国家/地区 韩国（14） 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（14）
IPC大类 B01（14） C01（14） C23（2）
IPC小类 B01J（14）
IPC C01B031/02（13） B01J019/18（6） C01B031/04（5）
B01J019/08（4） B01J019/10（2） B01J019/24（2）
C01B031/00（2） C23C016/26（2）
发明人 MOON J（9） JUNG M（8） SEO B（7）
PARK W（5） RHO J（5） BYUN N（4）
LEE D（4） LEE S（4） CHOI M（3）
KIM T（3）
公开年 2013（8） 2014（5）
申请年 2012（7）  2013（5） 
专利权人 LG ELECTRONICS INC（14）

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

Device useful for producing graphene, comprises a chamber loaded with catalytic metal, having gas inlet and outlet, and a thermal expansion compensating unit to compensate difference of thermal expansion of graphene and catalytic metal.

MOON J, KIM T, CHOI M, JUNG M

Apparatus useful for manufacturing graphene, comprises source decomposition unit to decompose carbon source set on one side of a forming chamber, and a feeding unit to supply catalyst metal via source decomposition unit and forming chamber.

MOON J, KIM T, CHOI M, JUNG M

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

Manufacturing graphene oxide, comprises preparing a dispersion of graphite oxide, removing the graphite oxide from the dispersion of graphite oxide, and then performing an oxidation of graphite oxide to graphene.

BYUN N, LEE D, LEE S

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

Manufacture of graphene powder involves drying graphene oxide solution, and reducing obtained graphene oxide powder using vaporized reducing agent.

LEE D, LEE S, SEO B, BYUN N

Manufacture of graphene oxide powder involves spraying graphene oxide solution and drying sprayed solution.

LEE D, LEE S, SEO B, BYUN N

Device used for manufacture of graphene, has chamber having inlet portion, and exhaust portion, substrate positioned within chamber and heating unit.

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