国家/地区 中国（14）
IPC部 B（15）
IPC大类 C07（15）
IPC小类 C07D（15）
IPC C07D233/88（4） B01J023/745（3） B01J027/138（3）
B01J037/02（3） B01J023/72（2） B01J027/24（2）
B01J037/08（2） B01J037/34（2） B82Y020/00（2）
C09K011/06（2） G01N021/64（2）
发明人 MAO Z（4） ZHANG L（3） CHENG R（2）
公开年 2018（15）
申请年 2018（8）  2017（7） 
专利权人 MAO Z（4） UNIV WENZHOU.（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 cyclic carbonate by adding autoclave with, e.g. epoxy compound and lanthanum-modified graphene catalyst, stirring, dispersing, sealing, vacuumizing, replacing air with carbon dioxide, heating and dissolving in organic solvent.

WANG Q, ZHANG Y

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

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

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

Preparation of 2,3-dichloropyridine involves obtaining graphene-copper oxide composite catalyst, adding 2-chloro-3-aminopyridine and concentrated hydrochloric acid, cooling, adding solution of sodium nitrite, and further processing.

ZHANG L, SI N, ZHANG X, ZHOU Y, SHI L, ZHANG J

New anthraquinone-modified graphene quantum dot used for preparing lysine fluorescence detection reagent, and has good luminescent properties, water solubility and high selectivity.

CHENG R, DING Y, ZHANG L, ZOU R

Preparation of solid catalyst for synthesizing ethylene carbonate, involves mixing graphene oxide and dicyandiamide, and forming carbon nitride/graphene oxide composite by dipping, drying and baking.

LIU N, WANG J, YANG S, WU J, LI S, XUE B, LI Y

Preparation of catalyst used in catalytic hydrogenation of nitro aromatic compound e.g. nitrobenzene for preparing arylamine compound, involves mixing prepared nitrogen-doped graphene in divalent iron solution, drying and pyrolyzing.

WEI Z, HOU Y, XU Z

New aminoquinoline modified nitrogen doped graphene for preparing quantum dot for making histidine fluorescent detection reagent.

CHENG R, YU C, ZHANG L, QI L, GE C, DAI L