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Class Information
Number: 585/844
Name: Chemistry of hydrocarbon compounds > Purification, separation, or recovery > By addition of extraneous agent, e.g., solvent, etc. > Ag > By interaction with monoolefin
Description: Subject matter wherein the process involves silver or a silver compound interengaging a monoolefin from the feed, e.g., by dissolving monoolefin, forming a complex with monoolefin, etc.

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
7411107 Alkene separation process Aug. 12, 2008
7361800 Process for the separation of olefins from paraffins using membranes Apr. 22, 2008
6491888 pH control method of reducing nitrogen oxides emission Dec. 10, 2002
6423881 Selective adsorption of alkenes using supported metal compounds Jul. 23, 2002
6297414 Deep selective hydrogenation process Oct. 2, 2001
6147273 Method for the separation of compounds having olefinic unsaturation Nov. 14, 2000
5863420 Unsaturated hydrocarbon separation and recovery process Jan. 26, 1999
5859304 Chemical absorption process for recovering olefins from cracked gases Jan. 12, 1999
5191151 Use of silver-exchanged ionomer membranes for gas separation Mar. 2, 1993
4943673 Novel metal-diketone absorbents for olefins Jul. 24, 1990
4400564 Separation of monoolefins from diolefins Aug. 23, 1983
4398052 Separation of monoolefins from other monoolefins Aug. 9, 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
4174353 Olefin separation process Nov. 13, 1979
4154770 Isoparaffin-olefin alkylation utilizing a membrane to separate olefins from a feed stream May. 15, 1979
4132744 Process for separating liquid olefin-paraffin mixtures Jan. 2, 1979
4091045 Process for the purification of liquid sorbents that comprise bimetallic salt complexes May. 23, 1978
4014665 Membrane process and product Mar. 29, 1977
3960976 Method for the separation of hydrocarbons Jun. 1, 1976

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