Patent application number | Description | Published |
20100257779 | Quaternary Ammonium Salt Detergents for Use in Fuels - A quaternary ammonium salt detergent made from the reaction product of the reaction of: (a) a hydrocarbyl substituted acylating agent and a compound having an oxygen or nitrogen atom capable of condensing with said acylating agent and further having a tertiary amino group; and (b) a quaternizing agent suitable for converting the tertiary amino group to a quaternary nitrogen and the use of such quaternary ammonium salt detergents in a fuel composition to reduce intake valve deposits. | 10-14-2010 |
20100286002 | Engine Oil Formulations for Biodiesel Fuels - The lubricant for an internal combustion engine fueled by a biodiesel fuel (that is, a liquid fuel containing a C1-C4 alkyl ester of a carboxylic acid of about 12 to about 24 carbon atoms) exhibits improved resistance to oxidative degradation when the lubricant contains an alkali metal detergent. | 11-11-2010 |
20110015105 | Lubricating Composition Containing Overbased Detergent - The invention provides a lubricating composition containing an oil of lubricating viscosity and a calcium-containing detergent with a soap content of 0.06 wt % to 1.6 wt % of the lubricating composition. The lubricating composition is suitable for lubricating an internal combustion engine. | 01-20-2011 |
20110143981 | Quaternary Ammonium Salt Detergents for Use in Lubricating Compositions - A quaternary ammonium salt detergent made from the reaction product of the reaction of: (a) a hydrocarbyl substituted acylating agent and a compound having an oxygen or nitrogen atom capable of condensing with said acylating agent and further having a tertiary amino group; and (b) a quaternizing agent suitable for converting the tertiary amino group to a quaternary nitrogen and the use of such quaternary ammonium salt detergents in a fuel composition to reduce intake valve deposits. | 06-16-2011 |
20110185626 | Quaternary Ammonium Salt Detergents for Use in Fuels - A quaternary ammonium salt detergent made from the reaction product of the reaction of: (a) a hydrocarbyl substituted acylating agent and a compound having an oxygen or nitrogen atom capable of condensing with said acylating agent and further having a tertiary amino group; and (b) a quaternizing agent suitable for converting the tertiary amino group to a quaternary nitrogen and the use of such quaternary ammonium salt detergents in a fuel composition to reduce intake valve deposits. | 08-04-2011 |
20120178655 | Engine Oil Formulations for Biodiesel Fuels - Oxidative degradation may be reduced in a lubricant composition which contains an oil of lubricating viscosity and at least about 1 percent by weight of a C1-C3 alkyl ester of a carboxylic acid of about 12 to about 24 carbon atoms, by including within the lubricant composition a sulfonate detergent in an amount sufficient to provide at least about 0.2 percent by weight sulfonate soap to the lubricant composition, wherein the weight ratio of sulfonate soap to phenate soap in the lubricant composition is at least about 0.35:1. | 07-12-2012 |
20120178656 | Dispersant Viscosity Modifiers - The disclosed invention relates to a composition comprising a grafted polymer. The polymer backbone comprises an olefin block and a vinyl aromatic block. The polymer backbone is grafted with a pendant carbonyl containing group, the grafting being conducted in oil in the presence of an initiator. The carbonyl containing-group is optionally substituted to provide ester, imide and/or amide functionality. The grafted polymer is useful as a dispersant viscosity modifier in lubricating compositions such as engine oils. | 07-12-2012 |
20120178659 | Dispersant Viscosity Modifiers - The disclosed invention relates to a composition comprising a grafted polymer. The polymer comprises a backbone with at least one olefin block and at least one vinyl aromatic block. The polymer is grafted with a pendant carbonyl containing group, the grafting being conducted by halogenating the vinyl aromatic carbon of the vinyl aromatic block and then grafting a carboxylic acid or derivative thereof on the halogenated vinyl aromatic carbon in the presence of an activating agent. The carbonyl containing-group is optionally substituted to provide ester, imide and/or amide functionality. The grafted polymer is useful as a dispersant viscosity modifier in lubricating compositions such as engine oils. | 07-12-2012 |
20120192483 | Quaternary Ammonium Salt Detergents For Use In Fuels - A quaternary ammonium salt detergent made from the reaction product of the reaction of: (a) a hydrocarbyl substituted acylating agent and a compound having an oxygen or nitrogen atom capable of condensing with said acylating agent and further having a tertiary amino group; and (b) a quaternizing agent suitable for converting the tertiary amino group to a quaternary nitrogen and the use of such quaternary ammonium salt detergents in a fuel composition to reduce intake valve deposits. | 08-02-2012 |
20120196778 | Lubricating Composition Containing an Antiwear Agent - The invention provides a lubricating composition containing (a) an oil of lubricating viscosity, (b) a phosphite having at least one hydrocarbyl group that has 4 or more carbon atoms, and (c) a compound derived from a hydroxy-carboxylic acid. The invention further relates to the use of the lubricating composition in an internal combustion engine. | 08-02-2012 |
20120245065 | Lubricating Composition Containing an Antiwear Agent - The invention provides a method of lubricating an aluminium-alloy surface of an internal combustion engine comprising supplying to the aluminium-alloy surface a lubricating composition comprising an oil of lubricating viscosity and an alkali or alkaline earth metal phenate detergent. The phenate disclosed herein may further provide antiwear performance on the aluminium-alloy surface. | 09-27-2012 |
20120289444 | Star Polymer Lubricating Composition - The invention provides a lubricating composition containing (a) 0.001 wt % to 15 wt % of a polymer with radial or star architecture; (b) an overbased detergent; (c) a dispersant; and (d) an oil of lubricating viscosity. The invention further provides a method for lubricating a mechanical device with the lubricating composition. | 11-15-2012 |
20130150273 | Titanium and Molybdenum Compounds and Complexes as Additives in Lubricants - A lubricating composition comprising an oil of lubricating viscosity, 1 to 1000 parts per million by weight of titanium in the form of an oil-soluble titanium-containing material, and at least one additional lubricant additive provides beneficial effects on properties such as deposit control, oxidation, and filterability in engine oils. | 06-13-2013 |
20130210690 | Tartaric Acid Derivatives in HTHS Fluids - The present invention provides high-HTHS value lubricating compositions that have improved fuel economy performance. The present invention also provides methods of operating an internal combustion engine utilizing such compositions. The lubricating compositions of the invention utilize butane dioic imide compounds, such as tartrimides, and may also be low sulfur, low ash and low phosphorus, providing lower wear and friction and improved fuel economy. | 08-15-2013 |
20130263807 | Lubricating Oil Composition with Anti-Mist Additive - A lubricating composition containing an oil of lubricating viscosity, a high molecular weight polyolefin that is at least substantially free of ethylene-derived monomer units, and an overbased metal containing detergent, is capable of reducing intake valve deposits in a direct injection engine. | 10-10-2013 |
20130310291 | Process for Preparing Polymers and Compositions Thereof - The present invention provides a process for preparing a polymer, employing the steps of: (1) contacting a free radical initiator; a chain transfer agent containing a thiocarbonyl thio group and a free radical leaving group; and a radically polymerisable monomer, to form a polymer chain; and (2) contacting the polymer chain of step (1) with at least one of a polyvalent coupling agent, a polymerisation inhibitor, a grafting acylating agent, an amine and an oil of lubricating viscosity. The invention further provides compositions and uses for the polymer. | 11-21-2013 |
20140057818 | Lubricating Composition Containing an Antiwear Agent - The invention provides a lubricating composition containing an antiwear agent and an oil of lubricating viscosity. The invention further relates to the use of the lubricating composition in an internal combustion engine, or a driveline device. | 02-27-2014 |
20150045268 | Lubricants with Good TBN Retention - A lubricant composition containing a metal-containing detergent in an amount to provide at least about 2 TBN to the lubricant, and a dispersant comprising an oleophilic portion comprising at least about 40 carbon atoms and an acid-bearing portion, characterized in having a TAN:TBN ratio of at least about 0.8, exhibits good TBN retention. | 02-12-2015 |