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Title:
LUBRICATING OIL ADDITIVE AND LUBRICATING OIL COMPOSITION CONTAINING SAME
Document Type and Number:
WIPO Patent Application WO/2005/073351
Kind Code:
A1
Abstract:
Disclosed is a lubricating oil additive with excellent cleaning performance which does not include a metal component such as calcium or magnesium. Also disclosed is a lubricating oil composition containing such a lubricating oil additive. The lubricating oil additive is characterized by containing a quaternary ammonium salt having a base number of at least 10 mgKOH/g. Examples of such a quaternary ammonium salt include quaternary ammonium salts obtained through salt-exchange of counter anions contained in cationic surfactants such as tetraalkylammonium chloride and tetraalkylammonium sulfate.

Inventors:
Koishikawa, Naomi c/o ADEKA CORPORATION (2-35 Higashiogu 7-chome, Arakawa-k, Tokyo 53, 11685, JP)
Application Number:
PCT/JP2005/000913
Publication Date:
August 11, 2005
Filing Date:
January 25, 2005
Export Citation:
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Assignee:
ADEKA CORPORATION (2-35, Higashiogu 7-chome Arakawa-k, Tokyo 53, 11685, JP)
Koishikawa, Naomi c/o ADEKA CORPORATION (2-35 Higashiogu 7-chome, Arakawa-k, Tokyo 53, 11685, JP)
International Classes:
C10M133/06; C10M101/02; C10M125/00; C10M125/26; C10M129/04; C10M129/26; C10M129/32; C10M129/84; C10M133/04; C10M133/16; C10M169/04; C10N30/04; C10N40/04; C10N40/25; (IPC1-7): C10M133/04; C10M133/16
Attorney, Agent or Firm:
Soga, Michiteru (S. Soga & Co, 8th Floor Kokusai Building, 1-1, Marunouchi 3-chome, Chiyoda-k, Tokyo 05, 10000, JP)
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