国家/地区 中国（5）
IPC部 C（5）
IPC大类 C09（5）
IPC小类 C09D（5）
IPC C09D007/61（5）
发明人
公开年 2021（3）
申请年 2021（3） 
专利权人

Composition useful for preparing light-shielding film of smartphone camera module as spacer, washer and coating solution comprises carbon-based particles, thermosetting binder resins, dispersants, polymer beads and solvents.

PARK S C, YUN J H, KIM Y S, KIM Y, PIAO S

Preparing high-elasticity polyvinyl chloride reflective film for road mark, truck body identification, clothes with warning function, involves coating first modified resin layer and arranging on one side of polyvinyl chloride film to obtain bead-planting layer.

XU W

Light emitting diode nano-black coating comprises resin coating and nano-black particles dispersed in resin coating.

HUANG Y

Long-period fiber grating sensor based on graphene oxide/cellulose acetate functionalization useful in sensing system for measuring concentration of ammonia gas, comprises long period grating probe connected to input fiber.

DING L, ZHANG H, XU B, HUANG J

Lens comprise base layer, antireflection film layer arranged on outer side of base layer, nano-protective film layer arranged on antireflection film layer, high-efficiency wear-resistant film layer and waterproof anti-fog film layer.

XIE G