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Composition containing heterocyclic compounds and a method of lubricating an internal combustion engine
US9982210B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9982210-B2 |
| Application number | US-201314031497-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 19, 2013 |
| Priority date | Sep 16, 2008 |
| Publication date | May 29, 2018 |
| Grant date | May 29, 2018 |
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- Title
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Abstract
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The present invention relates to a lubricating composition containing (a) an oil of lubricating viscosity; and (b) a compound selected from the group consisting of: (i) an ester-containing heterocycle; (ii) an amide-containing heterocycle; and (iii) a pyrimidine, wherein the ester-containing heterocycle and the amide-containing heterocycle have a hydrocarbyl group containing 6 to 40 carbon atoms. The invention further provides for a method of supplying an internal combustion engine with the lubricating composition.
First claim
Opening claim text (preview).
What is claimed is: 1. A method of reducing wear in engine components having surfaces comprising iron and/or aluminum, said method comprising contacting said surface with a lubricating composition comprising: a) an oil of lubricating viscosity; b) 1 wt % of a heterocycle that is an ester-containing pyridine represented by formulae: wherein, independently, each variable Y is —O—R 4 ; R 4 is a linear or branched alkyl group containing 6 to 8 carbon atoms; and X is hydrogen; (c) 0.1 wt % to 4 wt % of an overbased detergent selected from the group consisting of phenates, sulphur containing phenates, sulphonates, salicylates, and mixtures thereof; and (d) a phosphorus-containing antiwear agent that is present in an amount to deliver 100 ppm to 1000 ppm phosphorus to the lubricating composition.
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Classifications
Two-strokes {or two-cycle engines} · CPC title
Diesel engines · CPC title
Gasoline engines · CPC title
Alcohol-fuelled engines · CPC title
Base number [TBN] · CPC title
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- What does patent US9982210B2 cover?
- The present invention relates to a lubricating composition containing (a) an oil of lubricating viscosity; and (b) a compound selected from the group consisting of: (i) an ester-containing heterocycle; (ii) an amide-containing heterocycle; and (iii) a pyrimidine, wherein the ester-containing heterocycle and the amide-containing heterocycle have a hydrocarbyl group containing 6 to 40 carbon atom…
- Who is the assignee on this patent?
- Lubrizol Corp
- What technology area does this patent fall under?
- Primary CPC classification C10M133/40. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue May 29 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).