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:
Aug. 25, 2015
Filed:
Oct. 01, 2010
Applicants:
Igor Shishkov, Mannheim, DE;
Sirus Zarbakhsh, Birkenheide, DE;
Ronald Adelmann, Darmstadt, DE;
Wolfgang Rohde, Speyer, DE;
Achim Loeffler, Speyer, DE;
Inventors:
Igor Shishkov, Mannheim, DE;
Sirus Zarbakhsh, Birkenheide, DE;
Ronald Adelmann, Darmstadt, DE;
Wolfgang Rohde, Speyer, DE;
Achim Loeffler, Speyer, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
B01J 27/26 (2006.01); B01J 37/10 (2006.01); C08G 65/26 (2006.01);
U.S. Cl.
CPC ...
B01J 27/26 (2013.01); B01J 37/10 (2013.01); C08G 65/2609 (2013.01); C08G 65/2663 (2013.01);
Abstract
The invention relates to a method for conditioning double metal catalysts which are used in the production of polyether polyols. The conditioning enhances the performance of the catalyst, so that lower concentrations of the DMC catalyst can be used in polyether polyol production.