US3655560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuels and lubricants containing aminoguanidine antioxidants
Assignee: Mobil Oil AS
•
Filing: 1970-05-18
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Granted: 1972-04-11
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Expires: 1990-05-18
Abstract
Abstract Organic compositions are provided containing, as improving agents, compounds selected from the group consisting of ketimines of aminoguanidine, aldimines of ketimines of aminoguanidine and aldimines of amides of aminoguanidine. These compounds act as antioxidants and metal deactivators for fuel oils, lubricating oils and greases.
Inventors
- 👤 Harry J Andress Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:29
CPC Classifications
C; C07; C07C; C07C281/00; C07C281/16; C07C281/18; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/226; C10L1/228; C10L1/2283; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/14; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2205/00; C10M2205/02; C10M2205/024; C10M2207/00; C10M2207/04; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/105; C10M2211/00; C10M2211/02; C10M2215/00; C10M2215/10; C10M2215/102; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2227/00; C10M2227/02; C10M2227/04; C10M2227/08; C10M2227/081; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
28 words
A composition as defined in claim 1 wherein said agent is present in an amount from about 0.1 to about 200 pounds per thousand barrels of said composition.
Claim 2
Dependent Claim
28 words
A composition as defined in claim 1 wherein said agent is present in an amount from about 1 to about 10 pounds per thousand barrels of said composition.
Claim 3
Dependent Claim
43 words
A composition as defined in claim 1 wherein said composition is a liquid hydrocarbon comprising a petroleum distillate fuel having an initial boiling point from about 75* to about 135* F. and an end boiling point from about 250* to about 750* F.
Claim 4
Dependent Claim
14 words
A composition as defined in claim 1 wherein said liquid hydrocarbon comprises a gasoline.
Claim 5
Dependent Claim
15 words
A composition as defined in claim 1 wherein said liquid hydrocarbon comprises a jet fuel.
Claim 6
Dependent Claim
15 words
A composition as defined in claim 1 wherein said liquid hydrocarbon comprises a diesel fuel.
Claim 7
Dependent Claim
14 words
A composition as defined in claim 1 wherein said composition comprises a lubricating oil.
Claim 8
Dependent Claim
15 words
A composition as defined in claim 1 wherein said liquid hydrocarbon comprises a turbine oil.
Claim 9
Dependent Claim
13 words
A composition as defined in claim 1 wherein said composition comprises a grease.
Claim 10
Dependent Claim
33 words
A composition as defined in claim 1 wherein said agent comprises the methyl coco ketimine of aminoguanidine having the structure shown in claim 1 in which R1 is methyl and R2 is coco.
Claim 11
Dependent Claim
36 words
A composition as defined in claim 1 wherein said agent comprises the salicylaldimine of the methyl coco ketimine of aminoguanidine having the structure shown in claim 1 in which R1 is methyl and R2 is coco.
Claim 12
Dependent Claim
36 words
A composition as defined in claim 1 wherein said agent comprises the salicylaldimine of the methyl nonyl ketimine of aminoguanidine having the structure shown in claim 1 in which R1 is methyl and R2 is nonyl.
Claim 13
Dependent Claim
27 words
A composition as defined in claim 1 wherein said agent comprises the aldimine of the amide of aminoguanidine shown in claim 1 in which R is phenylstearyl.
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) | 1975-04-11 | 1975-10-11 | 1976-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-11 | 1979-10-11 | 1980-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-11 | 1983-10-11 | 1984-04-11 | $7700.00 | Window Closed / Lapsed |