Title:
ENVIRONMENTALLY ADAPTABLE LUBRICATING OIL
Document Type and Number:
Japanese Patent JP2006225491
Kind Code:
A
Abstract:
To provide a lubricating oil free from a chlorine-containing extreme-pressure additive and excellent in extreme-pressure properties.
An oiliness-improving agent (D) is added to a lubricating oil comprising at least (A) a lubricating base oil, (B) a dispersant, and (C) microparticulate calcium carbonate having a median diameter of 0.5 μm or smaller.
Inventors:
YAGINUMA TOSHIHIRO
AOKI KENICHI
AOKI KENICHI
Application Number:
JP2005039956A
Publication Date:
August 31, 2006
Filing Date:
February 17, 2005
Export Citation:
Assignee:
YUSHIRO CHEM IND
International Classes:
C10M169/04; C10M125/10; C10M129/06; C10M129/08; C10M129/68; C10M135/06; C10M137/04; C10M143/12; C10M145/10; C10M145/14; C10M145/16; C10M145/20; C10M149/10; C10M159/08; C10N10/04; C10N20/06; C10N30/00; C10N30/06; C10N40/22
Domestic Patent References:
| JPH07233387A | 1995-09-05 | |||
| JPH07233388A | 1995-09-05 | |||
| JPH06330076A | 1994-11-29 | |||
| JPH06313182A | 1994-11-08 | |||
| JPS5723691A | 1982-02-06 |
Attorney, Agent or Firm:
Tetsuro Hoshino
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