国家/地区 中国（5）
IPC部 B（5）
IPC大类 C01（5） C04（5） B82（3）
B01（2） B29（2） B33（2）
C08（2） C09（2） C10（2）
H01（2） H05（2）
IPC小类 C01B（5）
IPC C01B032/15（5）
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（3）
申请年 2014（2） 
专利权人 GRAPHENE PLA.（2） GRAPHENE PLA.（2）

Preparing carbon-magnesium oxide nano composite powder useful in preparing refractory material comprises using raw material magnesium citrate, which is prepared by low-temperature pretreatment and medium temperature sintering successively.

XIAO G, LUO J, DING D, ZHONG X

Fabricating graphene ceramic nano-composite material filter for cigarette tobacco smoke, comprises e.g. washing ceramic material with acid, annealing ceramic particles, coating with a carbon precursor, and carbonizing the carbon precursor.

PURNENDU, VIVEK SINGHAL A, VIVEK S A, SINGHAL A V

Formation of graphene scroll for synthesizing graphene article, involves annealing catalyst substrate in hydrogen gas, exposing substrate to reaction gas mixture, detaching substrate from graphene and consolidating synthesized graphene.

VLASSIOUK I V, IVANOV I N, DATSKOS P G

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