国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01J（4）
IPC C08F002/44（4）
发明人 LI H（2）
公开年 2021（4）
申请年 2020（2） 
专利权人

Preparation of composite material used for selective separation and enrichment of podophyllotoxin from water sample, involves adding podophyllotoxin as template molecule, graphene oxide, and modified hydroxypropyl cellulose to polymerization solvent, reacting, and washing away template molecule.

HU X, CHENG L, LI Q, LI X, ZHOU Z, LI H, SU X

New catalyst i.e. 1-methylpyrrolidine compound useful in preparing diol by hydration reaction of epoxy alkane.

YU F, HE W, JIN M

Preparing graphene composite ion exchange resin comprises passing graphene composite ion exchange resin through graphene composite copolymerized white ball, mixing and reacting with sulfonating agent and post-processing.

SHEN X, YING Y, LI H, PENG Z, SHI H

Preparing acrylic acid cross-linked copolymerized guar gum/graphene oxide gel adsorbent involves adding graphene oxide to mixed acid solvent, centrifuging, dissolving guar gum in solvent, adding graphene oxide solution, and stirring.

LI G, WANG G, HAO C