Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Monika Förster0
Ekkehard Lindner0
Gerrit Luinstra0
Hans-Helmut Görtz0
Andreas Baumann0
Date of Patent
September 26, 2006
0Patent Application Number
105104750
Date Filed
April 10, 2003
0Patent Primary Examiner
Patent abstract
A process is described for preparing polyoxymethylene by contacting a formaldehyde source with a catalyst of the formula I[ML1aL2b]cm+Zc·m/nn− (I)whereM is a metal of group VIII;L1 is a ligand having at least one π-electron pair;each L2 is independently tetrahydrofuran or a ligand which is displaceable by tetrahydrofuran;Z is an anion;a is 1 or 2;b is an integer from 0 to 4;c is 1 or 2; andm and n are integers from 1 to 4.
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