国家/地区 中国（5）
IPC部 B（5）
IPC大类 B32（5）
IPC小类 B32B（5）
IPC B32B033/00（5）
发明人
公开年 2023（5）
申请年 2022（3） 
专利权人

Production process of solarization-resistant wine packaging box comprises molding injection-molded plastic wine packaging box for polishing, coating ultraviolet resistance coating, drying, treating, and subjecting plastic wine packaging box for ultraviolet laser printing trademark pattern.

WANG H, MA X

Light control valve useful in dimming glass assembly, comprises e.g. first transparent substrate, first transparent electrode, second transparent substrate and second transparent electrode arranged oppositely, and light control layer arranged between first and second electrode.

LIANG B, ZHANG Y, XIAO S, ZHANG D, ZHAO S, LI Y

High-transparent and high-strength polyethylene heat-shrinkable film useful for packaging bottle-packed beverage, comprises e.g. first layer (comprised of low-density and metallocene polyethylene), second layer, third layer and fourth layer (comprised of high density polyethylene).

LIU Z, LI R, LIU S

High ductility and high temperature resistant composite food packaging film useful for food packaging or food preserving, comprises modified composite film layer which is base modified film layer, maleic anhydride graft polyethylene resin film middle layer and polyethylene outer film layer.

CHEN C

Photovoltaic backboard used in photovoltaic module, comprises weather-resistant layer, base material layer, black reflecting layer comprising organic pigment, and barrier layer comprising high barrier composition containing polymer resin, nano material and additive.

ZHOU G, LIN W, LI N