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:
May. 12, 1998
Filed:
Dec. 11, 1996
Applicant:
Inventors:
Adalbert Wagner, Hattersheim/Main, DE;
Heinz-Werner Kleemann, Bad Homburg, DE;
Dieter Regnat, Frankfurt am Main, DE;
Hans-Jerg Kleiner, Kronberg/Taunus, DE;
Assignee:
Clariant GmbH, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07C / ;
U.S. Cl.
CPC ...
549 57 ; 549 49 ; 570183 ;
Abstract
Aromatic bromomethyl compounds play a major role in the synthesis of active substances. They can be obtained in particularly pure form by the free-radical bromination of aromatic methyl compounds in the solvent chlorobenzene.