Title:
BEARING LUBRICANT
Document Type and Number:
WIPO Patent Application WO/2006/059687
Kind Code:
A1
Abstract:
Disclosed is a bearing lubricant characterized by containing a dibasic acid diester represented by the general formula (I) below (wherein R2 and R3 may be the same as or different from each other and respectively represent a lower alkyl, R1 and R4 may be the same as or different from each other and respectively represent a straight-chain alkyl, and n represents an integer of 1-3). In the above general formula (I), it is preferable that R1 and R4 may be the same as or different from each other and respectively represent a straight-chain alkyl having 6-10 carbon atoms, R2 and R3 may be the same as or different from each other and respectively represent a methyl or an ethyl, and n is 1 or 2. The bearing lubricant has low viscosity over a wide temperature range and is excellent in low-temperature fluidity, heat resistance and the like.
Inventors:
HIYOSHI SATOSHI
MORIYAMA SATOSHI
HOTTA IWAO
YAMAUCHI TOSHIO
MORIYAMA SATOSHI
HOTTA IWAO
YAMAUCHI TOSHIO
Application Number:
PCT/JP2005/022099
Publication Date:
June 08, 2006
Filing Date:
December 01, 2005
Export Citation:
Assignee:
KYOWA HAKKO CHEMICAL CO LTD (JP)
HIYOSHI SATOSHI
MORIYAMA SATOSHI
HOTTA IWAO
YAMAUCHI TOSHIO
HIYOSHI SATOSHI
MORIYAMA SATOSHI
HOTTA IWAO
YAMAUCHI TOSHIO
International Classes:
C10M105/36; C07C69/34; C10N30/02; C10N30/08; C10N40/02
Domestic Patent References:
| WO2003033451A1 | 2003-04-24 |
Foreign References:
| JPS52133916A | 1977-11-09 | |||
| JPS4717246B1 | ||||
| JP2001115180A | 2001-04-24 | |||
| JP2002348586A | 2002-12-04 |
Attorney, Agent or Firm:
Iwahashi, Kazuyuki (Intellectual Property Department, 6-1,
Ohtemachi 1-chom, Chiyoda-ku Tokyo, JP)
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