Patent application number | Description | Published |
20110224115 | Reducing High-Aqueous Content Sludge in Diesel Engines - Formation of high-aqueous content sludge may be reduced in a sump lubricated diesel engine lubricated with a lubricating oil formulation that contains at least 0.07 or 0.08 weight percent nitrogen derived from one or more nitrogen-containing ashless dispersants, by including in the lubricant a polyalkylene oxide. | 09-15-2011 |
20120046206 | Lubricating Composition Containing a Carboxylic Functionalised Polymer and Dispersant - The invention provides an oil of lubricating viscosity, a dispersant and an amine-functionalised additive, wherein the amine-functionalised additive is derived from an amine having at least 3 or 4 aromatic groups. The invention further relates to the use of the lubricating composition in an internal combustion engine. | 02-23-2012 |
20130310287 | Lubricating Composition Containing a Carboxylic Functionalised Polymer and Dispersant - The invention provides an oil of lubricating viscosity, a dispersant and an amine-functionalised additive, wherein the amine-functionalised additive is derived from an amine having at least 3 or 4 aromatic groups. The invention further relates to the use of the lubricating composition in an internal combustion engine. | 11-21-2013 |
20140148370 | Lubricants Containing Aromatic Dispersants and Titanium - A lubricant composition, comprising an oil of lubricating viscosity, a dispersant comprising the condensation product of a carboxylic-functionalized polymer with an aromatic moiety through an amide, imide, or ester linkage, and an oil-soluble titanium compound, exhibits good oxidative stability. | 05-29-2014 |
20140187458 | Lubricating Composition With Improved TBN Retention - The invention provides a lubricating composition containing a diarylamine, an aminobenzene and an oil of lubricating viscosity. The invention further relates to the use of the lubricating composition in an internal combustion engine. The invention further relates to the use of the lubricating composition to improve TBN retention. | 07-03-2014 |
20140323372 | Low Ash Lubricants with Improved Seal and Corrosion Performance - A lubricant composition of (a) an oil of lubricating viscosity; (b) a dispersant comprising the condensation product of a carboxylic functionalized polymer with an aromatic amine having at least 3 aromatic rings and at least one primary or secondary amino group; and (c) an overbased metal detergent comprising an oil-soluble neutral metal salt component and a metal carbonate component, provides good seal and corrosion performance. The total amount of neutral metal salt component in the lubricant composition is at least about 0.75 percent by weight and the sulfated ash level of the lubricant composition is less than about 1.1 percent. | 10-30-2014 |
20160075966 | LUBRICATING COMPOSITIONS CONTAINING A CARBOXYLIC FUNCTIONALISED POLYMER AND DISPERSANT - The invention provides an oil of lubricating viscosity, a dispersant and an amine-functionalised additive, wherein the amine-functionalised additive is derived from an amine having at least 3 or 4 aromatic groups. The invention further relates to the use of the lubricating composition in an internal combustion engine. | 03-17-2016 |