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:
Aug. 01, 2006
Filed:
Nov. 19, 2002
Andreas Woelfert, Bad Rappenau, DE;
Christian Mueller, Mannheim, DE;
Eckhard Stroefer, Mannheim, DE;
Joachim Pfeffinger, Ludwigshafen, DE;
Markus Weber, Ludwigshafen, DE;
Carsten Knoesche, Niederkirchen, DE;
Andreas Woelfert, Bad Rappenau, DE;
Christian Mueller, Mannheim, DE;
Eckhard Stroefer, Mannheim, DE;
Joachim Pfeffinger, Ludwigshafen, DE;
Markus Weber, Ludwigshafen, DE;
Carsten Knoesche, Niederkirchen, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
The invention relates to a method for producing isocyanates by reacting primary amines with phosgene in the gaseous phase. Said method is characterized in that the reaction of amine and phosgene occurs in a reaction channel, the internal dimensions of which have a width/height ratio of at least 2/1.