C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/249
C08G 65/20 (2006.01) C08G 18/48 (2006.01) C08G 65/30 (2006.01)
Patent
CA 1121943
ABSTRACT The oligomeric cyclic ether content of a tetra- hydrofuran/alkylene oxide polymerizate is significantly reduced by bringing the polymerizate into contact at elevated temperatures with an ion exchange resin bearing -SO3H groups.
323441
Pruckmayr Gerfried
Robinson Ivan M.
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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