(19)
(11) EP 0 493 856 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.10.1992 Bulletin 1992/41

(43) Date of publication A2:
08.07.1992 Bulletin 1992/28

(21) Application number: 91203360.2

(22) Date of filing: 18.12.1991
(51) International Patent Classification (IPC)5: B65D 81/00, B65D 81/20
(84) Designated Contracting States:
BE DE DK FR GB NL SE

(30) Priority: 19.12.1990 NL 9002815

(71) Applicant: Sara Lee/DE N.V.
NL-3532 AA Utrecht (NL)

(72) Inventors:
  • Vroonland, Christoffel Antonius Johannes
    NL-3769 JK Soesterberg (NL)
  • Peters, Antonius Johannes Maria
    NL-5321 RR Hedel (NL)

(74) Representative: Smulders, Theodorus A.H.J., Ir. et al
Vereenigde Octrooibureaux Nieuwe Parklaan 97
2587 BN 's-Gravenhage
2587 BN 's-Gravenhage (NL)


(56) References cited: : 
   
       


    (54) Filter cartridge


    (57) This invention relates to a filter cartridge of which the top and bottom are covered with filter paper, the space so formed containing a granular extractable material and the gas in the filter cartridge substantially consisting of CO₂.






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