The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 25, 2012
Filed:
Jun. 03, 2009
Shinji Senoo, Takaishi, JP;
Kazuhiko Kato, Yokohama, JP;
Kenji Doi, Ichihara, JP;
Katsunari Higashi, Ichihara, JP;
Shinji Senoo, Takaishi, JP;
Kazuhiko Kato, Yokohama, JP;
Kenji Doi, Ichihara, JP;
Katsunari Higashi, Ichihara, JP;
Mitsui Chemicals, Inc., Tokyo, JP;
Abstract
The process for producing alkylated aromatic compounds includes feeding raw materials including an aromatic compound, a ketone and hydrogen in a gas-liquid downward concurrent flow mode to a fixed-bed reactor packed with a catalyst thereby to produce an alkylated aromatic compound, wherein the catalyst includes a solid acid component and a metal component, the catalyst is loaded in the fixed-bed reactor such that the catalyst forms a catalyst layer, and the reaction gas flow rate defined by Equation (1) below is not less than 0.05 at an entrance of a layer containing the solid acid:ρg·ug·[ρair·ρwater/(ρg·ρl)](kgms).