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:
Jun. 28, 2011
Filed:
Nov. 06, 2004
Applicants:
Thomas Ostrowski, Mannheim, DE;
Raimund Ruppel, Mannheim, DE;
Eva Baum, Dresden, DE;
Kathrin Harre, Dresden, DE;
Inventors:
Thomas Ostrowski, Mannheim, DE;
Raimund Ruppel, Mannheim, DE;
Eva Baum, Dresden, DE;
Kathrin Harre, Dresden, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 41/03 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for the continuous preparation of polyether alcohols by reaction of alkylene oxides with H-functional starter substances in the presence of DMC catalysts, which comprises, at the beginning of the process