Global Patent Index - EP 2021096 A1

EP 2021096 A1 20090211 - USE OF TANNINS IN FILTERS

Title (en)

USE OF TANNINS IN FILTERS

Title (de)

VERWENDUNG VON GERBSTOFFEN IN FILTERN

Title (fr)

UTILISATION DE TANINS DANS DES FILTRES

Publication

EP 2021096 A1 20090211 (DE)

Application

EP 07712373 A 20070228

Priority

  • EP 2007051885 W 20070228
  • EP 06114063 A 20060517
  • EP 07712373 A 20070228

Abstract (en)

[origin: WO2007131812A1] The invention relates to the use of a tannin in or on filters, in particular consisting of natural or synthetic woven fibres or foams, for preventing infections, said filters forming in particular part of respirator masks or respirator equipment.

IPC 8 full level

B01D 39/00 (2006.01); A61K 9/70 (2006.01)

CPC (source: EP US)

A61K 9/7007 (2013.01 - EP US); B01D 39/00 (2013.01 - EP US)

Citation (search report)

See references of WO 2007131812A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

DOCDB simple family (publication)

WO 2007131812 A1 20071122; CN 101489641 A 20090722; CN 101489641 B 20130612; EP 2021096 A1 20090211; US 2009269378 A1 20091029

DOCDB simple family (application)

EP 2007051885 W 20070228; CN 200780026980 A 20070228; EP 07712373 A 20070228; US 30093507 A 20070228