国家/地区 欧洲专利局（EPO）（5） 日本（5） 美国（5） 世界知识产权组织（5） 中国（4） 韩国（4） 澳大利亚（2） 加拿大（2）
IPC部 C（7）
IPC大类 C01（7）
IPC小类 C01B（7）
IPC C01B032/23（7）
发明人
公开年 2016（2） 2022（2）
申请年 2015（2）  2020（2） 
专利权人

System to produce paraffin-based phase change material composite material for latent heat storage system for thermal energy, comprises two chambers to prepare two separate solutions, each graphite powder and sodium nitrate in sulfuric acid.

Additive used for depressing pour point of waxy crude oils, comprises ionic liquid comprising 1-chlorooctane and 1-methylimidazole and vinyl graphene oxide, where ionic liquid is polymerized with vinyl graphene oxide to form nano-composite poly(1-octyl-3-methyl imidazolium chloride)-graphene oxide.

SHARMA R, DEKA B, MAHTO V

Water-based wellbore fluid comprises aqueous base fluid and modified graphene shale inhibitor that comprises one or more substituents that are covalently bonded to graphene via linking group, one or more substituents is hydrocarbon group.

SALEH T A, ALARFAJ M K, RANA A A

Concentrating stabilized solution of graphene oxide having continuous phase, comprises adding absorbent material to solution, and absorbing portion of the phase with material to form solution having higher graphene oxide concentration.

MAJUMDER M, AKBARIVAKILABADI A

Manufacture of graphene oxide involves contacting one end face of carbon-based three-dimensional material electrode(s) in parallel with electrolyte solution, electrolyzing, electrochemically-oxidizing, and cutting graphite sheet layers.

XU H, ZHOU Q

Manufacture of modified graphene-like carbon material used for resin compound material, involves reacting graphene-like carbon material and hydrogen peroxide and introducing hydroxyl group into graphene-like carbon material.

WADA T, TSUBOKAWA N, TAKUYA W

Synthesizing graphene comprises refluxing reaction mixture of solvent e.g. water and carbonaceous material promoting polycyclic aromatic hydrocarbon formation, collecting and directing obtained vapors to substrate and recovering graphene.

SHANKMAN R S, HANKMAN R S