| (19) |
 |
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(11) |
EP 0 748 897 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
02.07.1997 Bulletin 1997/27 |
| (43) |
Date of publication A2: |
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18.12.1996 Bulletin 1996/51 |
| (22) |
Date of filing: 31.05.1996 |
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| (84) |
Designated Contracting States: |
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AT BE CH DE DK ES FI FR GB IT LI NL PT SE |
| (30) |
Priority: |
15.06.1995 SE 9502184
|
| (71) |
Applicant: Eka Chemicals AB |
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445 80 Bohus (SE) |
|
| (72) |
Inventors: |
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- Schöld, Zaid
130 30 Värmdö (SE)
- Johansson, Hans
442 33 Kungälv (SE)
|
| (74) |
Representative: Jönsson, Christer |
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Eka Nobel AB,
Patent Department,
Box 11556
100 61 Stockholm
100 61 Stockholm (SE) |
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| |
|
| (54) |
A process for the production of paper |
(57) A process for the production of paper from a suspension of cellulose containing fibres,
and optional fillers, which comprises adding an aluminium compound and anionic inorganic
particles to the suspension, forming and draining the suspension on a wire, wherein
the aluminium compound and anionic inorganic particles are mixed immediately prior
to addition to the suspension.