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. 06, 2001
Filed:
Jan. 19, 1999
Jacques Dubac, Pechbusque, FR;
Hafida Gaspard, Toulouse, FR;
Mireille Labrouillere, Agen, FR;
André Laporterie, Pompertuzat, FR;
Jean-Roger Desmurs, Saint-Symphorien-d'Ozon, FR;
Christophe Le Roux, Toulouse, FR;
Rhodia Chimie, Courbevoie Cedex, FR;
Abstract
A method for acylating an aromatic compound, specifically an activated or deactivated aromatic compound, is disclosed. The method is suitable for preparing aromatic ketones. The preparation of a catalyst and novel bismuth compounds is also disclosed. Said aromatic compound acylation method comprises reacting said aromatic compound with an acylating agent in the presence of a catalyst, and is characterised in that the acylation reaction is performed in the presence of an effective amount of at least one bismuth salt of trifluoromethanesulphonic acid.