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. 16, 2016
Filed:
Apr. 18, 2009
Jens Krause, Mours Saint Eusebe, FR;
Stephan Reiter, Köln, DE;
Stefan Lindner, Köln, DE;
Axel Schmidt, Singapore, SG;
Klaus Jurkschat, Dortmund, DE;
Markus Schürmann, Recklinghausen, DE;
Gerrit Bradtmöller, Dorsten, DE;
Jens Krause, Mours Saint Eusebe, FR;
Stephan Reiter, Köln, DE;
Stefan Lindner, Köln, DE;
Axel Schmidt, Singapore, SG;
Klaus Jurkschat, Dortmund, DE;
Markus Schürmann, Recklinghausen, DE;
Gerrit Bradtmöller, Dorsten, DE;
Covestro Deutschland AG, Leverkusen, DE;
Abstract
The present invention relates to new catalysts and production thereof as well as the preferred use thereof in the production of polyisocyanate polyaddition products. The described catalysts are tetravalent tin compounds with at least one ligand bonded via at least one oxygen atom or sulfur atom and containing at least one nitrogen atom.