国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01J（2）
IPC B01J027/138（2）
发明人 MAO Z（2）
公开年 2018（2）
申请年 2018（2） 
专利权人 MAO Z（2）

Preparation of allantoin by titanium dioxide-based composite solid catalyst by mixing raw materials including tetrabutyl titanate, graphene and copper salt, heating, drying, grinding, calcining, soaking, and performing condensation reaction.

MAO Z

Preparation of allantoin using titanium dioxide-based composite solid catalyst by mixing tetrabutyl titanate, graphene and dimethylformamide, mixing copper salt, zinc salt and silver salt, heating, and performing condensation reaction.

MAO Z