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:
Feb. 14, 1984
Filed:
Sep. 25, 1981
Applicant:
Inventors:
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
585313 ; 585323 ; 585461 ;
Abstract
A process for the continuous preparation of ethylbenzene in a heterogeneous-phase reaction by alkylating benzene with ethylene in the presence of a catalyst based on a complex organic aluminum chloride compound and a co-catalyst at an elevated temperature and elevated pressure, with a residence time of from 5 to 60 minutes in one or more reaction zones, the reaction mixture, after completion of the reaction, being fed into a pressure vessel and vigorously mixed therein for from 20 to 60 minutes at from 120.degree. to 160.degree. C.