Title:
Lubricating oil composition
Document Type and Number:
Japanese Patent JP6277236
Kind Code:
B2
Abstract:
A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having greater than 400 ppm of boron, based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having at least about 1100 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of less than or equal to about 4:1.
Inventors:
Kenneth Dee Nelson
Alexander Be Boffa
William M. Cryser
Stefan Dee Starz
James A. McGean
Wim Van Dam
Richard E. Charpeck
Alexander Be Boffa
William M. Cryser
Stefan Dee Starz
James A. McGean
Wim Van Dam
Richard E. Charpeck
Application Number:
JP2016161011A
Publication Date:
February 07, 2018
Filing Date:
August 19, 2016
Export Citation:
Assignee:
Chevron Oronite Company LRC
International Classes:
C10M141/12; C10M169/04
Domestic Patent References:
| JP2004149762A | ||||
| JP8283762A |
Attorney, Agent or Firm:
Asamura patent office