国家/地区 中国（3） 世界知识产权组织（2）
IPC部 B（4）
IPC大类 B41（4）
IPC小类 B41M（4） C09D（4）
IPC C09D011/50（4）
发明人
公开年 2022（3）
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 for security printing, and used in manufacture of security indicia, comprises dielectric matrix having hydroxyl group, graphene quantum dots dispersed in dielectric matrix, and graphene quantum dot composite having afterglow properties emitting phosphorescence at room temperature.

JEON S, PARK M, WOO J, PARK M S

Color printing process for carton, involves curing printed hot-pressed groove, curing, chemically treating to form basic anti-counterfeiting printing pattern, printing middle layer on pattern, curing, coating protective layer on patterned middle layer, molding outer protective layer on middle-layer.

ZHOU Y, YANG W

Ink formulation used for forming image on article e.g. thermoplastic article, comprises graphene-based component, color change agent, binder and solvent.

JARVIS A, WALKER M, OROURKE A