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:
Mar. 17, 2009
Filed:
Mar. 17, 2005
Raimund Ruppel, Dresden, DE;
Eva Baum, Schwarzheide, DE;
Thomas Ostrowski, Mannheim, DE;
Kathrin Harre, Dresden, DE;
Elke Bleuel, Dresden, DE;
Raimund Ruppel, Dresden, DE;
Eva Baum, Schwarzheide, DE;
Thomas Ostrowski, Mannheim, DE;
Kathrin Harre, Dresden, DE;
Elke Bleuel, Dresden, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
The invention relates to polyether alcohols, to a process for preparing polyether alcohols by reacting alkylene oxides in the presence of a double metal cyanide (DMC) catalyst with at least one saturated OH component which may, if appropriate, have previously been reacted with an alkylene oxide, wherein an antioxidant is added before or during the reaction, and also to the further processing of the polyether alcohols to form polyurethanes.