国家/地区 中国（2） 韩国（2） 美国（2）
IPC部 C（3）
IPC大类 C04（3）
IPC小类 C04B（3）
IPC C04B041/00（3）
发明人
公开年 2022（3）
申请年 2021（3） 
专利权人

Ceramic nanofiltration membrane comprises graphene oxide and polyethyleneimine are alternately coated on surface of ceramic nanofiltration membrane, where graphene oxide and polyethyleneimine allow carboxyl group and amine group to form covalent bond.

KOOK H, CHA M, KIM S, LEE M, PARK C, PARK C H, LEEMINJOO, KIM S Y

Tantalum carbide-coated carbon material for e.g., LED manufacturing equipment, comprises a carbon substrate, and a tantalum carbide coating layer formed on the carbon substrate.

JO D W, CAO D, WAN J, CHO D W

Method for repairing ultra-early strength and high bonding concrete of graphene or graphene oxide used in building, involves covering insulating material to reach curing age, and finishing repairing of concrete surface.

CHEN J, CHEN H, WANG A, YANG F