C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/249
C08G 65/20 (2006.01) C08G 65/30 (2006.01)
Patent
CA 1143893
ABSTRACT OF THE DISCLOSURE The oligomeric cyclic ether content of a tetra- hydrofuran/alkylene oxide polymerizate is significantly re- duced by bringing the polymerizate into contact with an acid-activated sodium or calcium montmorillonite clay.
329377
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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