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. 09, 1982
Filed:
Jul. 31, 1980
Applicant:
Inventor:
Russell L Kreeger, Somerville, NJ (US);
Assignee:
Union Carbide Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
585459 ; 585474 ;
Abstract
The catalyst activity in the Friedel-Crafts alkylation of aromatic compounds or the transalkylation of monoalkyl or polyalkyl aromatic compounds is increased by the addition of gaseous hydrogen halide directly to the catalyzed alkylation or transalkylation reaction mixture.