国家/地区 韩国（5） 美国（4） 中国（2） 欧洲专利局（EPO）（2） 世界知识产权组织（2）
IPC部 B（5）
IPC大类 B01（5） C01（5） C23（2）
IPC小类 B01J（5）
IPC C01B031/04（5）
发明人 JUNG M（3） MOON J（3） PARK W（2）
RHO J（2） SEO B（2）
公开年 2013（2） 2014（2）
申请年 2013（3） 
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

Apparatus for manufacturing graphene comprises a first chamber for supplying a carbon source under a first condition, a second chamber for supplying a carbon source, and a feeder for continuously supplying a catalyst metal.

MOON J, CHOI M, JUNG M

Manufacture of graphene involves loading catalytic metal layer into chamber, applying tensile force to catalytic metal layer, supplying carbon source to chamber, applying tension, and forming graphene on catalytic metal layer.

MOON J, RHO J, PARK S, KIM T, HONG B, PARK W, JUNG M, KIM T H, ROH J

Making graphene powder useful in carbon-based electrical devices involves preparing graphene solution in which graphene particles are dispersed in a solvent; aggregating the particles; separating aggregated particles from solvent and drying.

LEE S, LEE D, SEO B, BYUN N

Manufacturing graphene used e.g. as base material for electronic circuits, by attaching support layer on graphene layer, removing catalyst metal layer, disposing substrate on graphene layer, and separating support layer from graphene layer.

MOON J, PARK W, JUNG M, RHO J, SEO B