Method for preventing or reducing engine knock and pre-ignition
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United States of America Patent
Stats
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Feb 20, 2018
Issued Date -
N/A
app pub date -
Apr 8, 2015
filing date -
May 8, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for preventing or reducing engine knock or pre-ignition in an engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil. The formulated oil has a composition comprising at least one ester of a non-aromatic dicarboxylic acid. The at least one ester of a non-aromatic dicarboxylic acid preferably comprises at least one adipate ester (e.g., dialkyl adipate ester). A lubricating engine oil having a composition comprising at least one ester of a non-aromatic dicarboxylic acid (e.g., adipate ester). A fuel additive composition for use in a gasoline fuel composition or a diesel fuel composition. The gasoline fuel composition or the diesel fuel composition is used in a spark ignition internal combustion engine. The fuel additive composition comprises at least one ester of a non-aromatic dicarboxylic acid (e.g., adipate ester). The lubricating oils of this disclosure are particularly advantageous as passenger vehicle engine oil products.
First Claim
Other Claims data not available
Family
| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| SG | A | SG11201608062V | Apr 20, 2015 |
| EP | A1 | EP3140373 | Apr 20, 2015 |
| WO | A1 | WO2015171292 | Apr 20, 2015 |
International Classification(s)
- 2015 Application Filing Year
- C10M Class
- 449 Applications Filed
- 316 Patents Issued To-Date
- 70.38 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 12 Citation Count
- C10M Class
- 97.23 % this patent is cited more than
- 7 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
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| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Aug 20, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 20, 2029 |
