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Patent Searching and Data


Title:
LUBRICATING OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2011/125819
Kind Code:
A1
Abstract:
Disclosed is a lubricating oil base oil with excellent low volatility and low temperature fluidity properties, capable of providing long-lasting lubrication in a wide temperature range, and a lubricating oil composition using same. The lubricating oil base oil is a diester obtained by reacting a thiol component comprising 1, 12-dodecandiol, and a carboxylic component comprising 2-methylpentanoic acid or 2-methylpentanoic acid, and 2-ethylhexanoic acid. The diester is represented by the formula R2COOR1OOCR3, where R1 is an alkylene from the thiol component, and where R2 and R3 are alkyls from the carboxylic acid component, and both contain 45-100 molar % of C5 diester.

Inventors:
KURATOMI Tadashi (46-80, Sakinohama, Oaza Nakabaru, Tobata-ku, Kitakyushu-sh, Fukuoka 03, 〒8048503, JP)
倉富 格 (〒03 福岡県北九州市戸畑区大字中原先の浜46番地の80 新日鐵化学株式会社内 Fukuoka, 〒8048503, JP)
Application Number:
JP2011/058177
Publication Date:
October 13, 2011
Filing Date:
March 31, 2011
Export Citation:
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Assignee:
NIPPON STEEL CHEMICAL CO., LTD. (14-1, Sotokanda 4-chome Chiyoda-k, Tokyo 21, 〒1010021, JP)
新日鐵化学株式会社 (〒21 東京都千代田区外神田四丁目14番1号 Tokyo, 〒1010021, JP)
KURATOMI Tadashi (46-80, Sakinohama, Oaza Nakabaru, Tobata-ku, Kitakyushu-sh, Fukuoka 03, 〒8048503, JP)
International Classes:
C10M105/38; C10N20/02; C10N40/02; C10N40/04; C10N40/08; C10N40/18
Foreign References:
JP2008069234A2008-03-27
JP2009074017A2009-04-09
JP2000336383A2000-12-05
JP2005154726A2005-06-16
Other References:
None
See also references of EP 2554639A1
Attorney, Agent or Firm:
SASAKI Kazuya et al. (5th Floor, TKK Nishishinbashi Bldg. 11-5, Nishi-shinbashi 2-chome, Minato-k, Tokyo 03, 〒1050003, JP)
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Claims: