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. 29, 1994
Filed:
Apr. 30, 1992
Applicant:
Inventors:
Arlice E Rains, Chattanooga, TN (US);
Terry E Lea, Ringgold, GA (US);
David I Templer, Arlington Heights, IL (US);
Assignee:
Velsicol Chemical Corporation, Rosemont, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568323 ;
Abstract
The present invention relates to the production of aryl ketones. Specifically the invention relates to the production of aryl ketones by reaction of aromatic hydrocarbon compounds and aromatic or aliphatic acyl halides in the presence of anhydrous iron (III) chloride. In particular, the invention relates to reaction under conditions of elevated temperature and pressure. Preferred embodiments of the invention specifically relate to the synthesis of benzophenone, methylbenzophenone and dimethylbenzophenone.