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Class Information
Number: 585/840
Name: Chemistry of hydrocarbon compounds > Purification, separation, or recovery > By addition of extraneous agent, e.g., solvent, etc. > Different, sequentially used agents > Later agent disengages earlier, e.g., decomplexing agent, etc. > Later agent is hydrocarbon
Description: Subject matter in which a later agent which disengages an earlier agent is a hydrocarbon.

Patents under this class:

Patent Number Title Of Patent Date Issued
5863420 Unsaturated hydrocarbon separation and recovery process Jan. 26, 1999
5122236 Method for removal of dimethyl ether and methanol from C.sub.4 hydrocarbon streams Jun. 16, 1992
4409421 Process for the preparation of pure tert.-olefins Oct. 11, 1983
4353840 Use of amine-aluminum chloride adducts as alkylation inhibitors in a ligand-complexing process Oct. 12, 1982
4154584 Method for cooling gases containing naphthalene, tar and solids May. 15, 1979
4153630 Inclusion compounds, process for preparation thereof, and process for separating isomers using the inclusion compounds May. 8, 1979
4091045 Process for the purification of liquid sorbents that comprise bimetallic salt complexes May. 23, 1978
4070410 Method of isolating individual normal alkanes from petroleum stock Jan. 24, 1978
4014950 Process for the purification of liquid sorbents comprising bimetallic salt complexes Mar. 29, 1977
3962366 Isomerization and separation of cymenes from mixtures containing same Jun. 8, 1976

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