Global Patent Index - EP 4243956 A1

EP 4243956 A1 20230920 - POLYANIONIC ANTIVIRAL FILTER

Title (en)

POLYANIONIC ANTIVIRAL FILTER

Title (de)

POLYANIONISCHER ANTIVIRALER FILTER

Title (fr)

FILTRE ANTIVIRAL POLYANIONIQUE

Publication

EP 4243956 A1 20230920 (EN)

Application

EP 21820692 A 20211112

Priority

  • IT 202000027077 A 20201112
  • IB 2021060487 W 20211112

Abstract (en)

[origin: WO2022101836A1] Polyanionic filters are described for the hygienisation of enclosed spaces, for use in air conditioning splits and air purifiers, or as materials for protective masks. The filters of the invention, which are installed in air conditioners and/or purifiers, provide effective air sanitation by retaining viruses through a specific electrostatic interaction with the viral particles.

IPC 8 full level

B01D 39/08 (2006.01); A41D 13/11 (2006.01); A62B 23/02 (2006.01); B01D 39/16 (2006.01); B60H 1/00 (2006.01); B63J 2/02 (2006.01)

CPC (source: EP)

B01D 39/083 (2013.01); B01D 39/1615 (2013.01); B01D 39/1623 (2013.01); B60H 3/0608 (2013.01); A62B 23/025 (2013.01); B01D 2239/0414 (2013.01)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

WO 2022101836 A1 20220519; EP 4243956 A1 20230920; IT 202000027077 A1 20220512

DOCDB simple family (application)

IB 2021060487 W 20211112; EP 21820692 A 20211112; IT 202000027077 A 20201112