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:
Dec. 11, 2012
Filed:
Feb. 03, 2012
Stephan Bachmann, Allschwil, CH;
Stefan Hildbrand, Gelterkinden, CH;
James Jappy, Surry, GB;
Dinesh Maganbhai Patel, Berkshire, GB;
Christophe Pfleger, Mulhouse, FR;
Robert John Ernest Tidswell, Surry, GB;
Rene Trussardi, Birsfelden, CH;
Stephan Bachmann, Allschwil, CH;
Stefan Hildbrand, Gelterkinden, CH;
James Jappy, Surry, GB;
Dinesh Maganbhai Patel, Berkshire, GB;
Christophe Pfleger, Mulhouse, FR;
Robert John Ernest Tidswell, Surry, GB;
Rene Trussardi, Birsfelden, CH;
Hoffmann-La Roche Inc., Nutley, NJ (US);
Abstract
The present invention comprises a process for the preparation of 3-chloro-2-fluoro-5-trifluoromethyl benzoic acid of the formula or of a salt thereof. 3-Chloro-2-fluoro-5-trifluoromethyl benzoic acid or salts thereof are versatile intermediates for the preparation of active pharmaceutical or agrochemical agents.