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公开(公告)号：US20200277245A1
公开(公告)日：2020-09-03
申请号：US16874732
申请日：2020-05-15
Applicant: AGC INC.
Inventor： Hidefumi SHIOTA , Shoji FURUTA
IPC: C07C17/383
Abstract: The method of purifying 1224yd (Z) includes: distilling a composition comprising 1224yd (Z) and 244bb in a presence of an extracting solvent comprising at least one compound selected from the group consisting of an alcohol, an ether, a nitrile, a ketone, a carbonate ester, an amide, an ester, a sulfoxide, a hydrocarbon, a chlorohydrocarbon, and a fluorohydrocarbon; and thereby, separating at least a part of 244bb from the composition.
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