Polymerization of ethylene oxide using metal cyanide catalysts
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United States of America Patent
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-
Nov 4, 2003
Grant Date -
Dec 26, 2002
app pub date -
Apr 24, 2002
filing date -
Jul 9, 1999
priority date (Note) -
Expired
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Abstract
Ethoxylations of various initiator compounds are performed in the presence of metal cyanide catalysts. The catalysts surprisingly form a wide variety of polyether products that in most cases contain only small amounts of high molecular weight poly(ethylene oxide).
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