国家/地区 中国（2）
IPC部 C（2）
IPC大类 C08（2）
IPC小类 C08B（2）
IPC
发明人 ZHANG W（2）
公开年 2022（2）
申请年 2021（2） 
专利权人

Preparing sulfonated graphene oxide-chitosan composite material useful in antibacterial agent, comprises mixing formamide and chlorosulfonic acid, carrying out reaction, uniformly dispersing, washing and suction filtering, subjecting to dialysis treatment and freeze-drying.

YANG Y, CHENG C, WANG X, LU L, ZHANG W, HOU W

Removing hemp-flower leek polysaccharide pigment by three-dimensional porous amino graphene decoloring column, involves reacting graphene oxide solution and ethylene diamine, loading into chromatography, dissolving hemp flower leek polysaccharide crude substance, decoloring, freezing and drying.

FENG J, LAN X, ZHANG W, SHI S, WANG J