国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01J（3）
IPC B01J031/26（3）
发明人
公开年 2022（3）
申请年
专利权人

Preparation of 2,4'-difluorobenzophenone involves adding fluorobenzene and catalyst, heating, dripping o-fluorobenzoyl chloride, heat-preserving, placing in kettle filled with water, leaving still for layering, and distilling oil layer.

CAO F, YI G, LI X

Preparing catalyst hydrogel sphere comprises preparing chitosan solution comprises adding chitosan into the acetic acid solution to obtain the chitosan solution, preparing sodium alginate glutaric dialdehyde solution, mixing the chitosan solution with the catalyst graphene.

YANG L, NAI J, LI Z, LI Y, ZHAO X, HAN Y, TIAN J, JIANG L

Composite photocatalyst useful in producing hydrogen, comprises bismuth-rich oxybromide, polyaniline, and graphene oxide.

CHEN J, MIAO S, WANG S, GE Z, ZHANG Q, ZHANG F, ZHENG D