国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4） C07（3）
IPC小类 B01J（4） C07C（2）
IPC B01J023/755（4）
发明人
公开年 2023（4）
申请年 2022（4）
专利权人

Difluoroethyl acetate is used in field of chemical industry, prepared by primary microwave heating, secondary microwave heating, primary purification and secondary purification.

GUO Y, YAN Z, GE F, WU S, LI P

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 carbon-supported catalyst for sewage treatment, involves heating graphite compound, small molecule compounds containing nitrogen, sulfur, phosphorus and transition metal compound, by three-stage heating, where first, second and third sections of furnace, are maintained at preset conditions.

LI S, LAI Q

Preparing catalyst used for preparing vanillic aldehyde and 4-methyl guaiacol, involves mixing metal nickel salt, cobalt salt, carbon source, and amine source in solvent in certain proportion, heating, stirring to form uniform jelly, and drying jelly to obtain the catalyst precursor.

CHEN L, ZHANG Q, ZHANG X, MA L, LIU J