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Class Information
Number: 585/847
Name: Chemistry of hydrocarbon compounds > Purification, separation, or recovery > By addition of extraneous agent, e.g., solvent, etc. > Cu > Ammoniacal, e.g., cu ammonium acetate (caa), etc. > Triple-bond compound separated
Description: Subject matter wherein the agent, e.g., CAA, etc., is added for separation or purification of acetylene or a substituted acetylene.

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
6600083 Para-xylene production process integrating pressure swing adsorption and crystallization Jul. 29, 2003
4434317 Separation and recovery of unsaturated hydrocarbons by copper (I) complexes Feb. 28, 1984
4266086 Process for removing .alpha.-acetylenes from diolefins May. 5, 1981

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