasoline range, said additive comprising a 30-70% by weight alkanol or aromatic hydrocarbon solution of a generally liquid, acylated polyalkylene polyamine which is substantially free of nitrogen-containing cyclic groups and is of the formula
Claim 5
Dependent Claim
19 words
The additive of claim 2 which contains an anti-icing agent which is an amine carboxylate salt of the formula
Claim 6
Dependent Claim
21 words
The additive of claim 3 wherein the weight ratio of polyamine to anti-icing agent is in the range 1:1.5 to 1.5:1.
Claim 7
Dependent Claim
28 words
The additive of claim 4 wherein the anti-icing agent is a salt of tall oil fatty acid and a C18 n-alkyl or n-alkenyl amine containing 4-6 oxyethylene groups.
Claim 8
Dependent Claim
9 words
The additive of claim 2 wherein n is 2.
Claim 9
Dependent Claim
16 words
The additive of claim 6 wherein R''-C represents the acyl moiety of tall oil fatty acid.
Claim 10
Dependent Claim
9 words
The composition of claim 1 wherein n is 2.
Claim 11
Dependent Claim
10 words
The additive of claim 7 wherein the total number of
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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) | 1978-07-14 | 1979-01-13 | 1979-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-14 | 1983-01-13 | 1983-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-14 | 1987-01-13 | 1987-07-15 | $7700.00 | Window Closed / Lapsed |