Global Patent Index - EP 0748897 B1

EP 0748897 B1 2001-05-09 - A process for the production of paper

Title (en)

A process for the production of paper

Title (de)

Verfahren zur Herstellung von Papier

Title (fr)

Procédé de fabrication de papier

Publication

EP 0748897 B1 (EN)

Application

EP 96201521 A

Priority

SE 9502184 A

Abstract (en)

[origin: EP0748897A2] 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.

IPC 1-7 (main, further and additional classification)

D21H 23/04; D21H 21/10

IPC 8 full level (invention and additional information)

D21H 17/63 (2006.01); D21H 17/66 (2006.01); D21H 17/68 (2006.01); D21H 21/10 (2006.01); D21H 23/04 (2006.01)

CPC (invention and additional information)

D21H 17/66 (2013.01); D21H 17/68 (2013.01); D21H 21/10 (2013.01); D21H 23/04 (2013.01)

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB IT LI NL PT SE

EPO simple patent family

EP 0748897 A2 19961218; EP 0748897 A3 19970702; EP 0748897 B1 20010509; AT 201073 T 20010515; CA 2179116 A1 19961216; CA 2179116 C 20010814; DE 69612699 D1 20010613; DE 69612699 T2 20011129; DK 0748897 T3 20010917; ES 2158226 T3 20010901; JP 3202165 B2 20010827; JP H093794 A 19970107; SE 9502184 D0 19950615

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- Owner name: BARZANO' E ZANARDO ROMA S.P.A.

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