国家/地区 欧洲专利局（EPO）（12）
IPC部 B（12）
IPC大类 B01（12） C01（11） H01（7）
B82（4） C02（2） C08（2）
G01（2） H05（2）
IPC小类 B01J（12）
IPC C01B031/04（11） C01B031/02（8） B82Y040/00（4）
C01B032/182（4） B82B003/00（3） C01B032/184（3）
C01B032/194（3） C01B032/196（3） B01J003/00（2）
B01J019/12（2） B01J019/24（2） B01J020/02（2）
B01J023/755（2） B82Y030/00（2） C01B000/00（2）
发明人 DO S（2） DO S H（2） DO SEUNG H（2）
JEON S（2） JEON S Y（2） KONG J（2）
KONG J H（2） LEE J（2） LEE J S（2）
公开年 2015（8） 2014（3）
申请年 2014（12）
专利权人 HANWHA CHEM .（2）

Solid-phase extraction column used in pre-treatment of chemical sample, comprises monolayered graphene or multi-layered graphene, or modified graphene as solid-phase extraction agent filled within separation column.

ZHANG M, ZHANG L

Manufacture of monocrystal graphene film for semiconductor device, involves forming polycrystalline graphene on substrate using hydrocarbon gas, growing graphene film, forming catalyst, heating and recrystallizing.

HWANG C, HWANG C Y

Photocatalyst useful for electrolysis of water to convert water to hydrogen and oxygen comprises conductive material having graphene nanostructures attached to surface of photoactive metal oxide semiconductor including e.g. cerium oxide.

SALEH M, WAHAB A K, IDRISS H, GAMBAROTTA S

Reducing amount of in aqueous mixture to produce liquid depleted in solutes involves contacting first face of graphene oxide laminate membrane with aqueous mixture, and recovering liquid from or downstream from second face of membrane.

RAVEENDRANNAIR R, JOSHI R K, GEIM A

Graphite-type carbon raw material used as graphene precursor, has rhombohedral system graphite layer and hexagonal system graphite layer in ratio more than preset value, as measured using peak intensities specific planes of layers.

HASEGAWA S, KAMIYA N, SHOJI H, NAGISA K, HASEGAWA SHOJI, KAMIYA NAGISA, SHEN Y

Purifying graphene nanoribbons, involves contacting composition comprising graphene nanoribbons and contaminants with liquid medium comprising dispersant, and dispersing nanoribbons in liquid medium and subjecting the dispersion.

HINTERMANN T, SCHWAB M G, CHA K C, WEITZ T, SCHAEFER A, MUELLER I B, WEITZE T, SCHWAB M G S, CHA K C P

Modification of graphene involves obtaining graphene having desired crystal size by repeating graphene modification process several times with subcritical or supercritical carbon dioxide.

DO S H, LEE J S, JEON S Y, KONG J H, DO SEUNG H, DO S, LEE J, JEON S, KONG J

Graphene comprises oxygen atom content in predetermined range, and has carbon/oxygen weight ratio of predetermined range.

LEE J S, DO S H, JEON S Y, KONG J H, DO SEUNG H, LEE J, DO S, JEON S, KONG J

Electron microscopy support, useful for receiving biological sample e.g. serum, plasma and saliva, comprises support member, and partially hydrogenated graphene attached to member, where member is attached to support film.

RUSSO C J, PASSMORE L A, RUSSO C, PASSMORE L

Manufacture of flaky graphite used for forming flaky graphite-resin composite, involves immersing carbon material having graphene laminated structure in liquid, irradiating electromagnetic waves, heating and slicing carbon material.

INUI N