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US3919094A Expired / Lapsed US ⏱️ 0.0 years remaining

Additives for lubricants and motor fuels

Assignee: Phillips Petroleum Co
•
Filing: 1974-09-06
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Granted: 1975-11-11
•
Expires: 1994-09-06
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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.

References Cited (Backward Citations)

US2831810A Cited
US2721843A Cited
US2906613A Cited
US3043783A Cited
US3264894A Cited
US3441369A Cited
US3401117A Cited
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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

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