国家/地区 中国（4）
IPC部 B（4） C（4）
IPC大类 B01（4）
IPC小类 B01J（4） C07C（2） C07D（2）
IPC B01J023/72（4）
发明人 CHEN D（3）
公开年 2018（4）
申请年 2017（3） 
专利权人 DONGGUAN LIA.（3）

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

Adsorption of copper/zirconia spherical graphene material useful in N-methyl diethanolamine dehydrogenation catalysis comprises spherical graphite, zirconium oxide and copper nano particle.

CHEN D

Synthesis of disodium iminodiacetate by mixing copper salt solution with zirconium salt solution, sodium citrate solution and graphene oxide dispersion, reacting ethylene oxide and ammonia with catalyst, and reacting with sodium hydroxide.

CHEN D

Preparing cyclohexanone using cyclohexanol as raw material involves uniformly mixing and stirring graphite oxide and deionized water, and carrying out ultrasonic treatment to obtain sheet-like graphene oxide dispersion liquid.

CHEN D