| http://www.w3.org/ns/prov#value | - Further, reaction products having compositions substantially similar to those of said polyesterpolyols, prepared by reacting after proper selection compounds, other than said polyols and polycarboxylic acids, for example, alkylene oxides such as ethylene oxide, propylene oxide, butylene oxide, etc.; epoxyalkyl compounds such as l,2-epoxypentane, 2,3-epoxypentane, 1,2-epoxyhexane, 2,3-epoxyhexane,
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