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Class Information
Number: 208/289
Name: Mineral oils: processes and products > Refining > With nitrogen containing compound
Description: Processes wherein mineral oil is treated with an added nitrogen containing compound.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8551325 Process for producing hydrocarbon oil Oct. 8, 2013
8394735 Catalyst for ultra-deep desulfurization of diesel via oxidative distillation, its preparation and desulfurization method Mar. 12, 2013
8118995 Process for inhibiting fouling in hydrocarbon processing Feb. 21, 2012
8058493 Removing amines from hydrocarbon streams Nov. 15, 2011
7396450 Method of reducing amount of peroxides, reducing fuel sediments and enhancing fuel system elastomer durability, fuel stability and fuel color durability Jul. 8, 2008
7077950 Continuous process for the removal of water from a hydrocarbon stream Jul. 18, 2006
6627069 Method for reducing the naphthenic acid content of crude oil and its fractions Sep. 30, 2003
6579442 Methods and compositions for inhibiting polymerization of vinyl monomers Jun. 17, 2003
6531103 Process for removing sulfur compounds from gas and liquid hydrocarbon streams Mar. 11, 2003
6483003 Removal of impurities from a hydrocarbon component or fraction Nov. 19, 2002
6409910 Process for treating gas or liquids that are obtained from catalytic reforming Jun. 25, 2002
6372124 Removal of impurities from hydrocarbon streams Apr. 16, 2002
6320090 Method of removing contaminants from petroleum distillates Nov. 20, 2001
5921911 Methods of inhibiting foam formation in alkanolamine systems Jul. 13, 1999
5847209 Process for recovery of solid and reusable urea from the urea adduction process Dec. 8, 1998
5824214 Method for hydrotreating and upgrading heavy crude oil during production Oct. 20, 1998
5608112 Process for reducing organic pollutants Mar. 4, 1997
5476988 Settling aids for solids in hydrocarbons Dec. 19, 1995
5458765 Process of drying and removing solids from waste oil Oct. 17, 1995
5417845 Use of decahydro pyrazino [2,3-b] pyrazine for the reduction of the proportion of free or combined hydrogen sulphide present in a fluid May. 23, 1995
5354453 Removal of H.sub.2 S hydrocarbon liquid Oct. 11, 1994
5282959 Method for the extraction of iron from liquid hydrocarbons Feb. 1, 1994
5264114 Hydrocarbon treating process Nov. 23, 1993
5154857 Demulsifying and antifouling agent suitable for separating possibly emulsified water/hydrocarbon mixtures Oct. 13, 1992
5114566 Crude oil desalting process May. 19, 1992
5015364 Method and means for refinery gas plant operation May. 14, 1991
4992210 Crude oil desalting process Feb. 12, 1991
4952301 Method of inhibiting fouling in caustic scrubber systems Aug. 28, 1990
4895641 Method of desalting crude oil Jan. 23, 1990
4752381 Upgrading petroleum and petroleum fractions Jun. 21, 1988
4746420 Process for upgrading diesel oils May. 24, 1988
4711713 Process for enhancing the cetane number and color of diesel fuel Dec. 8, 1987
4705622 Process for dedusting shale-oil Nov. 10, 1987
4705619 Hydroprocessing with self-promoted molybdenum and tungsten sulfide catalyst Nov. 10, 1987
4673489 Method for prevention of fouling in a basic solution by addition of specific nitrogen compounds Jun. 16, 1987
4668376 Supported, Mn sulfide promoted Mo and W sulfide hydroprocessing catalysts and uses thereof May. 26, 1987
4663023 Hydrotreating with self-promoted molybdenum and tungsten sulfide catalyst May. 5, 1987
4650563 Transition metal sulfide promoted molybdenum or tungsten sulfide catalysts and their uses for hydroprocessing Mar. 17, 1987
4643820 Process for enhancing the cetane number of diesel fuel Feb. 17, 1987
4634519 Process for removing naphthenic acids from petroleum distillates Jan. 6, 1987
4613726 Process for removing nickel, aluminum and chlorine from olefin oligomers Sep. 23, 1986
4466946 CO.sub.2 Removal from high CO.sub.2 content hydrocarbon containing streams Aug. 21, 1984
4457836 Supported, non (metal-promoted) carbon-containing molybdenum sulfide catalysts for selective nitrogen removal Jul. 3, 1984
4424118 Method for removing contaminants from hydrocarbonaceous fluid Jan. 3, 1984
4405825 Pour point reduction of syncrude Sep. 20, 1983
4306959 Use of chelating agents in the conversion of coal to low mineral content fuel Dec. 22, 1981
4297206 Solvent extraction of synfuel liquids Oct. 27, 1981
4250016 Recovery of bitumen from tar sand Feb. 10, 1981
4247389 De-ashing lubricating oils Jan. 27, 1981
4224142 Treatment of recycled ammonium sulfate-bisulfate solution Sep. 23, 1980

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