国家/地区 法国（3）
IPC部 B（3）
IPC大类 B82（3） C01（3）
IPC小类 B82B（3）
IPC B82B003/00（3） C01B031/02（2） C01B031/04（2）
发明人 BEGIN D（3）
公开年 2011（2）
申请年 2009（2） 
专利权人 CENT NAT REC.（3） UNIV STRASBO.（2）

Preparing dispersion of graphene particles/sheets in liquid medium comprises providing bar/block of solid material made of graphite, rubbing material on substrate surface and dipping substrate in medium and subjecting medium to ultrasound.

JANOWSKA I, BEGIN D, CHIZARI K, ERSEN O, BERNHARDT P, ROMERO T, LEDOUX M, PHAMHUU CUONG, PHAM H C, PHAMHUU C

Making dispersion of graphene particles or sheets comprises providing block of solid material made of graphite, scraping material surface of substrate and dipping substrate in liquid medium and subjecting liquid medium to ultrasound.

JANOWSKA I, BEGIN D, CHIZARI K, ERSEN O, BERNHARDT P, ROMERO T, LEDOUX M, PHAM H C

Preparing dispersion of graphene particles or flakes, useful e.g. in electronics, comprises supplying a carbon-based material, dispersing the material in an aqueous liquid, heating the dispersion and separating the graphene dispersion.

BEGIN D, ERSEN O, JANOWSKA I, LEDOUX M J, PHAM H C