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. 10, 2007
Filed:
Nov. 08, 2002
Applicants:
Edward Bohres, Ludwigshafen, DE;
Ulrich Müller, Neustadt, DE;
Raimund Ruppel, Dresden, DE;
Eva Baum, Schwarzheide, DE;
Inventors:
Edward Bohres, Ludwigshafen, DE;
Ulrich Müller, Neustadt, DE;
Raimund Ruppel, Dresden, DE;
Eva Baum, Schwarzheide, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 41/03 (2006.01); B01J 27/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for preparing polyether alcohols by addition of alkylene oxides onto H-functional starter substances in the presence of multimetal cyanide catalysts, wherein the multimetal cyanide catalysts are microporous and have a specific surface area of more than 100 m/g, determined by nitrogen adsorption at 77 K.