Lubricating Oil Composition and Method for Operating Automatic Transmission
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jan 31, 2013
app pub date -
Jan 27, 2012
filing date -
Feb 2, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A lubricating oil composition containing a bis-type alkenyl-substituted succinimide which is prepared by reaction of succinic anhydride substituted with 2-alkenyl group having a branched structure in β-position with alkylenepolyamine or a compound derived from the bis-type alkenyl-substituted succinimide by post-treatment in combination with a mixture of an overbased sulfonate having a C20-C24 alkyl group and an overbased salicylate having a C14-C18 alkyl group shows a high friction coefficient within a wide sliding velocity range and keeps its high anti-shudder performance for a long period of time.
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