ADDITIVE FOR LUBRICANT - IDEMITSU KOSAN CO

Title:

ADDITIVE FOR LUBRICANT

Document Type and Number:

WIPO Patent Application WO/2006/025246

Kind Code:

A1

Abstract:

Disclosed is an additive for lubricants having oxidation stability, thermal stability, NOx resistance and excellent functions for serving as an extreme-pressure additive or wear-resisting agent. Also disclosed is a lubricant composition containing such an additive. Specifically disclosed are an additive for lubricants which is composed of a phosphate derivative represented by the general formula (I) below and a lubricant composition containing such an additive. In the formula below, Y represents S (sulfur) or O (oxygen); R¹ represents a monovalent organic group having 4-24 carbon atoms; R² represents a divalent organic group having 1-6 carbon atoms; and n represents an integer of 1-3.

Inventors:

KOSHIMA HIROAKI (JP)
IIZUKA SHINYA (JP)
ISHIKAWA MOTOHARU (JP)

Application Number:

PCT/JP2005/015400

Publication Date:

March 09, 2006

Filing Date:

August 25, 2005

Export Citation:

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Assignee:

IDEMITSU KOSAN CO (JP)
KOSHIMA HIROAKI (JP)
IIZUKA SHINYA (JP)
ISHIKAWA MOTOHARU (JP)

International Classes:

C10M137/10; C10M141/10; C10M159/12; C10M177/00

Foreign References:

US2750342A	1956-06-12
JPH04230691A	1992-08-19
JP2001354987A	2001-12-25

Other References: