国家/地区 美国（16） 世界知识产权组织（13） 中国（11） 韩国（9） 欧洲专利局（EPO）（7） 日本（5） 澳大利亚（3） 加拿大（2）
IPC部 B（18）
IPC大类 C01（18） B82（14） B01（5）
B32（5） H01（5） B41（3）
C09（3） C25（3） B05（2）
IPC小类 C01B（18）
IPC C01B032/194（18）
发明人 LI D（2） NA D（2） NA D H（2）
YOON J（2） YOON J H（2）
公开年 2014（18）
申请年 2014（10）  2013（6）  2012（2） 
专利权人 HANWHA AEROS.（3） HANWHA TECHW.（3） SAMSUNG TECH.（3） UNIV MONASH（2）

Separating graphene used for e.g. semiconductor device, comprises providing container including graphite particle, graphene and solvent, separating graphite particles from container using magnetic field, and discharging solvent from outlet.

KITAURA H, NISHIKI N, NISHIKAWA K, NAKAYA K, TANAKA A, NAKATANI K, NISHIGI N, TANAGA A

Etching graphene nanostructure, involves providing piece of highly oriented pyrolytic graphite, depositing DNA sample on graphite, placing in humidity controlled chamber, applying relative humidity, and applying electrical voltage.

DARLING M J

Synthesis of nanoporous graphene and photo luminescent graphene quantum dots used for e.g. gas separation, involves preparing mixture by dispersing graphene in hydrogen peroxide, filtering mixture, drying residue and dialyzing filtrate.

KURUNGOT S, PALANISELVAM T, PLANISELVAM T, THANGAVELU P

Manufacture of graphene quantum dots used for road stickers, road signs, coatings, clothing, paints and photographic processing materials, involves exposing carbon source chosen from coal and coke to oxidant.

TOUR J M, YE R, XIANG C, LIN J, PENG Z, HAYASHI K, CERIOTTI G

Hydrogen treated graphene surface having specified band gap and hole mobility.

HONG J I, SON J Y, HONG J, SON J, SUN Z

Method for forming nanopore in graphene membrane in liquid environment, involves applying nanopore diameter tuning voltage pulse between membrane surfaces if electrical conductance is greater than prespecified electrical conductance.

GOLOVCHENKO J A, LU B, KUAN A T, GOLOVCHENKO J, KUAN A

Making graphene oxide or flakes, comprises placing graphite into water containing oxidizing agent, mechanically exfoliating graphite into graphene flakes, and separating graphene flakes from water.

BLAIR R

Dispersion of nanoparticles of graphene in water in presence of surfactant, used for treating articles of manufacture, and used as additive or component of elastomeric compositions or of paints or of textile articles.

CESAREO G, PARRINI M R, RIZZI L G, PARRINI R

Preparation of graphene-based film used for device, involves forming layered structure by providing graphene-based film comprising sheets of graphene, graphene oxide and partially reduced graphene oxide.

LI D, YANG X

Multi-layer graphene structure preparation involves spin coating polymethyl methacrylate film, using chemical corrosion liquid for layer etching, and adhering target graphene to new substrate.

CHEN X, LIU Z, TIAN J