公开(公告)号：US11247192B2

公开(公告)日：2022-02-15

申请号：US16327437

申请日：2017-08-10

Applicant: SHOWA DENKO K.K.

Inventor： Junya Kato ,  Hideyuki Kondo ,  Ryuji Takahashi

IPC: B01J20/26 ,  G01N30/88 ,  B01D15/38 ,  B01D15/00 ,  B01J20/28 ,  B01D15/42 ,  B01J20/281 ,  B01J20/285

Abstract: Provided is a packing material for HILIC columns for more accurately and more easily performing oligosaccharide analysis by liquid chromatography; an HILIC column which is filled with the packing material for HILIC columns; and a method for analyzing an oligosaccharide with use of this packing material for HILIC columns A packing material for HILIC columns according to the present invention is composed of particles, each of which is obtained by reacting glycidol to a hydroxyl group of a porous cross-linked polymer base material having the hydroxyl group, and which have a hydrophilicity index of 2.30 or more and a surface-pH index of from 0.95 to 1.05.

公开(公告)号：US11167264B2

公开(公告)日：2021-11-09

申请号：US15556384

申请日：2016-03-03

Applicant: SHOWA DENKO K.K.

Inventor： Toru Matsui ,  Junya Kato

IPC: B01J20/26 ,  B01J20/291 ,  B01J20/285 ,  B01D15/34 ,  G01N30/74 ,  G01N30/88

Abstract: Provided is a packing material for liquid chromatography, including a gel obtained by polymerizing monomers including 40% by mass or more of a crosslinkable monomer having a (meth)acryloyloxy group.