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:
Jun. 30, 2009
Filed:
Oct. 24, 2003
Applicants:
Bernard Buathier, Saint-Cyr-Au-Mont-d'Or, FR;
Pierre Le Roy, Lyons, FR;
Inventors:
Bernard Buathier, Saint-Cyr-Au-Mont-d'Or, FR;
Pierre Le Roy, Lyons, FR;
Assignees:
BASF Agro B.V., Arnhem, NL;
Wadenswil/AU, , CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 209/74 (2006.01); C07C 211/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Process for the preparation of a compound of general formula (I): in which X represents a halogen atom,by reaction of para-trifluoromethylaniline of formula (II): with a dihalogen X,the two compounds being introduced simultaneously into a polar aprotic solvent in a dihalogen/compound (II) molar ratio ranging from 1.9 to 2.5 and at a temperature ranging from 100 to 300° C.