国家/地区 中国（2）
IPC部 B（3）
IPC大类 B41（3） C09（3）
IPC小类 B41M（3）
IPC B41M005/00（3）
发明人 ZHANG Y（3）
公开年 2021（2）
申请年 2021（2） 
专利权人

Time-sensitive fluorescent anti-counterfeiting material used in distinguishing and protecting product as anti-counterfeiting material, comprises aggregation color-changing fluorescence material, sublimable dispersion matrix and solvent.

WU Y, FENG L, CUI C, ZHANG Y

Ink composition useful in a device including a photodetector, comprises graphene quantum dot nanosurfactant, printable material, and solvent, where printable material is dispersed in solvent by graphene quantum dot nanosurfactant.

ZENG M, ZHANG Y

Cigarette packaging box printing process used for improving yield of printing includes installing designed and manufactured image printing plates on printing press, applying hot pressing film, imprinting pattern and cutting.

ZHANG Y