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:
Oct. 07, 2014
Filed:
Nov. 18, 2009
Daniel Breuninger, Bobenheim-Roxheim, DE;
Johannes Adam, Dresden, DE;
Heiner Schelling, Kirchheim, DE;
Eckhard Stroefer, Mannheim, DE;
Markus Kraemer, Radeburg, DE;
Matthias Eiermann, Limburgerhof, DE;
Kai Thiele, Antwerp, DE;
Michael Zoellinger, Eislingen, DE;
Rolf Pinkos, Bad Duerkheim, DE;
Daniel Breuninger, Bobenheim-Roxheim, DE;
Johannes Adam, Dresden, DE;
Heiner Schelling, Kirchheim, DE;
Eckhard Stroefer, Mannheim, DE;
Markus Kraemer, Radeburg, DE;
Matthias Eiermann, Limburgerhof, DE;
Kai Thiele, Antwerp, DE;
Michael Zoellinger, Eislingen, DE;
Rolf Pinkos, Bad Duerkheim, DE;
BASF SE, Ludwigshafen, DE;
Abstract
The present invention relates to a process for preparing an isocyanate, comprising hydrogenating a mixture (Gi) comprising an amine in the presence of a hydrogenation catalyst comprising copper to obtain a mixture (Gii) comprising the amine, and reacting the mixture (Gii) with phosgene to obtain a mixture (Giii) comprising the isocyanate. The present invention further relates to the isocyanate preparable by this process.