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US4594171A Expired / Lapsed US ⏱️ 0.0 years remaining

Friction reducing additives and compositions thereof

Assignee: Mobil Oil AS
•
Filing: 1984-06-26
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Granted: 1986-06-10
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Expires: 2004-06-26
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Abstract

Abstract Certain borated additive compounds, such as borated mixed ethoxylated amines and ethoxylated amides or hydroxyalkyl imidazolines and hydroxyesters or hydrolyzed hydroxyalkyl imidazolines and ethoxylated amides and combinations thereof, provide highly effective multifunctional characteristics for various lubricating media into which they are incorporated.

Inventors

  • 👤 Andrew G. Horodysky
  • 👤 Joan M. Kaminski

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 18:56
CPC Classifications
C; C10; C10M; C10M139/00; C10M2227/00; C10M2227/06; C10M2227/061

Claims Analysis

Total Claims: 13
Claim 1
Independent Claim 81 words
A lubricant composition comprising a major proportion of an oil of lubricating viscosity or grease or other solid lubricant prepared therefrom and a minor effective amount of a multifunctional additive selected from borated mixed ethoxylated hydrocarbyl amines-hydrolyzed hydroxyalkly or hydroxyalkenyl hydrocarbyl imidazolines; and various combinations of these wherein each compound has from about 1 to about 30 carbon atoms havng one or more double bonds, one or more halogen or sulfur atoms or aromatic rings or is alkyl or substituted alkyl.
Claim 2
Dependent Claim 81 words
A lubricant composition comprising a major proportion of an oil of lubricating viscosity or grease or other solid lubricant prepared therefrom and a minor effective amount of a multifunctional additive selected from borated mixed ethoxylated hydrocarbyl amines-hydrolyzed hydroxyalkly or hydroxyalkenyl hydrocarbyl imidazolines; and various combinations of these wherein each compound has from about 1 to about 30 carbon atoms havng one or more double bonds, one or more halogen or sulfur atoms or aromatic rings or is alkyl or substituted alkyl.
Claim 3
Dependent Claim 19 words
The composition of claim 1 wherein the additive is borated mixed ethoxylated hydrocarbyl amines and hydrolyzed hydroxyalkyl hydrocarbyl imidazolines.
Claim 4
Dependent Claim 16 words
The composition of claim 2 wherein the additive is borated mixed bis(2-hydroxyethyl)oleylamine and hydrolyzed 1-(2-hydroxyethyl)-2-heptadecenyl imidazoline.
Claim 5
Dependent Claim 18 words
The composition of claim 1 wherein said oil is selected from mineral ois, synthetic oils and mixtures thereof.
Claim 6
Dependent Claim 12 words
The composition of claim 1 wherein said oil is a synthetic oil.
Claim 7
Dependent Claim 14 words
The composition of claim 1 wherein said oil is a mixture of synthetic oils.
Claim 8
Dependent Claim 12 words
The composition of claim 1 wherein said oil is a mineral oil.
Claim 9
Dependent Claim 12 words
The composition of claim 1 wherein said major proportion comprises a grease.
Claim 10
Dependent Claim 8 words
A borated additive as described in claim 2.
Claim 11
Dependent Claim 8 words
A borated additive as described in claim 3.
Claim 12
Dependent Claim 26 words
A method for reducing fuel consumption in an internal combustion engine comprising treating the moving surfaces thereof with a lubricant composition as described in claim 1.
Claim 13
Dependent Claim 19 words
The composition of claim 1 wherein the additive is borated mixed ethoxylated hydrocarbyl amines and hydrolyzed hydroxyalkenyl hydrocarbyl imidazolines.

References Cited (Backward Citations)

US4273665A Cited
US4406802A Cited
US4478732A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-06-09 1989-12-09 1990-06-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-06-09 1993-12-09 1994-06-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-06-09 1997-12-09 1998-06-10 $7700.00 Window Closed / Lapsed

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