国家/地区 中国（5）
IPC部 B（5）
IPC大类 B01（5）
IPC小类 B01J（5）
IPC B01J035/02（5）
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

Preparation of bifunctional graphene oxide catalyst used in e.g. etherification oxidation, involves adding monofunctional graphene oxide to ethylene glycol, adding noble metal chloride, heating, mixing with reducing agent, and refluxing.

LEI J, CAI Z, WANG Z, LI X, LI K

Preparing titanium dioxide-based composite solid catalyst useful for preparing allantoin comprises e.g. mixing tetrabutyl titanate, graphene, dimethylformamide and ethanol to form solution A and mixing water, ethanol and acetic acid.

MAO Z

Catalyst for preparing 2,5-furan dicarboxylic acid comprises active metal component and rest is carrier, where carrier comprises graphene, silicon carbide, alumina, silica, activated carbon or nitride.

GUO X, MA B, WANG Y