US PATENT SUBCLASS 560 / 202
.~.~.~.~ Preparing esters by oligomerization


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560 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {17}
1  DF  .~ Carboxylic acid esters {14}
129  DF  .~.~ Acyclic acid moiety {9}
190  DF  .~.~.~ Polycarboxylic acid {11}
202.~.~.~.~ Preparing esters by oligomerization