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US 5,126,493 AGranted
Alkoxylation of active hydrogen compounds
OwnerWolfgang Hoelderich, Jochen Houben +2inventors
InventorsWolfgang Hoelderich, Jochen Houben, Gerhard Wolf, Michael G. Kinnaird
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Abstract
Alkoxylates of active hydrogen compounds having a peaked molecular weight distribution are prepared by reacting the active hydrogen compound with an alkylene oxide of from 2 to 4 carbon atoms using iron oxides as alkoxylation catalysts.
Claims6
A process for preparing an alkoxylation product of an active hydrogen compound by reacting the active hydrogen compound with an alkylene oxide of from 2 to 4 carbon atoms, which comprises using a polycrystalline iron oxide as alkoxylation catalyst.
Dependencies are inferred from the claim text.