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. 08, 1994
Filed:
Feb. 05, 1992
Applicant:
Inventors:
David L Sikkenga, Wheaton, IL (US);
Ian C Zaenger, Wheaton, IL (US);
Gregory S Williams, Tampa, FL (US);
Assignee:
Amoco Corporation, Chicago, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
585410 ; 585411 ; 585430 ; 585320 ; 585481 ; 203 34 ; 203D / ;
Abstract
A method for the acid catalyzed cyclization of an alkenylbenzene feedstock to a dimethyltetralin in a liquid phase reaction wherein the desired dimethyltetralin is removed from the reaction mixture by distillation simultaneously with the addition of the feedstock to the reaction mixture.