EP 0133902 A2 19850313 - Paper sizing process.
Title (en)
Paper sizing process.
Title (de)
Verfahren zur Papierleimung.
Title (fr)
Procédé d'encollage de papier.
Publication
Application
Priority
IT 2189383 A 19830701
Abstract (en)
In the paper sizing in which synthetic cellulose-reactive sizing agents and calcium carbonate as the filler are used, the aluminum polyhydroxychloride of formula: Al2(OH)6-xClx . nH2O wherein 0.96</= x </=6 and n = 2x has an excellent retention effect.
IPC 1-7
IPC 8 full level
D21H 17/63 (2006.01); D21H 17/66 (2006.01); D21H 17/67 (2006.01)
CPC (source: EP)
D21H 17/66 (2013.01); D21H 17/675 (2013.01)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0133902 A2 19850313; EP 0133902 A3 19850502; AU 3005884 A 19850103; FI 842646 A0 19840629; FI 842646 A 19850102; IT 1163643 B 19870408; IT 8321893 A0 19830701; JP S6034698 A 19850222; NO 842651 L 19850102; PT 78806 A 19840701; PT 78806 B 19860605; ZA 844944 B 19850227
DOCDB simple family (application)
EP 84107521 A 19840628; AU 3005884 A 19840629; FI 842646 A 19840629; IT 2189383 A 19830701; JP 13537584 A 19840702; NO 842651 A 19840629; PT 7880684 A 19840628; ZA 844944 A 19840628