Global Patent Index - EP 4139517 A1

EP 4139517 A1 20230301 - COATED AND VARNISHED MEMBRANE COMPRISING SILVER, METHOD FOR THE PRODUCTION THEREOF AND USE THEREOF AS A VIRUCIDE

Title (en)

COATED AND VARNISHED MEMBRANE COMPRISING SILVER, METHOD FOR THE PRODUCTION THEREOF AND USE THEREOF AS A VIRUCIDE

Title (de)

BESCHICHTETE UND LACKIERTE SILBERHALTIGE MEMBRAN, VERFAHREN ZU IHRER HERSTELLUNG UND IHRE VERWENDUNG ALS VIRUCID

Title (fr)

MEMBRANE REVÊTUE ET VERNIE COMPRENANT DE L'ARGENT, SON PROCÉDÉ DE FABRICATION ET SON UTILISATION EN TANT QUE VIRUCIDE

Publication

EP 4139517 A1 20230301 (FR)

Application

EP 21731229 A 20210423

Priority

  • FR 2004133 A 20200424
  • FR 2021050715 W 20210423

Abstract (en)

[origin: WO2021214422A1] The invention relates to a coated and varnished membrane (1, 10), said membrane comprising at least one fabric (2) having at least one face coated with at least one layer of polyvinyl chloride (31, 32), and at least one varnish film (41, 42) on said coated surface of the membrane, said varnish film (42) comprising a polymeric binder and silver (4) in the form of a silver element having a size of less than 250 nm. The invention also relates to a method for producing a membrane (1) according to the invention. The invention further relates to a use of a membrane (1) according to the invention as a virucide. Figure for the abstract: FIGURE 115

IPC 8 full level

D06N 3/18 (2006.01); B32B 5/22 (2006.01); B32B 27/12 (2006.01); B32B 33/00 (2006.01); D06M 11/83 (2006.01); D06M 15/248 (2006.01); D06M 16/00 (2006.01); D06M 23/08 (2006.01); D06N 3/00 (2006.01); D06N 3/04 (2006.01); D06N 3/06 (2006.01); D06N 3/12 (2006.01)

CPC (source: EP US)

B29D 99/005 (2013.01 - EP); D06M 11/83 (2013.01 - EP); D06M 15/248 (2013.01 - EP); D06M 16/00 (2013.01 - EP); D06M 23/08 (2013.01 - EP); D06N 3/0063 (2013.01 - US); D06N 3/06 (2013.01 - EP US); D06N 3/183 (2013.01 - EP US); D06N 2203/048 (2013.01 - EP); D06N 2205/023 (2013.01 - US); D06N 2205/103 (2013.01 - EP US); D06N 2209/1671 (2013.01 - EP US); D06N 2211/14 (2013.01 - EP)

Citation (search report)

See references of WO 2021214422A1

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)

FR 3109591 A1 20211029; FR 3109591 B1 20230331; CN 115443357 A 20221206; EP 4139517 A1 20230301; US 2023151539 A1 20230518; WO 2021214422 A1 20211028

DOCDB simple family (application)

FR 2004133 A 20200424; CN 202180030704 A 20210423; EP 21731229 A 20210423; FR 2021050715 W 20210423; US 202117920563 A 20210423