国家/地区 中国（4）
IPC部 C（4）
IPC大类 C07（4） B01（3）
IPC小类 C07D（4）
IPC C07D487/08（2） C07D498/18（2）
发明人 WANG X（4）
公开年 2020（2）
申请年 2019（4）
专利权人 FUZHOU AONID.（2）

Preparing catalyst by using graphene as carrier and rare earth element modified SrHPO4-WO3 for fixed bed catalytic preparation of triethylene diamine and derivatives, involves using one or two of La and Ce oxides as catalytic promoters.

HUANG P, ZHOU S, WANG X, DUAN X, XIONG Q, LV Y, WANG Z, ZHONG H, ZHUO P, CAI H

Chromatographic column used for purifying tacrolimus, includes lower portion filled with chromatographic medium filler e.g. chromatographic silica gel or aluminum oxide, upper portion filled with mixed filler e.g. graphene powder.

YUE Z, QIN J, WANG X, LIN C

Graphene mixed filler useful in e.g. graphene mixed packing chromatography column for separation and purification of compound medicine with pi-conjugated electronic structure, comprises graphene materials and chromatography medium fillers.

YUE Z, YUE J, QIN J, LIN C, WANG X

Synthesis of hydroxyalkyltriethylenediamine compound involves reacting monosubstituted dihydroxyalkylpiperazine derivative and polar solvent, using solid phosphorylated graphene, centrifuging, and vacuum-distilling reaction solution.

WANG X, YANG Y, LI H, CUI Y