EP 0357574 A2 19900307 - A process for the production of paper.
Title (en)
A process for the production of paper.
Title (de)
Verfahren zur Papierherstellung.
Title (fr)
Procédé de fabrication de papier.
Publication
Application
Priority
SE 8803065 A 19880901
Abstract (en)
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.
IPC 1-7
IPC 8 full level
D21H 17/33 (2006.01); D21H 17/37 (2006.01); D21H 17/45 (2006.01); D21H 17/54 (2006.01); D21H 17/63 (2006.01); D21H 17/67 (2006.01); D21H 17/68 (2006.01); D21H 23/76 (2006.01)
CPC (source: EP)
D21H 17/45 (2013.01); D21H 17/54 (2013.01); D21H 17/68 (2013.01)
Designated contracting state (EPC)
AT BE CH DE ES FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0357574 A2 19900307; EP 0357574 A3 19911023; EP 0357574 B1 19931222; AT E99010 T1 19940115; AU 4084089 A 19900329; AU 605997 B2 19910124; BR 8904283 A 19900417; CA 1334324 C 19950214; DE 68911626 D1 19940203; DE 68911626 T2 19940407; ES 2048323 T3 19940316; FI 894075 A0 19890830; FI 894075 A 19900302; FI 90448 B 19931029; FI 90448 C 19940210; JP 2521539 B2 19960807; JP H0299692 A 19900411; NO 171567 B 19921221; NO 171567 C 19930331; NO 893500 D0 19890831; NO 893500 L 19900302; NZ 230427 A 19910625; PT 91611 A 19900330; PT 91611 B 19950531; SE 467627 B 19920817; SE 8803065 D0 19880901; SE 8803065 L 19900302
DOCDB simple family (application)
EP 89850252 A 19890809; AT 89850252 T 19890809; AU 4084089 A 19890828; BR 8904283 A 19890825; CA 609515 A 19890828; DE 68911626 T 19890809; ES 89850252 T 19890809; FI 894075 A 19890830; JP 22049589 A 19890829; NO 893500 A 19890831; NZ 23042789 A 19890825; PT 9161189 A 19890901; SE 8803065 A 19880901