国家/地区 中国（20） 美国（9） 世界知识产权组织（4） 澳大利亚（3） 日本（3） 韩国（3） 加拿大（2） 欧洲专利局（EPO）（2） 香港（2） 以色列（2） 墨西哥（2） 新加坡（2） 台湾（2） 南非（2）
IPC部 C（27）
IPC大类 C01（27）
IPC小类 C01B（27）
IPC C01B032/184（27）
发明人 LI S（4） GAO Z（3） LI Z（3）
ATKINS C A（2） JIANG X（2） LINDEMANN G W（2）
TARGETT M（2） WANG Y（2） YAN Y（2）
公开年 2021（9） 2017（4） 2019（4） 2020（3） 2018（2） 2023（2）
申请年 2019（8）  2020（5）  2021（4）  2017（3）  2018（2） 
专利权人 CARBON HOLDI.（2） GUANGZHOU SH.（2）

Low-molecular-weight lignin derivative useful for producing carbon fiber, activated carbon, biochar, artificial graphite and graphene material containing anode material, and hybrid silicon carbide, comprises phenyl-based repeating unit.

CHOI J W

Method for preparing pore-rich thin layer graphene, involves pre-treatment of oil raw material using catalytic oil slurry or residual oil through delayed coking treatment to obtain coking liquid product as pre-processing raw material oil.

ZHANG R, XU Q, BI Q, WANG X, LIU Y, WANG L, WU M, HE S, ZHAO Q, ZHANG H

Producing graphene or carbon fiber involves extracting coal sample from location, performing spectral analysis on coal sample to detect hydrogen to carbon ratio of coal sample, concentration of contaminant in coal sample.

TARGETT M, LINDEMANN G W, ATKINS C A

Device for preparing graphene and hydrogen by using joule heat conversion waste plastic, comprises gas pressure control unit fixed on pressure-resistant gas collecting pipeline, and air inlet pipeline fixed in airtight reaction cavity.

YAN Y, WANG Y

Method of producing high conductivity carbon material from coal, involves subjecting coal to dissolution process to produce solubilized coal material and subjecting solubilized coal material to pyrolysis process.

GAMLIEL D P, LANG C M, HERB J T, SONG M K, PREDA D V

Accelerant for generating gas hydrate, comprises three-dimensional graphene macro powder and deionized water.

YAN S, WANG N, ZHANG W, GE W, LI B

Preparation of naturally doped silicon, magnesium and calcium graphene nanosheets from paper waste, by soaking shredded flakes of waste paper into distilled water, rinsing gently obtained dense slurry, and performing slow pyrolysis.

PANDEY S, KARAKOTI M, DHALI S, TEWARI C, SAHOO N G

Producing engine oil additives comprises separately grinding graphene material and white carbon black, sieving, mixing graphene powder and white carbon black powder, and dissolving in base oil.

LI Z, LI S, GAO Z

Graphene product production line comprises cutting processing area provided with vacuum absorbing mechanical hand for picking graphene finished product and additive mixer set below vertical direction of grinder.

LI Z, LI S, GAO Z

Producing reduced graphene oxide from coal by thermally processing coal, oxidizing thermally processed coal to form coal oxide, and forming reduced graphene oxide comprising impurity atoms from coal oxide.

ATKINS C A, LINDEMANN G W, TARGETT M