国家/地区 中国（4）
IPC部 B（4）
IPC大类 B32（4）
IPC小类 B32B（4）
IPC B32B007/12（4）
发明人
公开年 2022（4）
申请年 2022（3） 
专利权人

Colored carbon-based electrochromic infrared emissivity film comprises carbon-based material film and covering coating and color coating sequentially covered on the carbon-based material film.

ZHOU Z, MA J, JI G, FENG G, TAN S

Preparing antibacterial aluminum foil material useful in aluminum foil lunch box, comprises e.g. coating adhesive on kraft paper, laminating with aluminum foil, drying, coating hydrophobic antibacterial agent on one side of aluminum foil layer, and drying.

SUN J, WANG L, SONG F, SUN Z

Preparing multi-layer plywood useful for sound insulation, comprises e.g. preparing sound insulation emulsion, preparing single plate using wood, performing sand grinding treatment to surface of single plate, and solidifying multi-layer sound insulation emulsion coated on surface of single plate.

XU W, WU S

Wave-absorbing material comprises a first skin, wave-absorbing honeycomb core layer, second skin and reflecting layer, surface of wave-absorbing honeycomb core layer is provided with coating and raw material of coating comprises resin.

HU H, WANG J, YIN S, PENG X, MING P