国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3） C09K（2）
IPC C01B032/184（3）
发明人 MA J（2） ZHANG W（2）
公开年 2021（2）
申请年 2021（2） 
专利权人 UNIV SHAANXI SCI TECHNOLOGY（3）

Preparation of fluorescent anti-counterfeiting coating comprises drying, pulverizing leather waste, dispersing in ultrapure water, hydrothermal reacting, suction filtering, compounding with thickener and printing code on substrate.

LI L, MA J, SHI J, ZHANG W

Nitrogen-doped graphene quantum dot derived from nanomaterial-lignin useful in field of biological medicine, comprises nanomaterial lignin powder, yttrium oxide powder, alumina powder, and silicon nitride powder.

CHEN W, ZHAO Z, LOU R, LIU X, CHENG K, JIAO X

Preparing graphene quantum dot based on leather waste comprises crushing leather waste, adding distilled water and hydrazine hydrate, ultrasonically processing, hydrothermal reaction of dispersion liquid in PTFE reactor and filtering.

ZHANG W, MA J, WEI L, BAO Y, WANG Z