EP 0333368 B1 19960612 - Paper sizing method
Title (en)
Paper sizing method
Title (de)
Verfahren für die Papierleimung
Title (fr)
Procédé pour l'encollage du papier
Publication
Application
Priority
GB 8806432 A 19880318
Abstract (en)
[origin: EP0333368A2] The manufacture of sized paper, by adding a sizing agent and an aluminium compound to paper-making stock or by surface-sizing paper with a pre-blend of the agent and the compound, is carried out at a neutral or alkaline pH, typically a pH above 6, and so that the agent and the compound are added simultaneously to the paper-making stock or are applied simultaneously to the paper surface. If the agent and the compound are used as a one-shot pre-blend, this is made on or immediately before use.
IPC 1-7
IPC 8 full level
D21H 17/35 (2006.01); D21H 17/53 (2006.01); D21H 17/62 (2006.01); D21H 17/63 (2006.01); D21H 17/67 (2006.01); D21H 23/18 (2006.01); D21H 23/28 (2006.01)
CPC (source: EP)
D21H 23/18 (2013.01); D21H 23/28 (2013.01)
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0333368 A2 19890920; EP 0333368 A3 19910327; EP 0333368 B1 19960612; AT E139281 T1 19960615; AU 3142989 A 19890921; AU 619260 B2 19920123; CA 1325500 C 19931228; DE 68926632 D1 19960718; DE 68926632 T2 19961121; DK 131889 A 19890919; DK 131889 D0 19890317; DK 173063 B1 19991213; ES 2087862 T3 19960801; FI 891184 A0 19890313; FI 891184 A 19890919; FI 94974 B 19950815; FI 94974 C 19951127; GB 8806432 D0 19880420; JP 2656830 B2 19970924; JP H026680 A 19900110; NO 180345 B 19961223; NO 180345 C 19970402; NO 891116 D0 19890315; NO 891116 L 19890919; NZ 228297 A 19910726; PT 90040 A 19891110; PT 90040 B 19950301; ZA 891925 B 19900530
DOCDB simple family (application)
EP 89302253 A 19890307; AT 89302253 T 19890307; AU 3142989 A 19890317; CA 594070 A 19890317; DE 68926632 T 19890307; DK 131889 A 19890317; ES 89302253 T 19890307; FI 891184 A 19890313; GB 8806432 A 19880318; JP 6398889 A 19890317; NO 891116 A 19890315; NZ 22829789 A 19890310; PT 9004089 A 19890317; ZA 891925 A 19890314