(19)
(11) EP 0 357 574 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
23.10.1991 Bulletin 1991/43

(43) Date of publication A2:
07.03.1990 Bulletin 1990/10

(21) Application number: 89850252.1

(22) Date of filing: 09.08.1989
(51) International Patent Classification (IPC)5D21H 23/76, D21H 17/33, D21H 17/63
(84) Designated Contracting States:
AT BE CH DE ES FR GB IT LI NL SE

(30) Priority: 01.09.1988 SE 8803065

(71) Applicant: Eka Nobel Aktiebolag
S-445 01 Surte (SE)

(72) Inventor:
  • Johansson, Hans Erik
    S-442 33 Kungälv (SE)

(74) Representative: Schöld, Zaid 
Eka Nobel AB Patent Department Box 11556
S-100 61 Stockholm
S-100 61 Stockholm (SE)


(56) References cited: : 
   
       


    (54) A process for the production of paper


    (57) A method for the production of paper by forming and dewatering a suspension of cellulose containing fibres on a wire. The forming and dewatering takes place in the pre­sence of an anionic, inorganic colloid, an aluminate and a cationic synthetic polymer. The process gives improved dewatering and improved retention of fines and optional fillers.





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