Title:
The lubricous constituent containing an antiwear agent
Document Type and Number:
Japanese Patent JP6121473
Kind Code:
B2
Abstract:
The invention provides a method of providing antiwear performance to a driveline device, wherein the driveline device includes a manual transmission that may or may not contain a synchronizer system, or an axle,
the method comprising supplying to the driveline device a lubricating composition comprising an oil of lubricating viscosity and a product obtained/obtainable by reacting:
(i) a hydroxy-containing carboxylic compound, a phosphorylating agent, or reactive equivalents thereof, and optionally an alcohol,
wherein the hydroxy-containing carboxylic compound is derived from a partially esterified polyol, or mixtures thereof; and
wherein the phosphorylating agent, or reactive equivalents thereof is POC1 3 , P 2 0s, P 4 0i 0 or polyphosphoric acid, and
(ii) reacting the product of (i) with a branched secondary or tertiary monoamine, or mixtures thereof;
wherein the product is present at 0.01 to 5 wt % or 0.05 wt % to 2 wt %, or 0.1 wt % to 1 wt %, or 0.2 wt % to 0.5 wt % of the lubricating composition.
Inventors:
William Earl S. Burton
Matthew Dee.
Matthew Dee.
Application Number:
JP2015086795A
Publication Date:
April 26, 2017
Filing Date:
April 21, 2015
Export Citation:
Assignee:
THE LUBRIZOL CORPORATION
International Classes:
C10M159/12
Domestic Patent References:
| JP4505033A | ||||
| JP8500097A | ||||
| JP2004067770A | ||||
| JP48048867A |
Foreign References:
| US2285855 |
Attorney, Agent or Firm:
Hidesaku Yamamoto
Natsuki Morishita
Natsuki Morishita
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