Abstract: A lubricating oil composition having a phosphorus content of up to 0.12 wt %, a sulfated ash content of up to 1.2 wt % comprising (a) a major amount of an oil of lubricating viscosity; (b) an alkali metal or alkaline earth metal alkyl salicylate lubricating oil detergent providing from 7-15 mmol salicylate soap per kilogram of lubricating oil composition; (c) one or more dispersants providing the lubricating oil composition with from at least 0.12 wt % to 0.20 wt % atomic nitrogen, based on the weight of the lubricating oil composition, and (d) a dispersant-viscosity modifier.
Type:
Application
Filed:
March 30, 2011
Publication date:
October 6, 2011
Inventors:
Richard D. Bertram, Daniel Whyte, Matthew D. Irving
Abstract: Lubricating oils containing an additive formulation including at least one sulphonate, saligenin and salixarate detergent provide improved wear performance and decreased sulphur and phosphorus emissions.
Type:
Grant
Filed:
November 25, 2002
Date of Patent:
October 23, 2007
Assignee:
The Lubrizol Corporation
Inventors:
Virginia A. Carrick, William D. Abraham, Gordon D. Lamb, R. Ian Wilby, James P Roski
Abstract: An improved dental root canal bacterialcidal lubricant for allowing the cleaning wires or files to move more freely when removing a nerve from a tooth. The composition reduces packing of tissue and dentin debris within the nerve cavity. This new formulation is also resistive to decomposition during cold weather shipping and includes cetyl alcohol, stearyl alcohol, sodium lauryl sulfate, stearic acid, propylene glycol, methyl paraben, propyl paraben, butyl, paraben all in a purified (spring) water solution.