国家/地区 波兰（4）
IPC部 C（4） B（2） H（2）
IPC大类 C01（4） B29（2） B33（2）
C04（2） C08（2） C09（2）
C10（2） H01（2） H05（2）
IPC小类 C01B（4）
IPC C01B031/02（4）
发明人 HASEGAWA S（2） HASEGAWA SHOJI（2） KAMIYA N（2）
KAMIYA NAGISA（2） NAGISA K（2） SHEN Y（2）
SHOJI H（2）
公开年 2015（4）
申请年 2015（3） 
专利权人 GRAPHENE PLA.（2） GRAPHENE PLA.（2） MATERIALOW E.（2）

Transferring graphene film from source substrate onto target substrate involves marking selected region of graphene film on source substrate with waterproof binder to form closed frame around selected region.

KRAJEWSKA A, PASTERNAK I, STRUPINSKI W

Producing flake graphene by direct exfoliation of graphite involves preparing an aqueous suspension of graphite with addition of surface active agents or surfactants, freezing the suspension, and drying the suspension.

AKSIENIONEK M, CENDROWSKI S, LEPECKI M, LIPINSKA L, MARCJANIUK A, WOLUNTARSKI M, WILINSKI Z

Graphite-based carbon material used as graphene precursor for preparing graphene dispersion, comprises rhombohedral graphite layer and hexagonal graphite layer, and has specified rate calculated based on X-ray diffraction method.

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

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