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Title:
ディーゼルエンジン潤滑剤
Document Type and Number:
Japanese Patent JP4677178
Kind Code:
B2
Abstract:
A lubricant suitable for use in a diesel engine comprising: a lubricating oil having a viscosity suitable for use in a diesel engine; at least one functionalized olefin polymer; and a zinc dialkyl dithiophosphate (ZDDP) wherein the ZDDP is made from a mixture of primary alcohols or a mixture of primary and secondary alcohols, wherein the lubricant has high boundary film friction value as measured by using a High Frequency Reciprocating Rig (HFRR) of greater than or equal to 15.

Inventors:
Mark Tay Devlin
Chills A Passat
Karl Kay Essie Giunia
Jiyoung Tay Lauper
Application Number:
JP2003295259A
Publication Date:
April 27, 2011
Filing Date:
August 19, 2003
Export Citation:
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Assignee:
ETHYL CORPORATION
International Classes:
C10M161/00; C10M169/04; C10M101/02; C10M133/56; C10M137/10; C10M145/14; C10M145/16; C10M149/04; C10M149/12; C10N20/00; C10N30/06; C10N40/25
Domestic Patent References:
JP2002012884A
JP2001279287A
JP2002105477A
JP5112791A
JP2001303087A
JP2002138291A
Foreign References:
US5139688
Attorney, Agent or Firm:
Patent business corporation Odashima patent office