Global Patent Index - EP 2021096 A1

EP 2021096 A1 2009-02-11 - 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 (DE)

Application

EP 07712373 A

Priority

  • EP 2007051885 W
  • EP 06114063 A
  • EP 07712373 A

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 (invention and additional information)

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

CPC (invention and additional information)

B01D 39/00 (2013.01); A61K 9/7007 (2013.01)

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

EPO simple patent family

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

INPADOC legal status


2014-04-30 [18W] APPLICATION WITHDRAWN

- Effective date: 20140321

2012-08-08 [DAX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT (TO ANY COUNTRY) (DELETED)

2009-02-11 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20081217

2009-02-11 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): 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

2009-02-11 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: AL BA HR MK RS