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:
Mar. 07, 1995
Filed:
Dec. 28, 1992
Applicant:
Inventor:
Deborah K Kuhn, Erie, PA (US);
Assignee:
Mallinckrodt Chemical, Inc., Chesterfield, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07D / ;
U.S. Cl.
CPC ...
585455 ; 585446 ; 585467 ; 568700 ; 568 38 ; 568687 ; 568 18 ; 568 25 ; 568 42 ; 568 77 ; 568317 ; 568628 ; 549506 ;
Abstract
An aromatic compound (such as benzene) is alkylated with a alkene (such as propylene) by contacting the two compounds together in the presence of a tungsten on zirconia catalyst. The reaction preferably takes place at elevated temperature and elevated pressure. The process of the invention has very high selectivity and conversion, and produces no or only very low amounts of undesirable oligomers (as measured by bromine number).