国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2） C07（2）
IPC小类 B01J（2）
IPC B01J035/02（2）
发明人
公开年
申请年 2022（2）
专利权人

Preparing a catalyst useful for producing 3,3',4,4'-biphenyltetracarboxylic dianhydride, comprises dispersing graphene oxide, reducing agent and palladium salt in water, heating, washing and drying.

DU J, WU J, HE H, FAN X, ZHANG G, ZHANG F, LI Y

In-situ preparing triazole-based lubricating oil additives based on friction-click chemistry, comprises e.g. mixing 1-methyl-3-propargyl imidazole ionic liquid, azide compound, nano-copper catalyst and base oil to obtain mixture, performing Husigen-cycloaddition reaction.

YU Q, WANG X, XU H, ZHOU F, CAI M