公开(公告)号：US10435509B2

公开(公告)日：2019-10-08

申请号：US15740252

申请日：2016-06-29

申请人： TOHOKU TECHNO ARCH CO., LTD. ,  NOF CORPORATION

发明人： Kazushi Kinbara ,  Takahiro Muraoka ,  Adam Marcin Wawro ,  Tomoyuki Ohtake ,  Eui-chul Kang ,  Tomoki Uruga ,  Ryutaro Imamura

IPC分类号： C08G65/46 ,  C08G65/333 ,  C08G65/334 ,  B01D11/04 ,  B01D15/36 ,  C08G65/48

摘要： A hetero type monodispersed polyethylene glycol containing a compound represented by the following formula (1): NH2—(CH2CH2O)a—CH2CH2COOH  (1) (in the formula (1), a represents an integer from 6 to 40); wherein any of (A) a chromatogram detected by a differential refractometer when the hetero type monodispersed polyethylene glycol is separated using reverse phase chromatography, (B) a chromatogram detected by a differential refractometer when the hetero type monodispersed polyethylene glycol is separated using cation exchange chromatography, and (C) a chromatogram detected by a differential refractometer when the hetero type monodispersed polyethylene glycol containing a compound represented by the formula (1) shown above is derivatized and separated using anion exchange chromatography satisfy specific relational expressions, respectively.