Title:
グラフト化ヒンダードフェノールを有するグリセリン誘導体および/またはチオエーテル基を含むヒンダードフェノールを用いる、持続的な高負荷条件下で用いられる潤滑油のデポジット制御の強化方法
Document Type and Number:
Japanese Patent JP2009516062
Kind Code:
A
Abstract:
The present invention is directed to a lubricating oil for use in engines subjected to sustained severe load conditions, said lubricating oil comprising a base oil, and an additive package comprising one or more neutral/low TBN or a mixture of neutral/low TBN, and overbased/high TBN alkali or alkaline earth metal alkyl sulfonates, alkyl phenates, alkyl salicylates, an antioxidant selected from the group consisting of glycerine derivatives comprising glycerine grafted with a hindered phenol, hindered phenolic containing a thioether group, and mixtures thereof, optionally an additional conventional antioxidant and/or an organomolybdenum compound, and other additives, and to a method for enhancing the deposit formation resistance of a lubricating oil used in engines operated under sustained severe load comprising the addition to the lubricant of the aforesaid additive package.
Inventors:
Cartwright, stanley, james
Application Number:
JP2008541287A
Publication Date:
April 16, 2009
Filing Date:
November 14, 2006
Export Citation:
Assignee:
EXXON RESEARCH AND ENGINEERING COMPANY
International Classes:
C10M169/04; C10M101/04; C10M105/04; C10M105/06; C10M105/32; C10M107/02; C10M129/10; C10M129/54; C10M129/76; C10M135/18; C10M135/24; C10M159/22; C10N10/02; C10N10/04; C10N10/12; C10N20/00; C10N20/02; C10N30/00; C10N40/25
Domestic Patent References:
| JP2005263830A | 2005-09-29 | |||
| JP2005146285A | 2005-06-09 | |||
| JP2004131742A | 2004-04-30 | |||
| JP2004083891A | 2004-03-18 | |||
| JPH07252478A | 1995-10-03 |
Foreign References:
| WO2004050671A1 | 2004-06-17 |
Attorney, Agent or Firm:
Kenji Kawabi