Patent application number | Description | Published |
20110302828 | DIESEL FUEL ADDITIVE - A diesel fuel additive composition, a fuel containing the fuel additive, a method for improving diesel engine performance using the additive and a method for making the additive for diesel engines having a high pressure fuel injection system. The fuel additive has a number average molecular weight (M | 12-15-2011 |
20120046426 | OLEFIN POLYMERIZATION PROCESS WITH REDUCED FOULING - The invention concerns methods for polymerization of olefins comprising contacting one or more monomers selected from ethylene and α-olefins with a supported single site catalyst in the presence of one or more magnesium alkyl compounds wherein said magnesium alkyl is present during the major portion of said polymerization. | 02-23-2012 |
20120071679 | PROCESS OF MAKING ALUMINOXANE AND CATALYSTS CONTAINING THUS PREPARED ALUMINOXANE - Processes for preparing aluminoxane comprising: bringing into contact under reaction conditions in an inert atmosphere a liquid containing reaction mixture comprising: (i) a water in oil emulsion comprising water and at least one emulsifier in a first hydrocarbon solvent; and (ii) an organoaluminum compound capable of forming aluminoxane in a second hydrocarbon solvent; provided that the aluminoxane produced by the reaction is present in solution under the reaction conditions. In a preferred embodiment a support carrier for the aluminoxane: (i) is present during the contact step or (ii) is introduced following contact. A polymerization catalyst can be prepared wherein the support carrier is SiO2 and a Group 3 to Group 10 metal containing single site complex is mixed with the aluminoxane. Catalysts suitable for polymerizing an olefin such as ethylene or copolymerizing an olefin with at least one C | 03-22-2012 |
20120102826 | DIESEL FUEL ADDITIVE - A diesel fuel additive composition, a fuel containing the fuel additive, a method for improving diesel engine performance using the additive. The diesel fuel additive includes a reaction product of (a) a hydrocarbyl-substituted acylating agent and (b) a reactant selected from the group consisting of a nitrogen-containing compound, a hydroxyl-containing compound, and water that provides a reaction product selected from the group consisting (1) a mono-amide/mono-acid or metal free mono-acid salt thereof, (2) a diacid or metal free diacid salt thereof, and (3) mono-ester/mono-acid or metal free mono-acid salt thereof. The reaction product includes at least about 10 molar percent acid groups based on total moles of the reaction product. | 05-03-2012 |
20120180382 | Fuel Additives and Gasoline Containing the Additives - The present disclosure relates to a gasoline additive concentrate including a reaction product of (a) 1,8-naphthalic anhydride; and (b) a reaction product of a hydrocarbyl-substituted succinic anhydride with a polyamine. Fuel compositions containing the additive concentrate are also disclosed. Method of reducing greenhouse gas emissions is also disclosed. | 07-19-2012 |
20130074874 | FUEL ADDITIVE FOR IMPROVED PERFORMANCE OF LOW SULFUR DIESEL FUELS - A diesel fuel, diesel fuel additive concentrate and method for improving the performance of fuel injectors for a diesel engine are provided. The diesel fuel includes a major amount of middle distillate fuel having a sulfur content of 15 ppm by weight or less; and a reaction product of (a) a hydrocarbyl substituted dicarboxylic acid or anhydride, and (b) an amine compound or salt thereof of the formula | 03-28-2013 |
20130118062 | FUEL ADDITIVE FOR IMPROVED PERFORMANCE OF DIRECT FUEL INJECTED ENGINES - A fuel composition for a direct fuel injected diesel engine, a method for improving performance of fuel injectors and a method for cleaning fuel injectors for a diesel engine. The fuel composition includes a major amount of fuel and a minor, effective amount of a quaternary ammonium salt having a thermogravimetric analysis (TGA) weight loss of greater than 50 wt. % at 350° C. The amount of quaternary ammonium salt present in the fuel is sufficient to improve performance of the direct fuel injected diesel engine having combusted the composition compared to the performance of such engine having combusted a fuel composition that does not contain the quaternary ammonium salt. | 05-16-2013 |
20140123546 | DIESEL FUEL ADDITIVE - A diesel fuel additive composition, a fuel containing the fuel additive, a method for improving diesel engine performance using the additive. The diesel fuel additive includes a reaction product of (a) a hydrocarbyl-substituted acylating agent and (b) a reactant selected from the group consisting of a nitrogen-containing compound, a hydroxyl-containing compound, and water that provides a reaction product selected from the group consisting (1) a mono-amide/mono-acid or metal free mono-acid salt thereof, (2) a diacid or metal free diacid salt thereof, and (3) mono-ester/mono-acid or metal free mono-acid salt thereof. The reaction product includes at least about 10 molar percent acid groups based on total moles of the reaction product. | 05-08-2014 |