Title:
潤滑油組成物
Document Type and Number:
Japanese Patent JP4373650
Kind Code:
B2
Abstract:
A lubricating oil composition which comprises a base oil, (A) a specific alkali metal salicylate derivative, a specific alkaline earth metal salicylate derivative and/or their (per)basic salt in an amount of 0.005 to 5 mass % in terms of the amount of the metal element (B) a phosphorus-containing wear inhibitor in an amount of 0.005 to 0.2 mass % in terms of the amount of phosphorus and (C) 0.01 to 1 mass % of an amide compound, and has a total sulfur content of 0.3 mass % or less, all the percentages being relative to the total amount of the composition. The lubricating oil composition is a low sulfur lubricating oil which is extremely excellent in wear inhibiting property and also excellent in long drain property and the like, and thus can be suitably used in particular for an internal combustion engine.
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Inventors:
Kazuhiro Yagishita
Application Number:
JP2002227484A
Publication Date:
November 25, 2009
Filing Date:
August 05, 2002
Export Citation:
Assignee:
Shin Nippon Oil Co., Ltd.
International Classes:
C10M163/00; C10M169/04; C10M101/02; C10M129/54; C10M133/16; C10M133/56; C10M137/02; C10M137/04; C10M137/06; C10M137/08; C10M137/10; C10M141/10; C10M141/12; C10M159/22; C10M167/00; C10N10/02; C10N10/04; C10N30/06; C10N30/10; C10N40/00; C10N40/02; C10N40/04; C10N40/08; C10N40/12; C10N40/25; C10N40/30; C10N50/10
Domestic Patent References:
| JP11315297A | ||||
| JP48035325B1 | ||||
| JP6336593A | ||||
| JP4161496A |
Foreign References:
| EP1227145A1 |
Attorney, Agent or Firm:
Junyuki Morita