公开(公告)号：US20240316534A1

公开(公告)日：2024-09-26

申请号：US18577700

申请日：2022-04-15

Applicant: JNC CORPORATION

Inventor： Kenji KADOI ,  Eri IWAMOTO ,  Tsuyoshi NAKAMA

IPC: B01J20/285 ,  B01D15/26

CPC classification number: B01J20/285 ,  B01D15/265 ,  B01J2220/4825 ,  B01J2220/50

Abstract: A porous particle has a controlled 3D network skeleton and communicating pores that include the voids of the skeleton and penetrate from the particle surface to the inside, a method produces the same, and a filler for chromatography uses the same. The porous particle mainly includes cellulose acetate or cellulose, is spherical, and has a 3D network skeleton and communicating pores that include the voids of the skeleton and penetrate from the particle surface to the inside. The retention time of dextran with a molecular weight of 2 million at a flow rate of 0.4 ml/min in a column with an inner diameter of 0.78 cm and a length of 30 cm filled with the porous particles is 20 minutes or more.