国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3） C07（3）
IPC小类 B01J（3）
IPC B01J037/08（3）
发明人
公开年 2023（3）
申请年 2022（2） 
专利权人

Ultrasonically assisted preparation of oxygen-enriched defect graphene encapsulated metal nickel catalyst for synthesizing 4-aminoindole, involves adding nickel salt and organic ligand in solvent and performing hydrothermal reaction, followed by performing ultrasonic reflux treatment on precursor.

LI X, YAO Y, YAN W, LU C

Preparing furoic acid involves reacting furfural with oxygen to obtain the furoic acid, in aqueous solution and in presence of oxidation catalyst, oxidation catalyst is supported catalyst containing bismuth and noble metal, oxygen is derived from pure oxygen or air.

ZONG B, CHEN G, ZHENG L, SUN Q

Preparing catalyst useful for synthesizing caprolactam, comprises stirring and mixing raw materials including graphene oxide, phosphorus source and solvent, and subjecting mixture to solid-liquid separation, washing, drying, and roasting in nitrogen or inert gas atmosphere.

KONG M, HAN M, ZHANG X, DAI Y, XU L, DING K, GUO H, WANG G