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:
Dec. 31, 2013
Filed:
Apr. 22, 2011
Applicants:
Sirus Zarbakhsh, Central Hong Kong, CN;
Markus Schuette, Osnabrueck, DE;
Marc Fricke, Osnabrueck, DE;
Inventors:
Sirus Zarbakhsh, Central Hong Kong, CN;
Markus Schuette, Osnabrueck, DE;
Marc Fricke, Osnabrueck, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 43/00 (2006.01); C08G 18/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for preparing polyether alcohols by reacting a) aromatic amines with b) alkylene oxides in the presence of c) a catalyst, wherein the alkylene oxide b) comprises at least 90% by weight, based on the weight of the component b), of propylene oxide and an amine is used as catalyst c).