Title:
改善された性能を有する潤滑油組成物
Document Type and Number:
Japanese Patent JP5078614
Kind Code:
B2
Abstract:
Disclosed are stabilized lubricating oil compositions with improved oxidative performance. These lubricating oil compositions contain certain phenolic antioxidants, in combination with other antioxidants, which contribute to the improved performance. These certain phenolic antioxidants are defined in formula (I), wherein, R1 is alkyl of 1 to 4 carbon atoms, n is 1 to 4, R2 is H or R3, R3 is -(CH2)x-COOR4 where x is 1 to 10, R4 is straight or branched chain alkyl of 1 to 24 carbon atoms or E, when n is 1, E is straight or branched chain alkyl of 1 to 24 carbon atoms; when n is 2, E is straight or branched chain alkylene of 2 to 12 carbon atoms or said alkylene interrupted by one to five O or S atoms; when n is 3, E is a straight or branched chain alkanetriyl of 3 to 6 carbon atoms; and when n is 4, E is pentaerthyrityl.
More Like This:
| WO/1997/025393 | A METHOD FOR MECHANICAL WORKING |
| JPH08231972 | REFRIGERATING UNIT |
| WO/1989/001071 | SPIN FIBER LUBRICANT COMPOSITIONS |
Inventors:
Al-Ahdal, Walid
Chaffin, Laura F
Chasan, David Eliza
Chaffin, Laura F
Chasan, David Eliza
Application Number:
JP2007526448A
Publication Date:
November 21, 2012
Filing Date:
August 08, 2005
Export Citation:
Assignee:
Ciba Holding Inc.
International Classes:
C10M129/02; C09K15/08; C10M129/00; C10M129/76; C10M135/26; C10M141/06; C10M141/08; C10M141/10; C10M129/10; C10M129/70; C10M129/72; C10N30/00; C10N30/04; C10N30/10; C10N40/25
Domestic Patent References:
| JP5238989A |
Foreign References:
| US4659863 |
Attorney, Agent or Firm:
Calyx
Miyazaki Yoshio
Tsutomu Kato
Miyazaki Yoshio
Tsutomu Kato