国家/地区 欧洲专利局（EPO）（6）
IPC部 A（6）
IPC大类 B01（6） A41（4） A62（4）
D01（2） D06（2）
IPC小类 B01D（6）
IPC A41D013/11（4） A62B023/02（4） B01D039/16（3）
B01D039/20（3） A41D031/30（2） B01D039/08（2）
B01D069/12（2） B01D071/34（2） D06M011/74（2）
发明人 CESAREO G G（2） RIZZI L G（2）
公开年 2021（4） 2022（2）
申请年 2021（6）
专利权人 DIRECTA PLUS.（2）

Mop cleaning bucket for rinsing and de-drying clean water by circulating and filtering sewage, has water column for drawing water from water purification area to clean mop cloth to form sewage that flows to water outlet through inclined surface.

WU C

Filter material, useful in face mask and/or respirator, comprises electrospun nanofiber membrane and active nanomaterial agent incorporated into the membrane, where the membrane filters disease-causing agents.

HASAN S W, MAVUKKANDY M

Textile article, useful in a filter for personal health protection, comprises a textile substrate having specific bacterial filtration efficiency, where the textile article comprises graphene dispersed in a polymeric binder.

CESAREO G G, RIZZI L G

Increasing an electrical and/or thermal conductivity, as well as filtering power and germ-blocking properties of textile article by preparing impregnation composition consisting of graphene, polymeric binder and wetting agent, and stirring.

CESAREO G G, RIZZI L G

Air purifying device for separating materials from air flow, has collector plates arranged downstream of set of ionization needles, where device generates ionization corona discharge by positive ionization voltage led to needles.

TULKKI J, JUHANI T, SKOGSTER N, MAKKONEN P

Electrospun polymer nanofibrous membrane having high filtration efficiency comprises polyvinylidene fluoride, Tecophilic thermoplastic polyurethanes, or blend of polyvinylidene fluoride and Tecophilic thermoplastic polyurethanes.

SOLIMAN S, GUO F