Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Thomas Krumrey1
Kurt Schalapski1
Mark Hewlett1
Robert Rapier1
Bak Shah1
John Steinbach1
Date of Patent
August 8, 2006
Patent Application Number
10497356
Date Filed
November 27, 2002
Patent Primary Examiner
Patent abstract
The invention relates to a hydroformylation method, whereby the homogeneous liquid reactor discharge is first supplied to a gas/liquid separator and then run through an extraction column with a counter-current of synthesis gas and finally fed to an evaporator. The invention is characterised in that the homogeneous liquid mass flow is supplied to the upper section of the extraction column at a temperature above 90° C.
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