国家/地区 韩国（5） 世界知识产权组织（2）
IPC部 C（4） H（2）
IPC大类 C01（4） H01（2）
IPC小类 C01B（4） H01L（2）
IPC C01B031/04（4）
发明人 KIM Y（2）
公开年 2016（5）
申请年 2014（2）  2015（2） 
专利权人 LG ELECTRONICS INC（5）

Graphene oxide used in heavy metal-absorbing composition and device e.g. water purifier, air mask and absorption filter used in heavy metal absorption, comprises oxygen-containing functional group containing preset amount of carboxyl group.

DOHEE K, CHANGHO L, HOBUM P, SEUNGJIN J

Doping method of graphene for manufacturing graphene composite electrode and graphene structure, involves forming precursor polymer layer for doping on substrate, and positioning graphene on substrate.

MOON J, PARK W, PARK S, JO I, HONG B, SAN MOON J, SU C I, BAE P W, BEOM P S, HUI H B, ZHENSHAN W, WONBAE P, SUBEOM P, INSU J, BYUNGHEE H

Method for producing metal chalcogenide thin film on flexible substrate, involves supplying transition metal precursor and chalcogen-containing gas onto graphene formed on substrate, so as to form metal chalcogenide thin film.

CHOI M, LEE C, KIM Y

Graphene oxide composition used for preparing lithium-doped graphene, comprises graphene oxide, lithium and polar organic solvent.

HAM M H, KIM I H, SEO H, JANG J, KI H

Manufacturing graphene sheet involves heating graphene oxide to obtain graphene oxide solution, processing graphene oxide solution, and then pressing the processed graphene oxide solution.

KIM Y, LEE S, RHO J