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:
Jul. 16, 2013
Filed:
Feb. 25, 2011
Applicants:
Torsten Mattke, Freinsheim, DE;
Ralf Boehling, Lorsch, DE;
Carsten Knoesche, Niederkirchen, DE;
Vanessa Simone Lehr, Mannheim, DE;
Inventors:
Torsten Mattke, Freinsheim, DE;
Ralf Boehling, Lorsch, DE;
Carsten Knoesche, Niederkirchen, DE;
Vanessa Simone Lehr, Mannheim, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 263/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for preparing isocyanates by reacting the corresponding amines with phosgene in the gas phase, in the presence or absence of an inert medium, which comprises the following steps: