Title:
ADDITIVE FOR OIL AND LUBRICATING OIL CONTAINING THE SAME
Document Type and Number:
WIPO Patent Application WO/2008/072740
Kind Code:
A1
Abstract:
An additive for oils which contains an ester represented by the formula (I). The additive is used in oils such as a lube base oil to impart friction-reducing properties and wear-reducing properties to the oils. R1 and R2 each is hydrocarbyl, etc.; a and b each is an integer of 0-5; X and Y each is sulfur or a single bond; and W and Z each is hydrogen, -NR3R4, etc.; provided that not both of W and Z are hydrogen and that when one of W and Z is hydrogen, then not both of X and Y are a single bond and R3 and R4 each is hydrogen, hydrocarbyl, etc.
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Inventors:
HIYOSHI AKIRA (JP)
NAKAYAMA SHINGO (JP)
AMEMIYA NOBUHITO (JP)
KATO SHIGEAKI (JP)
INAYAMA TOSHIHIRO (JP)
ISOGAI YUKIHIRO (JP)
MINAMI ICHIRO (JP)
MORI SHIGEYUKI (JP)
NAKAYAMA SHINGO (JP)
AMEMIYA NOBUHITO (JP)
KATO SHIGEAKI (JP)
INAYAMA TOSHIHIRO (JP)
ISOGAI YUKIHIRO (JP)
MINAMI ICHIRO (JP)
MORI SHIGEYUKI (JP)
Application Number:
PCT/JP2007/074158
Publication Date:
June 19, 2008
Filing Date:
December 14, 2007
Export Citation:
Assignee:
KYOWA HAKKO CHEMICAL CO LTD (JP)
HIYOSHI AKIRA (JP)
NAKAYAMA SHINGO (JP)
AMEMIYA NOBUHITO (JP)
KATO SHIGEAKI (JP)
INAYAMA TOSHIHIRO (JP)
ISOGAI YUKIHIRO (JP)
MINAMI ICHIRO (JP)
MORI SHIGEYUKI (JP)
HIYOSHI AKIRA (JP)
NAKAYAMA SHINGO (JP)
AMEMIYA NOBUHITO (JP)
KATO SHIGEAKI (JP)
INAYAMA TOSHIHIRO (JP)
ISOGAI YUKIHIRO (JP)
MINAMI ICHIRO (JP)
MORI SHIGEYUKI (JP)
International Classes:
C10M169/04; C10L1/222; C10M101/02; C10M101/04; C10M105/04; C10M105/06; C10M105/18; C10M105/34; C10M105/74; C10M105/76; C10M107/02; C10M107/50; C10M133/06; C10M133/22; C10M133/32; C10M135/08; C10M135/10; C10M135/26; C10M139/00; C10N30/06; C10N40/25
Domestic Patent References:
| WO2005078054A1 | 2005-08-25 |
Foreign References:
| JP2006045335A | 2006-02-16 | |||
| JPH01501319A | 1989-05-11 | |||
| JP2004262964A | 2004-09-24 | |||
| JP2002322486A | 2002-11-08 |
Attorney, Agent or Firm:
SHIGA, Masatake et al. (Marunouchi Chiyoda-k, Tokyo 20, JP)
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