| http://www.w3.org/ns/prov#value | - The oligomers of lactic acid and its derivatives including all L-, D-, DL- configurations and mixtures thereof, both random and block configurations, useful for a plasticizer are defined by the formula III: ##STR6## where R=H, alkyl, aryl, alkylaryl or acetyl, and R is saturated, and where R'=H, alkyl, aryl, alkylaryl or acetyl, and R' is saturated, where R and R' cannot both be H, where q is an i
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