国家/地区 中国（4） 世界知识产权组织（3） 欧洲专利局（EPO）（2） 韩国（2） 美国（2）
IPC部 B（5）
IPC大类 C01（5）
IPC小类 C01B（5）
IPC C01B032/198（5）
发明人
公开年 2021（2）
申请年 2021（2） 
专利权人

Synthesizing caprolactam comprises using catalyst to catalyze reaction raw material comprising cyclohexanone oxime to carry out Beckmann gas-phase rearrangement reaction to obtain caprolactam.

GUO Y, HAN M, DAI Y, KONG M, XU L, DING K, GUO H, WANG G

Porphyrin phthalocyanine covalent bifunctional graphene nonlinear nano-hybrid material prepared by e.g. bonding porphyrin and phthalocyanine to surface of graphene through radical addition reaction, adding n-hexyl mercaptan and reacting with monoaminoporphyrin and isoamyl nitrite.

WU C, FU L, ZHANG C

Preparation of organic-organic composite carbonaceous nanoplate used for graphene oxide, involves dissolving glucose and aromatic compound containing hydroxyl group, and hydrogen can be optionally substituted with amino group, carboxyl group, or alkyl, and heating aqueous solution.

LEE H H, KIM Y H, SONG H L, LEE J H, HO L J

Graphene compound for barrier element and clear packaging for product comprises optionally functionalized graphene directly bonded to nitrogen-containing compound.

ZHENG S

Producing aerogel or xerogel comprising graphene, graphene oxide or its mixture involves dispersing graphene, graphene oxide or its mixture in solvent compatible to it, and cross-linking the graphene, graphene oxide or its mixture.

GALLASTEGUI A G, SHAFFER M, ALYOUBI A O, ASIRI A M, SCHAEFFER M