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Class Information
Number: 585/861
Name: Chemistry of hydrocarbon compounds > Purification, separation, or recovery > By addition of extraneous agent, e.g., solvent, etc. > N-containing > Ammonia
Description: Subject matter wherein an agent is NH3

Patents under this class:

Patent Number Title Of Patent Date Issued
6476284 Method of dehalogenating hydrocarbon containing carbon-carbon double bond Nov. 5, 2002
6395953 Process for preparing purified conjugated diene May. 28, 2002
6114593 Method for reducing organic fluoride levels in hydrocarbons Sep. 5, 2000
6100439 Styrene caustic wash extraction aid Aug. 8, 2000
5110364 Processes for decontaminating polluted substrates May. 5, 1992
5094723 Separation of m-xylene from p-xylene or o-xylene by extractive distillation with alcohols Mar. 10, 1992
4906302 Solids decontamination method with ammonia Mar. 6, 1990
4841998 Soil decontamination method Jun. 27, 1989
4642408 Method for the removal of nickel, aluminum and chlorine from olefin oligomers Feb. 10, 1987
4613726 Process for removing nickel, aluminum and chlorine from olefin oligomers Sep. 23, 1986
4455447 Process for upgrading hydrocarbon streams comprising conjugated diolefins Jun. 19, 1984
4437941 Separation of hydrocarbon and alcohol azeotropic mixtures by distillation with anhydrous ammonia Mar. 20, 1984
4296081 Process for purifying gaseous effluents Oct. 20, 1981
4244711 Process for minimizing the deposition of materials in the ammonia liquor coolers in the coking of carbonaceous materials Jan. 13, 1981
4128594 Process for the purification of alkyl aromatics Dec. 5, 1978
4117023 Method of separation of catalytic residues derived from aluminum chloride Sep. 26, 1978
4028485 Non-aqueous removal of soluble hydrogenation catalyst Jun. 7, 1977

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