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