国家/地区 中国（2）
IPC部 A（3） B（3）
IPC大类 A23（3）
IPC小类 A23L（3）
IPC
发明人
公开年 2021（3）
申请年 2020（3） 
专利权人

Filtering device for filtering fluid containing dissolved and optionally colloidal substances, and further impurities like bacteria and/or virus, comprises first filter unit serving to remove substances in first filtering step.

MAZZOCATO L

Preparing olive kernel extract useful for effectively removing oxygen free radicals in body, involves performing pretreatment and extraction using isopropanol-water mixed solution, as extractant.

ZHANG Y

High-voltage electric auxiliary photocatalytic purification module comprises photocatalyst, electrically insulating porous medium, ultraviolet lamp group, high-voltage power supply and pair of discharge electrodes.

SUN R, SUN S, GAO S, CHEN F, HAN R, CHENG J