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Class Information
Number: 585/450
Name: Chemistry of hydrocarbon compounds > Aromatic compound synthesis > By condensation of entire molecules or entire hydrocarbyl moieties thereof, e.g., alkylation, etc. > With plural separation procedures
Description: Subject matter wherein a material usually the effluent from the alkylation reaction or a component thereof, passes through at least two separation steps.










Sub-classes under this class:

Class Number Class Name Patents
585/451 Including dissolving or solids formation or separation 10


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8546633 Method for producing alkylated aromatic compound, method for producing cumene, and method for producing phenol Oct. 1, 2013
8507744 Process for the purification of paraxylene Aug. 13, 2013
8252967 Process for the purification of paraxylene Aug. 28, 2012
8128895 Integrated production of FCC-produced C3 and cumene Mar. 6, 2012
8124035 Process and apparatus for alkylation of aromatic compound with aliphatic mono-olefin compound of 8 to 18 carbon atoms Feb. 28, 2012
8030238 Catalyst and process for the preparation of alkylated aromatic hydrocarbons Oct. 4, 2011
7914754 Integrated production of FCC-produced C2 and ethyl benzene Mar. 29, 2011
7795486 Integrated production of FCC-produced C3 and cumene Sep. 14, 2010
7795485 Integrated production of FCC-produced C2 and ethyl benzene Sep. 14, 2010
7652181 Alkylation reactor design with effluent recycle and impure benzene regeneration Jan. 26, 2010
7652182 Energy integrated processes including alkylation and transalkylation for making detergent range alkylbenzenes Jan. 26, 2010
7642389 Energy integrated processes including alkylation and transalkylation for making detergent range alkylbenzenes Jan. 5, 2010
7632473 Process and apparatus for alkylation of aromatic with olefin using impure aromatic recycle Dec. 15, 2009
7632974 Alkylation process for increased conversion and reduced catalyst use Dec. 15, 2009
7576247 Processes for making detergent range alkylbenzenes Aug. 18, 2009
7525005 Process for producing cumene Apr. 28, 2009
7525004 Process for producing ethylbenzene Apr. 28, 2009
7525003 Process for producing ethylbenzene Apr. 28, 2009
7525006 Process for producing cumene Apr. 28, 2009
7498471 Process for producing cumene Mar. 3, 2009
7498472 Process for producing ethylbenzene Mar. 3, 2009
7495140 Method of making a synthetic alkylaryl compound Feb. 24, 2009
7411101 Production of alkylaromatic compounds Aug. 12, 2008
7396968 Process and apparatus for alkylation of aromatic with olefin using impure aromatic recycle Jul. 8, 2008
RE39222 Process for preparing 2,6-dialkylnaphthalene Aug. 1, 2006
6762334 Alkylaromatic process with removal of aromatic byproducts using efficient distillation Jul. 13, 2004
6642425 Reactive distillation process for the alkylation of aromatic hydrocarbons Nov. 4, 2003
6525236 Membrane-augmented manufacture of cumene Feb. 25, 2003
6512153 Process for the alkylation of aromatic compounds Jan. 28, 2003
6417420 Alkylaromatic process with removal of aromatic byproducts using efficient distillation Jul. 9, 2002
6339179 Production of alkyl aromatics by passing transalkylation effluent to alkylation zone and to product recovery zone Jan. 15, 2002
6222084 Gas phase alkylation-liquid phase transalkylation process Apr. 24, 2001
6166281 Alkylation of benzene to form linear alkylbenzenes using fluorine-containing mordenites Dec. 26, 2000
6133492 Alkylation of benzene to form linear alkylbenzenes using fluorine-containing mordenites Oct. 17, 2000
6121501 Process for preparing 2,6-dialkylnaphthalene Sep. 19, 2000
6096935 Production of alkyl aromatics by passing transalkylation effluent to alkylation zone Aug. 1, 2000
6069285 Alkylaromatic process using a solid alkylation catalyst and a benzene rectifier May. 30, 2000
6013848 Conversion of heavy polyalkylaromatic compounds Jan. 11, 2000
6008422 Alkylation process using interbed recycling of cooled reactor effluent Dec. 28, 1999
5998684 Recovery process for wet aromatic alkylation and dry aromatic transalkylation Dec. 7, 1999
5962758 Process of producing ethylbenzene using alkylation and transalkylation with propylbenzene destruction Oct. 5, 1999
5959168 Zeolite-based ethylabenzene process adaptable to an aluminum chloride-based ethylbenzene plant Sep. 28, 1999
5955642 Gas phase alkylation-liquid transalkylation process Sep. 21, 1999
5900518 Heat integration in alkylation/transalkylation process May. 4, 1999
5877370 Method for minimizing diarylalkane formation in alkylation of aromatics by olefins by zeolite beta Mar. 2, 1999
5877384 Apparatus and process for separating reaction effluent in the manufacture of cumene Mar. 2, 1999
5856606 Turbulent bed solid catalyst hydrocarbon alkylation process Jan. 5, 1999
5847253 Alkylation-transalkylation process using stripping to produce a dry transalkylation feed Dec. 8, 1998
5744670 Process for preparing dialkylnaphthalene Apr. 28, 1998
5600049 Process for depropanizing benzene Feb. 4, 1997

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