公开(公告)号：US10570312B2

公开(公告)日：2020-02-25

申请号：US15579785

申请日：2016-07-29

申请人： versalis S.p.A.

发明人： Cecilia Querci ,  Danilo Del Prete ,  Maria Caldararo ,  Gianni Girotti

IPC分类号： C09F1/04 ,  C07C67/56 ,  C07C67/58 ,  C07J53/00 ,  C07J71/00 ,  C07C67/52 ,  C07C29/09 ,  B01D9/00 ,  B01D17/02 ,  C07C67/03 ,  C08C1/04

摘要： Method for the separation of at least one isoprenic constituent from the resin of a plant of guayule and/or of the guayule type comprising the steps of: a) providing a defatted resin of guayule and/or of the guayule type; b) subjecting the defatted resin to partitioning of the liquid-liquid type with solvents that are immiscible in each other thus obtaining an apolar extract containing the isoprenic constituents guayulin A, guayulin B and argentatin B; and a polar extract containing the isoprene constituents argentatin A, argentatin C and argentatin D; and c) separating at least one isoprenic constituent from said polar extract and/or from the apolar extract thus obtained, wherein step c) comprises a step in which the polar extract is subjected to partitioning of the liquid-liquid type with solvents immiscible in each other and/or a step in which the apolar extract is subjected to partitioning of the solid-liquid type.