国家/地区 中国（4）
IPC部 B（4） C（4）
IPC大类 B01（4）
IPC小类 B01J（4） C07C（2） C07D（2）
IPC
发明人 ZHANG Z（4）
公开年 2022（4）
申请年 2021（2） 
专利权人

Preparing paraquat by mixing pyridine and methanol, dripping methyl chloride, carrying out pyridine alkylation reaction and dimerization reaction, removing impurities, adding beating water, acid solution, homogeneous catalyst, feeding liquid chlorine, reacting, filtering and separating catalyst.

HUO M, FU S, WU C, ZHANG L, ZHANG Z, YU J

Supported iron-based multi-component catalyst comprises carrier, active components and auxiliary agents where active components and auxiliary agents are dispersed on surface of carrier.

GUO X, GOU M, SONG Y, ZHANG Z, CHEN M, WANG H, GAO C, LI B, LIU J

Catalyst useful in preparing maleic anhydride by oxidation of benzene comprises carrier and active component supported on carrier, where the carrier is composite carrier comprising nano-carbon material and silicon carbide.

FENG Y, ZHANG Z, SHI H, ZHANG D

Preparation of ammonia oxidation catalyst used for synthesizing methacrylonitrile, by respectively dissolving high valence state manganese precursor and low valence state manganese precursor into deionized water and mixing.

LU W, ZHANG Z, HU S, ZHANG D, ZHANG W, LIU K