Title:
潤滑油組成物
Document Type and Number:
Japanese Patent JP5203564
Kind Code:
B2
Abstract:
Lubricating oil compositions having a sulfated ash content of no more than 1.0 mass %, which contain a major amount of oil of lubricating viscosity, a minor amount of calcium salicylate detergent, an amount of a magnesium-based detergent providing at least 200 ppm of magnesium, and a basic, low molecular weight, nitrogen-containing dispersant, which compositions provide improved top ring wear protection in internal combustion engines.
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Inventors:
Stephen Arrowsmith
Matthew David Irving
Matthew David Irving
Application Number:
JP2005346889A
Publication Date:
June 05, 2013
Filing Date:
November 30, 2005
Export Citation:
Assignee:
Infineum International Limited
International Classes:
C10M167/00; C10M129/10; C10M129/54; C10M133/06; C10M133/12; C10M133/16; C10M133/54; C10M133/56; C10M135/18; C10M135/20; C10M137/10; C10M143/12; C10M145/14; C10M149/10; C10M159/16; C10M159/22; C10M159/24; C10N10/04; C10N10/12; C10N20/00; C10N20/04; C10N30/04; C10N30/06; C10N30/10; C10N40/25
Domestic Patent References:
| JP2003155495A | ||||
| JP10147790A | ||||
| JP10053784A | ||||
| JP2004107645A | ||||
| JP10504340A | ||||
| JP2003193077A | ||||
| JP2003041283A |
Foreign References:
| US20030134756 |
Attorney, Agent or Firm:
Sadao Kumakura
Nobuo Ogawa
Atsushi Hakoda
Kenji Asai
Koji Hirayama
Nobuo Ogawa
Atsushi Hakoda
Kenji Asai
Koji Hirayama