US3909427A
Expired / Lapsed
US
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Additives for lubricants and motor fuels
Assignee: Phillips Petroleum Co
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Filing: 1974-09-06
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Granted: 1975-09-30
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Expires: 1994-09-06
Abstract
Abstract Improved additives for lubricants and motor fuels are provided by a process comprising reacting a petroleum sulfonic acid with an adduct formed from an amine and either urea or thiourea. Lubricating oil compositions and motor fuels containing said additives are also provided.
Inventors
- 👤 Sidney Schiff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:08
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2493; C07; C07G; C07G99/00; C07G99/002; C10M; C10M1/00; C10M1/08; C10M2219/00; C10M2219/04; C10M2219/044
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
50 words
A LUBRICATING OIL COMPOSITION COMPRISING A MAJOR PROPORTION OF A LUBRICATING OIL CONTAINING A SMALL BUT EFFECTIVE AMOUNT SUFFICIENT TO IMPART INCREASED DETERGENCY TO SAID LUBRICATING OIL OF A DISPERSANT ADDITIVE WHICH IS THE REACTION PRODUCT OBTAINED UPON REACTING A A PETROLEUM SULFONIC ACID WITH B. AN ADDUCT FORMED FROM
Claim 2
Dependent Claim
50 words
A LUBRICATING OIL COMPOSITION COMPRISING A MAJOR PROPORTION OF A LUBRICATING OIL CONTAINING A SMALL BUT EFFECTIVE AMOUNT SUFFICIENT TO IMPART INCREASED DETERGENCY TO SAID LUBRICATING OIL OF A DISPERSANT ADDITIVE WHICH IS THE REACTION PRODUCT OBTAINED UPON REACTING A A PETROLEUM SULFONIC ACID WITH B. AN ADDUCT FORMED FROM
Claim 3
Dependent Claim
24 words
AT LEAST ONE AMINE SELECTED FROM PRIMARY MONOAMINES HAVING FROM 2 TO 10 INCLUSIVE CARBON ATOMS AND POLYAMINES REPRESENTED BY THE FORMULA H2N CH2)ZNH
Claim 4
Dependent Claim
24 words
AT LEAST ONE AMINE SELECTED FROM PRIMARY MONOAMINES HAVING FROM 2 TO 10 INCLUSIVE CARBON ATOMS AND POLYAMINES REPRESENTED BY THE FORMULA H2N CH2)ZNH
Claim 5
Dependent Claim
23 words
AT LEAST ONE AMINE SELECTED FROM PRIMARY MONOAMINES HAVING FROM 2 TO 10 INCLUSIVE CARBON ATOMS AND POLYAMINES REPRESENTED BY THE FORMULA H2N(((CH2)XNH
Claim 6
Dependent Claim
23 words
AT LEAST ONE AMINE SELECTED FROM PRIMARY MONOAMINES HAVING FROM 2 TO 10 INCLUSIVE CARBON ATOMS AND POLYAMINES REPRESENTED BY THE FORMULA H2N(((CH2)XNH
Claim 7
Dependent Claim
3 words
UREA OR THIOUREA.
Claim 8
Dependent Claim
3 words
UREA OR THIOUREA.
Claim 9
Dependent Claim
3 words
urea or thiourea.
Claim 10
Dependent Claim
3 words
urea or thiourea.
Claim 11
Dependent Claim
22 words
A composition according to claim 1 wherein the lubricating oil contains from about 0.2 to about 30 weight percent of said additive.
Claim 12
Dependent Claim
3 words
UREA OR THIOUREA.
Claim 13
Dependent Claim
3 words
UREA OR THIOUREA.
Claim 14
Dependent Claim
3 words
urea or thiourea.
Claim 15
Dependent Claim
3 words
urea or thiourea.
Claim 16
Dependent Claim
59 words
A composition according to claim 1 wherein said additive is the reaction product obtained upon reacting (a) a petroleum sulfonic acid prepared by sulfonating a petroleum hydrocarbon fraction having a viscosity within the range of 90 to 270 SUS at 210*F and a viscosity index of at least about 85 and (b) an adduct formed from tetraethylenepentamine and urea.
Claim 17
Dependent Claim
59 words
A composition according to claim 1 wherein said additive is the reaction product obtained upon reacting (a) a petroleum sulfonic acid prepared by sulfonating a petroleum hydrocarbon fraction having a viscosity within the range of 90 to 270 SUS at 210*F and a viscosity index of at least about 85 and (b) an adduct formed from tetraethylenepentamine and thiourea.
Claim 18
Dependent Claim
48 words
A MOTOR FUEL COMPRISING A MAJOR PROPORTION OF MOTOR FUEL CONTAINING A SMALL BUT EFFECTIVE AMOUNT SUFFICIENT TO IMPART DEPOSIT-FORMING REDUCED TENDENCIES TO SAID MOTOR DUEL OF AN ADDITIVE WHICH IS THE REACTION PRODUCT OBTAINED UPON REACTING A. A PETROLEUM SULFONIC ACID WITH B. AN ADDUCT FORMED FROM
Claim 19
Dependent Claim
48 words
A MOTOR FUEL COMPRISING A MAJOR PROPORTION OF MOTOR FUEL CONTAINING A SMALL BUT EFFECTIVE AMOUNT SUFFICIENT TO IMPART DEPOSIT-FORMING REDUCED TENDENCIES TO SAID MOTOR DUEL OF AN ADDITIVE WHICH IS THE REACTION PRODUCT OBTAINED UPON REACTING A. A PETROLEUM SULFONIC ACID WITH B. AN ADDUCT FORMED FROM
Claim 20
Dependent Claim
27 words
A composition according to claim 5 wherein the motor fuel contains from about 0.001 to about 0.2 weight part of additive per 100 weight parts motor fuel.
Claim 21
Dependent Claim
23 words
A composition according to claim 5 wherein the motor fuel is a distillate boiling in the range of about 70* to about 420*F.
Claim 22
Dependent Claim
59 words
A composition according to claim 5 wherein said additive is the reaction product obtained upon reacting (a) a petroleum sulfonic acid prepared by sulfonating a petroleum hydrocarbon fraction having a viscosity within the range of 90 to 270 SUS at 210*F and a viscosity index of at least about 85 and (b) an adduct formed from tetraethylenepentamine and urea.
Claim 23
Dependent Claim
59 words
A composition according to claim 5 wherein said additive is the reaction product obtained upon reacting (a) a petroleum sulfonic acid prepared by sulfonating a petroleum hydrocarbon fraction having a viscosity within the range of 90 to 270 SUS at 210*F and a viscosity index of at least about 85 and (b) an adduct formed from tetraethylenepentamine and thiourea.
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) | 1978-09-29 | 1979-03-31 | 1979-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-29 | 1983-03-31 | 1983-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-29 | 1987-03-31 | 1987-09-30 | $7700.00 | Window Closed / Lapsed |