国家/地区 中国（5）
IPC部 B（5）
IPC大类 B01（5）
IPC小类 B01J（5）
IPC B01J027/122（5）
发明人
公开年 2021（2） 2022（2）
申请年 2020（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

Catalyst composition useful for catalyzing methylation and/or propargylation reactions, and preparing pyraclonil, comprises e.g. graphene oxide and anion exchange resin, sodium bromide, potassium bromide, copper chloride, tetrabutylamine bromide, and tetrabutylamine iodide.

KONG F, CHEN L, SU W, SUN Y, ZHANG K, ZENG R

Preparaing chloroethylene comprises using ethylene, hydrogen chloride and oxygen prepared into chloroethylene in a reactor under the action of a composite catalyst.

CHEN D, MA H, FENG X

Preparing copper catalyst useful in reaction of acetylene hydrochlorination to synthesize vinyl chloride, comprises e.g. dissolving copper-containing precursor and base metal auxiliary agent in solvent, and stirring.

ZHAO J, PANG X, WANG B, YUE Y, WANG S, JIANG Z, ZHU W, LI X, JIA Z, BOLIN W, YUXUE Y, SAISAI W

Catalyst used for synthesizing quinazoline compound comprises iron oxide doped with copper iodide loaded in graphene oxide.

FAN L, KONG L