C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/634.3
C07C 43/10 (2006.01)
Patent
CA 1091698
ABSTRACT Poly(tetramethylene ether) diester is converted to poly(tetramethylene ether) glycol by alcoholysis in a basic medium, using as a catalyst an oxide, hydroxide or alkoxide of calcium, strontium, barium or magnesium.
275045
E.i. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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