国家/地区 中国（4）
IPC部 B（4） C（4）
IPC大类 B01（4）
IPC小类 B01J（4） C07D（3）
IPC B01J027/138（4）
发明人 MAO Z（3）
公开年 2018（4）
申请年 2018（4）
专利权人 MAO Z（3）

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

Preparation of titanium dioxide-based composite/Lewis acid composition for preparing allantoin, involves mixing tetrabutyl titanate, graphene, dimethylformamide, and ethanol to form solution, and mixing water, ethanol and acetic acid.

MAO Z

Preparing composite photo-catalyst involves taking of titanium source and graphene oxide dispersed in absolute ethanol under ultrasonic conditions, dissolving fluorine source in distilled water, and then stirring the mixture uniformly.

QU W, YU M, HU Q, CHEN D, ZHANG L, PENG J