国家/地区 美国（17） 世界知识产权组织（16） 中国（15） 欧洲专利局（EPO）（13） 日本（11） 韩国（9） 加拿大（3） 印度（3） 台湾（3） 澳大利亚（2） 新加坡（2）
IPC部 B（21）
IPC大类 B82（21）
IPC小类 C01B（21）
IPC C01B032/194（21）
发明人 DU G（2） PENG Y（2）
公开年 2015（10） 2014（8） 2016（3）
申请年 2014（21）
专利权人 PENGTAN TECH.（2）

Method of purification of three-dimensional graphene-coated single particle nanodiamond material, involves performing acidification of mixture having three-dimensional graphene-coated single particle nanodiamond using acidic solution.

DU G, PENG Y

Method of purification of three-dimensional graphene-coated single particle nanodiamond material, involves acidifying mixture containing three-dimensional graphene-coated single particle nanodiamond using diluted hydrochloric acid.

DU G, PENG Y

Separating carbon structure including e.g. graphene and carbon nanotube deposited on seed structure, comprises e.g. providing carbon structure into processing chamber, heating carbon structure and seed structure, and supplying etching gas.

MATHARU J, THOMAS S, TEO K B K, JOUVRAY A, JOUBEUREI A, MATARU J, TOMASEU S

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

Repairing reduced graphene oxide comprises e.g. reacting graphene oxide with Lewis acid and methyl containing compound, refluxing, adding Lewis acid and repair agent, reacting, mixing with metal powder catalyst, reacting and annealing.

ZHANG M, ZHANG L

A graphene composition comprises graphene, acid, oxidizing agent and specific nitrogenous organic compound.

KWON Y D, KIM K S, KIM K, KWON Y

Production of graphene involves forming liquid dispersion comprising dispersing agent, and carbon-based material comprising de-oxidized graphite, and continuously passing liquid dispersion through high-pressure homogenizer.

YOO K H, SOHN K N, KWON W J, LEE K S, YOO K, SOHN K, KWON W, LEE K

Method for preparing graphene based composition, comprises subjecting composition containing water and graphene precursor to mechanical and chemical treatment for forming graphene and separating graphene.

BOHM S, WEIJDE D H V D

Preparation of large-piece graphene for e.g. electronic material involves performing layer inserting treatment on graphite powder under mild condition and presence of acid and oxidizing agent, and washing with dilute hydrochloric acid.

BAI Y, HU X, SHA X, SHA Y

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