Title:
良好な耐水性を有する農業用トラクター潤滑用組成物
Document Type and Number:
Japanese Patent JP2013504657
Kind Code:
A
Abstract:
A lubricant of (a) an oil of lubricating viscosity; (b) a block copolymer of (i) a hydrophobic first block of C1-30 alkyl (meth)acrylic units having an average total number of carbon atoms of at least 8; and (ii) a second block of (meth)acrylic units, at least some units of which comprise a heteroatom imparting polar character to the block; (c) an overbased calcium detergent; (d) a phosphorus-containing anti-wear agent that does not contribute to the metal content of the lubricant; and (e) a friction modifier suitable to reduce the static coefficient of friction at a metal-composition interface, is suitable for lubricating a farm tractor.
Inventors:
Abraham, William Dee.
Baume, Marina
Chin, hyphen
One, Inn
Baume, Marina
Chin, hyphen
One, Inn
Application Number:
JP2012528851A
Publication Date:
February 07, 2013
Filing Date:
September 07, 2010
Export Citation:
Assignee:
THE LUBRIZOL CORPORATION
International Classes:
C10M169/04; C10M133/06; C10M133/16; C10M137/02; C10M137/04; C10M137/08; C10M137/10; C10M145/14; C10M149/06; C10M159/24; C10N10/04; C10N20/04; C10N30/00; C10N40/04; C10N40/08
Domestic Patent References:
| JP2008542502A | 2008-11-27 | |||
| JP2006522176A | 2006-09-28 | |||
| JPS63117026A | 1988-05-21 |
Foreign References:
| WO2008076825A1 | 2008-06-26 |
Attorney, Agent or Firm:
Hidesaku Yamamoto
Takaaki Yasumura
Natsuki Morishita
Takaaki Yasumura
Natsuki Morishita
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