LUBRICANT COMPOSITIONS FOR DIRECT INJECTION ENGINES
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
N/A
app pub date -
Nov 6, 2014
filing date -
Jul 18, 2012
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A lubricant additive, an crankcase lubricant composition and a method for reducing intake valve deposits in a spark ignition direct injection (SIDI) engine. The lubricant additive includes (a) as a viscosity index improver, one or more ethylene/olefin copolymers derived from at least 40 mole % ethylene monomer units in an amount ranging from about 0.15 to about 0.95 wt. % based on a total weight of the lubricant composition, and (b) from about 0.1 to about 5.0 percent by weight based on a total weight of a lubricant composition of an aromatic compound having a boiling point under standard atmospheric conditions of from about 190° to about 270° C., wherein the lubricant additive is effective to reduce intake valve deposits in a SIDI engine.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully