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. 20, 2010
Filed:
Jul. 15, 2004
Elke Bleuel, Dresden, DE;
Monika Wetterling, Senftenberg, DE;
Marita Schuster, Stemwede-Haldem, DE;
Markus Templin, Lemfoerde, DE;
Dieter Rodewald, Ludwigshafen, DE;
Elke Bleuel, Dresden, DE;
Monika Wetterling, Senftenberg, DE;
Marita Schuster, Stemwede-Haldem, DE;
Markus Templin, Lemfoerde, DE;
Dieter Rodewald, Ludwigshafen, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
The present invention relates to a process for preparing autocatalytic polyether alcohols by reacting H-functional starter substances containing at least one amino group which is catalytically active in the urethane reaction, in particular a tertiary amino group, and at least one group which is reactive toward alkylene oxides, in particular a primary and/or secondary amino group and/or hydroxyl group, with alkylene oxides, which comprises