国家/地区 中国（2）
IPC部 B（3）
IPC大类 B41（3） C09（3）
IPC小类 B41M（3）
IPC B41M003/14（3）
发明人
公开年 2022（2）
申请年 2021（3）
专利权人

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

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