(19)
(11) EP 0 392 682 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
13.03.1991 Bulletin 1991/11

(43) Date of publication A2:
17.10.1990 Bulletin 1990/42

(21) Application number: 90303023.7

(22) Date of filing: 21.03.1990
(51) International Patent Classification (IPC)5: C08G 69/50, D21F 3/00, D21F 7/08, D06M 13/12
// D06M101/34
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU NL SE

(30) Priority: 13.04.1989 US 337627

(71) Applicant: ALBANY INTERNATIONAL CORP.
Albany, New York 12204 (US)

(72) Inventor:
  • Normandin, Lionel
    Rensselaer, New York (US)

(74) Representative: Lowther, Deborah Jane et al
Abel & Imray, Northumberland House, 303-306 High Holborn
London WC1V 7LH
London WC1V 7LH (GB)


(56) References cited: : 
   
       


    (54) Paper machine pressing fabrics


    (57) The present invention relates to a polymeric material from the family of polyamides characterised in that said polyamides have an amine end group concentration of at least 60 equivalents/10⁶g, and have been subjected to a phenol/aldehyde treatment process, to increase the intrinsic viscosity by at least 4% compared with standard materials.





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