国家/地区 中国（4）
IPC部 B（4） C（4）
IPC大类 B32（4）
IPC小类 B32B（4）
IPC B32B027/36（4）
发明人
公开年 2023（4）
申请年 2022（4） 
专利权人

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

Producing food packaging barrier film used for consumers to clearly see content of packaged goods, involves providing base film, depositing inorganic laminated film on surface of base film, where inorganic laminated film includes at least one first and second inorganic material deposition layer.

CHEN C, TSAO C, LIAO T, LIAO T C, TSAO C C, CHEN C H, CHEN Z, CAO J, LIAO D

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

Preparing foam with gradient pore structure used in preparing heat-insulating and anti-icing material, involves mixing foaming agent, curing agent and water, under uniform stirring, and curing under vacuum condition, where foaming agent is polyurethane foaming agent.

YUAN X, SHENG L, ZHAN F