Title:
潤滑油組成物
Document Type and Number:
Japanese Patent JP5504556
Kind Code:
B2
Abstract:
A lubricating oil composition including at least one sulphurized overbased metal phenate detergent prepared from a C9-C15 alkyl phenol, at least one sulphurizing agent, at least one metal and at least one overbasing agent. The detergent includes less than 6.0% by combined mass of unsulphurized C9-C15 alkyl phenol and its unsulphurized metal salt. The lubricating oil composition exhibits an improved rate of acid neutralization.
Inventors:
Stephen Arrowsmith
Laura Kozydowski
Jeremy Roger Spencer
Peter Watts
Laura Kozydowski
Jeremy Roger Spencer
Peter Watts
Application Number:
JP2007242069A
Publication Date:
May 28, 2014
Filing Date:
September 19, 2007
Export Citation:
Assignee:
Infineum International Limited
International Classes:
C10M159/22; C10M163/00; C10M129/40; C10M135/10; C10N10/04; C10N30/04; C10N40/25
Domestic Patent References:
| JP63046297A | ||||
| JP63128099A | ||||
| JP11021578A | ||||
| JP58225197A | ||||
| JP2005048194A |
Attorney, Agent or Firm:
Sadao Kumakura
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki