Patent ID: 9464011
Filing Date: 2016-10-11
CPC Classification: B01J,C07C,Y02P

Claim Text:
1. A process for producing an alkylated aromatic compound, the process comprising contacting an aromatic starting material and hydrogen with a plurality of catalyst particles under hydroalkylation conditions to produce an effluent comprising the alkylated aromatic compound, the catalyst comprising a composite of a solid acid, an inorganic oxide different from the solid acid and a hydrogenation metal, wherein the distribution of the hydrogenation metal in at least 60 wt % of the catalyst particles is such that: the average concentration of the hydrogenation metal in the rim portion of a given catalyst particle is Crim; the average concentration of the hydrogenation metal in the outer portion of a given catalyst particle is Couter; and the average concentration of the hydrogenation metal in the center portion of the given catalyst particle is Ccenter; and at least one of the following conditions is met: