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The hetero ring contains six members including nitrogen and carbon

Subclass of:

044 - Fuel and related compositions

044300000 - LIQUID FUELS (EXCLUDING FUELS THAT ARE EXCLUSIVELY MIXTURES OF LIQUID HYDROCARBONS)

044329000 - Heterocyclic carbon compound containing a hetero ring having chalcogen or nitrogen as the only ring hetero atoms

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
044333000 The hetero ring contains six members including nitrogen and carbon 20
20090025281Diesel fuel composition and a method to improve filterability of diesel fuel - Disclosed is a stabilized diesel fuel composition comprising a) a diesel fuel with a cetane number less than or equal to 50, b) an effective amount of at least one compound selected from the group consisting of the cetane improvers and c) i) an effective stabilizing amount of at least one compound selected from the group consisting of the stable nitroxide compounds or ii) an effective synergistic stabilizing amount of at least one compound selected from the group consisting of the stable nitroxide compounds and at least one antioxidant compound selected from the group consisting of the aromatic amine antioxidants and the hindered phenolic antioxidants. The cetane improvers are for example nitrate esters. The diesel fuel compositions exhibit improved filterability.01-29-2009
20120000117DUAL FUNCTION FUEL ATOMIZING AND IGNITION ADDITIVES - The present disclosure relates to methods and compositions for improving fuel atomization and combustion efficiency comprising fuel additives for use in combustion systems where fuel is injected into the combustion zone under very high pressure01-05-2012
20120151829PROCESS FOR CATALYTIC CRACKING OF AQUATIC MICROBIAL BIOMASS - A process for catalytically cracking aquatic microbial biomass is provided. Aquatic microbial biomass is catalytically cracked over a cracking catalyst at a temperature of at least 450° C. to obtain a product stream. At least one hydrocarbon fraction is separated from the product stream.06-21-2012
044334000 Chalcogen in the hetero ring 8
20080196300Tetrahydrobenzoxazines As Stabilisers - The use of tetrahydrobenzoxazines I08-21-2008
20100107476Compositions and Methods Including Hexahydrotriazines Useful as Direct Injection Fuel Additives - A fuel, fuel additive concentrate, and method for removing and/or preventing the occurrence of deposits in a fuel injector of an injection engine are provided. The additive concentrate contains at least one hexahydro triazine.05-06-2010
20100251602COLD TEMPERATURE STABLE BIOCIDAL COMPOSITION - Provided is a synergistic biocidal composition comprising a biocidal N-(2-nitroalkyl) morpholine compound of formula I:10-07-2010
20110113678USE OF POLYNUCLEAR PHENOLIC COMPOUNDS AS STABILISERS - The use of polycyclic phenolic compounds which have up to 20 benzene rings per molecule and are obtainable by reacting a tetrahydrobenzoxazine I05-19-2011
20120000118LOW-MOLECULAR WEIGHT POLYISOBUTYL-SUBSTITUTED AMINES AS DISPERSANT BOOSTERS - A fuel additive composition comprising (A) polyisobutyl-based nitrogen-containing dispersants with M01-05-2012
20120110899ADDITIVE MIXTURE FOR THE BACTERICIDAL AND ANTICORROSIVE ADDITIZATION OF FUELS - An additive mixture for fuels including a) at least one N-formal, b) at least one antioxidant and c) at least one corrosion inhibitor. The additive mixture ensures that the additized fuels and lubricants have biocidal and corrosion-inhibiting additization, especially when they include proportions of renewable raw materials, such as biodiesel, and when they are in contact with copper-containing surfaces.05-10-2012
20150101240Multifunctional composition base 1,3-oxazinan-6-ones with corrosion inhibition and heavy organic compounds inhibition and dispersants and obtaining process - Base compounds including 1,3-oxazinan-6-one derivatives of N-alkyl or N-alkenyl or N-cycloalkyl or N-aryl propionic acids and paraformaldehyde, and their application as corrosion inhibitors with multifunctional properties serving as inhibitory/dispersant of asphaltene in production processes, transportation, refining and storage of crude oil and derivatives. The corrosion inhibitor with inhibitory/dispersant of asphaltenes properties comprises an active substance base of 1,3-oxaninan-6-ones and hydrocarbon solvents such as benzene, toluene, mixed xylenes, o-xylene, m-xylene and p-xylene, diesel, kerosene, jet fuel, alcohols, aliphatic branched and unbranched alcohols containing from 3 to 10 carbon atoms, such as isopropanol, butanol and pentanol, and mixtures of hydrocarbon solvents with aliphatic branched or unbranched liquid fuels. In addition, a process for obtaining 1,3-oxazinan-6-ones derivatives of N-alkyl or N-alkenyl or N-cycloalkyl or N-aryl propionic acids and paraformaldehyde is described.04-16-2015
20160046788USE OF TETRAHYDROBENZOXAZINES AS STABILISERS - The use of tetrahydrobenzoxazines I02-18-2016
044335000 Plural nitrogens in the hetero ring (e.g., piperazines, etc.) 7
20080256847Gas Odorant - The present invention refers to the use as gas odorant of alkoxy alkynes of formula (I)10-23-2008
044336000 Triazine or 1,3-diazine 6
20110056121CHEMICAL MARKERS - A composition containing a petroleum hydrocarbon, a biodiesel fuel or an ethanol fuel, and an organic marker compound.03-10-2011
20120023811Biodiesel containing non-phenolic additives and thereby possessing enhanced oxidative stability and low acid number - Biodiesel compositions are provided, containing non-phenolic additives that improve the oxidative stability and lower the acid number. The invention further provides non-phenolic additive concentrate compositions and diesel fuel compositions containing the above biodiesel compositions.02-02-2012
20120102826DIESEL 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
20140331548TRACERS AND METHOD OF MARKING HYDROCARBON LIQUIDS - Method of marking a hydrocarbon liquid includes adding to the liquid, a tracer compound of Formula I:11-13-2014
20150113857LIQUID FUEL COMPOSITIONS - A liquid fuel composition comprising:04-30-2015
20150113858LIQUID FUEL COMPOSITIONS - Certain UV filter compounds improve the combustion properties of diesel fuel compositions, and in particular modify the ignition delay and/or modify the burn period and/or modify the peak pressure and/or increase the cetane number of the liquid fuel composition. A liquid fuel composition is provided containing: 04-30-2015
044338000 Acyclic chalcogen or acyclic nitrogen bonded directly to ring carbon of the hetero ring 2
20100011656USE OF RYLENES AS MARKERS FOR LIQUIDS - The invention relates to the use of rylene derivatives of the general formula (I) as markers for liquids,01-21-2010
20120005950FUEL COMPOSITIONS - Use in a gas oil fuel composition, which preferably comprises a Fischer-Tropsch derived fuel, of a compound according to formula (I): wherein: R01-12-2012
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