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Class Information
Number: 585/843
Name: Chemistry of hydrocarbon compounds > Purification, separation, or recovery > By addition of extraneous agent, e.g., solvent, etc. > Ag
Description: Subject matter wherein an extraneous agent contains silver or a compound thereof.










Sub-classes under this class:

Class Number Class Name Patents
585/844 By interaction with monoolefin 21


Patents under this class:

Patent Number Title Of Patent Date Issued
8143470 Method of purifying olefins using pyrrolidinium-based or piperidinium-based ionic liquids comprising copper (I) halide Mar. 27, 2012
7973209 Fractionation recovery processing of light olefins free of carbon dioxide Jul. 5, 2011
7411107 Alkene separation process Aug. 12, 2008
7361800 Process for the separation of olefins from paraffins using membranes Apr. 22, 2008
7019188 Use of ionic liquids to separate olefins, diolefins and aromatics Mar. 28, 2006
6849774 Separation of dienes from olefins using ionic liquids Feb. 1, 2005
6491888 pH control method of reducing nitrogen oxides emission Dec. 10, 2002
6423881 Selective adsorption of alkenes using supported metal compounds Jul. 23, 2002
6414210 Process for the separation of light olefins from paraffins Jul. 2, 2002
6339182 Separation of olefins from paraffins using ionic liquid solutions Jan. 15, 2002
6147273 Method for the separation of compounds having olefinic unsaturation Nov. 14, 2000
5859304 Chemical absorption process for recovering olefins from cracked gases Jan. 12, 1999
5728910 Oil-forming method of chlorine-containing plastic refuse Mar. 17, 1998
5421994 Process for the recovery of mercury and arsenic in a hydrocarbon cut Jun. 6, 1995
5401392 Process for eliminating mercury and possibly arsenic in hydrocarbons Mar. 28, 1995
5245106 Method of eliminating mercury or arsenic from a fluid in the presence of a mercury and/or arsenic recovery mass Sep. 14, 1993
5191151 Use of silver-exchanged ionomer membranes for gas separation Mar. 2, 1993
4943673 Novel metal-diketone absorbents for olefins Jul. 24, 1990
4911825 Process for elimination of mercury and possibly arsenic in hydrocarbons Mar. 27, 1990
4430205 Method for the improvement of the oxidation resistance of hydrocarbon oil, especially transformer oils by the selective removal of pro-oxidant nitrogen and sulfur compounds therefrom Feb. 7, 1984
4409410 Process for selectively hydrogenating a di-olefin in a mixture of hydrocarbons having at least 4 carbon atoms and comprising an .alpha.-olefin Oct. 11, 1983
4393249 Process for removing alkynes from C.sub.4 hydrocarbon mixtures Jul. 12, 1983
4385005 Process for separating unsaturated hydrocarbons using copper or silver complexes with fluorinated diketonates May. 24, 1983
4328382 Process for separating off olefins from gases containing olefins May. 4, 1982
4266086 Process for removing .alpha.-acetylenes from diolefins May. 5, 1981
4174355 Process for removing .alpha.-acetylenes from diolefins Nov. 13, 1979
4105588 Preparation of copper and silver particles for ethylene purification Aug. 8, 1978
3979280 Separation of unsaturated compounds from liquid hydrocarbon mixtures containing same Sep. 7, 1976
3960976 Method for the separation of hydrocarbons Jun. 1, 1976
3944628 Method for the separation of hydrocarbons Mar. 16, 1976











 
 
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