国家/地区
IPC部 A（2）
IPC大类 A62（2）
IPC小类 A62B（2）
IPC A62B023/02（2）
发明人
公开年 2022（2）
申请年 2020（2）
专利权人

Preparing inorganic aerogel composite material, comprises homogeneously mixing aerogel, skeleton fibers, diatomite and vermiculite, gelling and aging to obtain gel, adding ethanol as medium, and supercritical drying.

YAO W, SHUI Y, LI T

Transparent nano air circulation ventilation structure integrated filter-removable functional mask, has mask body formed with multi nano-sized micro-holes, and filter removal groove formed on side of mask body.

JO S J, HWANG J S