国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01J（2）
IPC B01J023/44（2）
发明人 ZHANG F（2）
公开年
申请年
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

Carbon material catalyst loaded with noble metal useful for e.g. catalytically hydrogenating p-nitroaromatics in methanol/ethanol/toluene reaction medium to prepare aromatic amines, where catalyst has bamboo-shaped tubular morphology.

ZHANG F, LIU M, ZHANG M