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. 19, 2007
Filed:
May. 15, 2003
Gerhard Hamprecht, Weinheim, DE;
Michael Puhl, Lampertheim, DE;
Robert Reinhard, Ludwigshafen, DE;
Ingo Sagasser, Dannstadt-Schauernheim, DE;
Thomas Schmidt, Neustadt, DE;
Norbert Götz, Worms, DE;
Thomas Zierke, Böhl-Iggelheim, DE;
Gerhard Hamprecht, Weinheim, DE;
Michael Puhl, Lampertheim, DE;
Robert Reinhard, Ludwigshafen, DE;
Ingo Sagasser, Dannstadt-Schauernheim, DE;
Thomas Schmidt, Neustadt, DE;
Norbert Götz, Worms, DE;
Thomas Zierke, Böhl-Iggelheim, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
The present invention relates to a process for preparing sulfamoyl halides of primary or secondary amines, comprising the following steps: The invention further relates to a process for preparing sulfonic diamides, comprising the preparation of sulfamoyl halides by means of carrying out steps i) and ii) and subsequently reacting the sulfamoyl halide obtained with ammonia. The invention further relates to the use of this process for preparing active herbicidal ingredients having a sulfuric diamide structure. The invention further relates to novel sulfamoyl chlorides.