Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Pramod Gupta0
John Lohrenz0
Jörg Hofmann0
Pieter Ooms0
Walter Schäfer0
Date of Patent
March 7, 2006
0Patent Application Number
098908890
Date Filed
January 31, 2000
0Patent Citations Received
0
Patent Primary Examiner
Patent abstract
The invention provides new double metal cyanide (DMC) catalysts for preparing polyetherpolyols by the polyaddition of alkylene oxides to starter compounds which contain active hydrogen atoms, wherein the catalyst comprises a) double metal cyanide compounds, b) bile acids or their salts, esters or amides and c) organic complex ligands. The catalysts according to the invention show greatly increased activity during preparation of a polyetherpolyol.
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