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:
Sep. 29, 2009
Filed:
Apr. 21, 2006
Michael Rack, Heidelberg, DE;
Sebastian Peer Smidt, Mannheim, DE;
Manuel Budich, Böhl-Iggelheim, DE;
Volker Maywald, Ludwigshafen, DE;
Michael Keil, Freinsheim, DE;
Bernd Wolf, Fuβgönheim, DE;
Michael Rack, Heidelberg, DE;
Sebastian Peer Smidt, Mannheim, DE;
Manuel Budich, Böhl-Iggelheim, DE;
Volker Maywald, Ludwigshafen, DE;
Michael Keil, Freinsheim, DE;
Bernd Wolf, Fuβgönheim, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
Method for the production of 1,3,5-trifluoro-2,4,6-trichlorobenzene from fluorobenzene comprising steps A) and B): A) chlorination of fluorobenzene derivatives of formula (II), in which X=fluorine of H, Z=nitro, bromo or chloro and n=0 or 1-4 and B) fluorination of the distillation residue and separation by distillation of the 1,3,5-trifluoro-2,4,6-trichlorobenzene thus produced.