(19)
(11) EP 1 149 620 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
25.03.2009 Bulletin 2009/13

(45) Mention of the grant of the patent:
12.11.2008 Bulletin 2008/46

(21) Application number: 01110314.0

(22) Date of filing: 26.04.2001
(51) International Patent Classification (IPC): 
B01D 46/10(2006.01)
B01D 53/04(2006.01)
 B01D 46/52(2006.01)

(54)

Production method of a filter medium

Verfahren zur Herstellung eines Filtermediums

Procédè pour la préparation d'un milieu filtrant

(84) Designated Contracting States:
DE FR GB

(30) Priority: 28.04.2000 JP 2000131128
27.09.2000 JP 2000294734

(43) Date of publication of application:
31.10.2001 Bulletin 2001/44

(73) Proprietor: Toyoda Boshoku Corporation
Kariya-shi, Aichi-pref., 448-8651 (JP)

(72) Inventors:
  • Takagaki, Takanari
    Kariya-shi, Aichi-pref. 448-8651 (JP)
  • Oda, Kouichi
    Kariya-shi, Aichi-pref. 448-8651 (JP)
  • Honda, Minoru
    Kariya-shi, Aichi-pref. 448-8651 (JP)

(74) Representative: Winter, Brandl, Fürniss, Hübner Röss, Kaiser, Polte Partnerschaft Patent- und Rechtsanwaltskanzlei 
Alois-Steinecker-Strasse 22
85354 Freising
85354 Freising (DE)


(56) References cited: : 
DE-A- 3 904 623
FR-A- 2 779 662
US-A- 5 709 735
 DE-A- 4 143 237
US-A- 5 672 399
US-A- 5 798 167
   
  • PATENT ABSTRACTS OF JAPAN vol. 1996, no. 06, 28 June 1996 (1996-06-28) & JP 08 038834 A (NIPPONDENSO CO LTD), 13 February 1996 (1996-02-13)
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).