EP 0000714 B1 19820331 - AUXILIARY AGENT FOR THE IMPROVEMENT OF RETENTION, DEHYDRATION AND PREPARATION, ESPECIALLY FOR THE MANUFACTURE OF PAPER
Title (en)
AUXILIARY AGENT FOR THE IMPROVEMENT OF RETENTION, DEHYDRATION AND PREPARATION, ESPECIALLY FOR THE MANUFACTURE OF PAPER
Publication
Application
Priority
DE 2736651 A 19770813
Abstract (en)
[origin: US4267059A] An auxiliary for improving the retention of flushable solids, for accelerating the dewatering of suspensions and for more rapidly working up industrial waters, effluents and sludges by the addition of a basic water-soluble polymer being produced by reacting (a) an aliphatic polyethylene glycol ether amine and (b) a basic polyamino amide to form an intermediate product and (c) reacting said intermediate with an epihalohydrin, dihaloalkane, glyoxal-bis-acrylamide, bis-acrylamidoacetic acid, acrylamidoglycolic acid or tetraalkyloxyethane.
IPC 1-7
IPC 8 full level
C02F 1/54 (2006.01); C08G 69/48 (2006.01); B01D 21/01 (2006.01); C09K 3/00 (2006.01); D21H 17/54 (2006.01); D21H 17/56 (2006.01)
CPC (source: EP US)
C02F 1/54 (2013.01 - EP US); C08G 69/48 (2013.01 - EP US); D21H 17/54 (2013.01 - EP US); Y10S 210/928 (2013.01 - EP US)
Designated contracting state (EPC)
CH DE FR GB NL SE
DOCDB simple family (publication)
EP 0000714 A2 19790221; EP 0000714 A3 19790321; EP 0000714 B1 19820331; AT 365681 B 19820210; AT A587278 A 19810615; CA 1124963 A 19820608; DE 2736651 A1 19790215; DE 2861707 D1 19820506; FI 64177 B 19830630; FI 64177 C 19831010; FI 782461 A 19790214; IT 1112697 B 19860120; IT 7826760 A0 19780811; JP S5432186 A 19790309; NO 151625 B 19850128; NO 151625 C 19850508; NO 782730 L 19790214; US 4267059 A 19810512
DOCDB simple family (application)
EP 78100444 A 19780719; AT 587278 A 19780811; CA 308579 A 19780802; DE 2736651 A 19770813; DE 2861707 T 19780719; FI 782461 A 19780811; IT 2676078 A 19780811; JP 9744478 A 19780811; NO 782730 A 19780810; US 8464779 A 19791015