US3919094A
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: 1975-11-11
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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 an aldehyde. 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
2026-10-29 04:25
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2493; C10M; C10M159/00; C10M159/12; C10M2207/00; C10M2207/08; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/14; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/04; C10M2219/044; C10M2221/00
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
51 words
A LUBRICATING OIL COMPOSITION COMPRISING A MAJOR PROPORTION OF A LUBRICATING OIL CONTAINING A SMALL BUT EFFECTIVE AMOUNT, SUFFICIENT TO IMPART DECREASED DETERGENCY TO SAID LUBRICATING OIL, OF AN OIL-SOLUBLE DISPERSANT ADDITIVE WHICH IS THE REACTION PRODUCE OBTAINED UPON REACTING A. A PETROLEUM SULFONIC ACID WITH B. AN ADDUCT FORMED FOR
Claim 2
Dependent Claim
51 words
A LUBRICATING OIL COMPOSITION COMPRISING A MAJOR PROPORTION OF A LUBRICATING OIL CONTAINING A SMALL BUT EFFECTIVE AMOUNT, SUFFICIENT TO IMPART DECREASED DETERGENCY TO SAID LUBRICATING OIL, OF AN OIL-SOLUBLE DISPERSANT ADDITIVE WHICH IS THE REACTION PRODUCE OBTAINED UPON REACTING A. A PETROLEUM SULFONIC ACID WITH B. AN ADDUCT FORMED FOR
Claim 3
Dependent Claim
45 words
AT LEAST ONE AMINE SELECTED FROM PRIMARY MONOAMINES HAVING FROM 2 TO 10, INCLUSIVE CARBON ATOMS, AND POLYAMINES REPRESENTED BY TH FORMULA H2N ((CH2)XNH)YH WHEREIN X IS AN INTEGER OF FROM 2 TO 6 AND Y IS AN INTEGER OF FROM 1 TO 10, AND
Claim 4
Dependent Claim
45 words
AT LEAST ONE AMINE SELECTED FROM PRIMARY MONOAMINES HAVING FROM 2 TO 10, INCLUSIVE CARBON ATOMS, AND POLYAMINES REPRESENTED BY TH FORMULA H2N ((CH2)XNH)YH WHEREIN X IS AN INTEGER OF FROM 2 TO 6 AND Y IS AN INTEGER OF FROM 1 TO 10, AND
Claim 5
Dependent Claim
12 words
AT LEAST ONE ALDEHYDE HAVING FROM 2 TO 12, INCLUSIVE, CARBON ATOMS.
Claim 6
Dependent Claim
12 words
AT LEAST ONE ALDEHYDE HAVING FROM 2 TO 12, INCLUSIVE, CARBON ATOMS.
Claim 7
Dependent Claim
12 words
at least one aldehyde having from 2 to 12, inclusive, carbon atoms.
Claim 8
Dependent Claim
12 words
at least one aldehyde having from 2 to 12, inclusive, carbon atoms.
Claim 9
Dependent Claim
76 words
A composition of claim 1 comprising a major proportion of a lubricating oil and from about 0.2 to about 30 weight percent of the reaction product obtained by the reaction wherein (a) is 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) us an adduct formed from tetraethylenepentamine and valeraldehyde.
Claim 10
Dependent Claim
12 words
at least one aldehyde having from 2 to 12, inclusive, carbon atoms.
Claim 11
Dependent Claim
12 words
at least one aldehyde having from 2 to 12, inclusive, carbon atoms.
Claim 12
Dependent Claim
76 words
A composition of claim 1 comprising a major proportion of a lubricating oil and from about 0.2 to about 30 weight percent of the reaction product obtained by the reaction wherein (a) is 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) is an adduct formed from tetraethylenepentamine and salicylaldehyde.
Claim 13
Dependent Claim
76 words
A composition of claim 1 comprising a major proportion of a lubricating oil and from about 0.2 to about 30 weight percent of the reaction product obtained by the reaction wherein (a) is 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) is an adduct formed from tetraethylenepentamine and p-anisaldehyde.
Claim 14
Dependent Claim
50 words
An internal combustion engine fuel comprising hydrocarbons in the gasoline boiling range containing a small but effective amount, sufficient to impart increased detergency to said fuel, of an oil-soluble dispersant additive which is the reaction product obtained upon reacting a. a petroleum sulfonic acid with b. an adduct formed from
Claim 15
Dependent Claim
50 words
An internal combustion engine fuel comprising hydrocarbons in the gasoline boiling range containing a small but effective amount, sufficient to impart increased detergency to said fuel, of an oil-soluble dispersant additive which is the reaction product obtained upon reacting a. a petroleum sulfonic acid with b. an adduct formed from
Claim 16
Dependent Claim
36 words
A composition according to claim 5 wherein the amount of said additive present in said motor fuel is in the range of 0.001 to 0.2 parts by weight additive per 100 parts by weight of gasoline.
Claim 17
Dependent Claim
16 words
A composition according to claim 5 which contains up to 5 ml tetraethyl lead per gallon.
Claim 18
Dependent Claim
89 words
An internal combustion engine fuel of claim 5 comprising a major proportion of hydrocarbons in the gasoline boiling range of 70*-420*F and from about 0.001 to 0.2 weight parts per 100 weight parts of gasoline of the reaction product obtained by the reaction wherein (a) is 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) is an adduct formed from tetraethylenepentamine and valeraldehyde.
Claim 19
Dependent Claim
90 words
An internal combustion engine fuel of claim 5 comprising a major proportion of hydrocarbons in the gasoline boiling range of 70*- 420*F and from about 0.001 to 0.2 weight parts per 100 weight parts of gasoline of the reaction product obtained by the reaction wherein (a) is a petroleum sulfonic acid prepared by sulfonating a petroleum hydrocarbon fraction having a viscosity within the range of 90 to 270 SUS at 0*F and a viscosity index of at least about 85 and (b) is an adduct formed from tetraethylenepentamine and salicylaldehyde.
Claim 20
Dependent Claim
88 words
An internal engine fuel of claim 5 comprising a major proportion of hydrocarbons in the gasoline boiling range of 70*-420*F and from about 0.001 to 0.2 weight parts per 100 weight parts of gasoline of the reaction product obtained by the reaction wherein (a) is 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) is an adduct formed from tetraethylenepentamine and p-anisaldehyde.
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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) | 1978-11-10 | 1979-05-12 | 1979-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-10 | 1983-05-12 | 1983-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-10 | 1987-05-12 | 1987-11-11 | $7700.00 | Window Closed / Lapsed |