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Class Information
Number: 585/449
Name: Chemistry of hydrocarbon compounds > Aromatic compound synthesis > By condensation of entire molecules or entire hydrocarbyl moieties thereof, e.g., alkylation, etc. > Plural alkylation stages
Description: Subject matter in which the effluent from an aromatic alkylation reaction is sent to another aromatic alkylation reaction.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8680354 Process for the reduction of alkylation catalyst deactivation utilizing low silica to alumina ratio catalyst Mar. 25, 2014
8637720 Processes for the reduction of alkylation catalyst deactivation utilizing stacked catalyst bed Jan. 28, 2014
8633342 Process for producing alkylaromatic compounds Jan. 21, 2014
8629311 Alkylated aromatics production Jan. 14, 2014
8609916 Processes for preparing alkylated aromatic compounds Dec. 17, 2013
8609915 Processes for preparing alkylated aromatic compounds Dec. 17, 2013
8558046 Aromatic alkylation process Oct. 15, 2013
8552238 Process for the reduction of alkylation catalyst deactivation Oct. 8, 2013
8546633 Method for producing alkylated aromatic compound, method for producing cumene, and method for producing phenol Oct. 1, 2013
8524964 Hydrocarbon conversion process using EMM-10 family molecular sieve Sep. 3, 2013
8481794 Methods and apparatuses for producing ethylbenzene Jul. 9, 2013
8426662 Processes for reduction of alkylation catalyst deactivation utilizing stacked catalyst bed Apr. 23, 2013
8420877 Process for ethylbenzene production Apr. 16, 2013
8373014 Solid catalyst hydrocarbon alkylation using stacked moving bed radial flow reactors Feb. 12, 2013
8357830 Monoalkylated aromatic compound production Jan. 22, 2013
8258360 Multiphase alkylaromatics production Sep. 4, 2012
8237001 Process for obtention of highly-lineal, adjustable-isomery monoalkylated aromatic compounds Aug. 7, 2012
8124035 Process and apparatus for alkylation of aromatic compound with aliphatic mono-olefin compound of 8 to 18 carbon atoms Feb. 28, 2012
8110161 Alkylation process for increased conversion and reduced catalyst use Feb. 7, 2012
8071829 Alkylation process Dec. 6, 2011
8058494 Process for the production of phenylalkanes that uses at least two alkylation reactors in parallel Nov. 15, 2011
7923589 Alkylaromatics production using dilute alkene Apr. 12, 2011
7868218 Alkylaromatics production Jan. 11, 2011
7795483 Phenyl-alkane compositions produced using an adsorptive separation section Sep. 14, 2010
7790939 Alkylaromatics production Sep. 7, 2010
7777087 Liquid phase alkylation with multiple catalysts Aug. 17, 2010
7772448 Alkylaromatics production Aug. 10, 2010
7745676 Alkylaromatics production Jun. 29, 2010
7745674 Alkylation slurry reactor Jun. 29, 2010
7692054 Process and apparatus for alkylation of aromatic compound with aliphatic mono-olefin compound of 8 to 18 carbon atoms Apr. 6, 2010
RE41136 Process for preparing 2,6-dialkylnaphthalene Feb. 16, 2010
7652183 Method for producing alkyl aromatic compounds Jan. 26, 2010
7645913 Liquid phase alkylation with multiple catalysts Jan. 12, 2010
7638664 Hydrocarbon conversion process including a staggered-bypass reaction system Dec. 29, 2009
7632974 Alkylation process for increased conversion and reduced catalyst use Dec. 15, 2009
7622620 Hydrocarbon conversion process including a staggered-bypass reaction system Nov. 24, 2009
7576247 Processes for making detergent range alkylbenzenes Aug. 18, 2009
7569741 Petrochemical feedstock purification Aug. 4, 2009
7524467 Process for the production of alkylbenzene Apr. 28, 2009
7525002 Gasoline production by olefin polymerization with aromatics alkylation Apr. 28, 2009
7517506 Process for the production of alkylbenzene with ethane stripping Apr. 14, 2009
7501547 Alkylaromatics production Mar. 10, 2009
7498474 Vapor phase aromatics alkylation process Mar. 3, 2009
7495140 Method of making a synthetic alkylaryl compound Feb. 24, 2009
7476774 Liquid phase aromatics alkylation process Jan. 13, 2009
7420098 Dual zone aromatic alkylation process Sep. 2, 2008
7304198 Staged alkylation in microchannels Dec. 4, 2007
7297826 Method for producing phenylalkanes using a combination of two catalysts Nov. 20, 2007
7217850 Process for the production of phenylalkanes in the presence of a solid acid catalyst the deactivation of which is delayed May. 15, 2007
7189885 Staged process for producing linear 2-phenyl-alkanes Mar. 13, 2007

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