EP 0569085 B1 19970129 - Pitch or stickies control agent
Title (en)
Pitch or stickies control agent
Title (de)
Hilfsmittel zur Kontrolle von Harz- und klebrigen Ablagerungen
Title (fr)
Produit pour combattre la poix ou les dépÔts collants
Publication
Application
Priority
- US 2398893 A 19930226
- US 87863792 A 19920505
Abstract (en)
[origin: EP0569085A1] A method for inhibiting the deposition of pitch or stickies on and/or for removing pitch or stickies from the surfaces of pulping and papermaking machinery by adding an effective amount of a melamine formaldehyde-type polymer to a pulp slurry or furnish in contact with said machinery.
IPC 1-7
IPC 8 full level
D21C 9/08 (2006.01); D21F 1/32 (2006.01); D21H 17/51 (2006.01); D21H 21/02 (2006.01)
CPC (source: EP)
D21C 9/086 (2013.01); D21H 17/51 (2013.01); D21H 21/02 (2013.01)
Designated contracting state (EPC)
AT BE DE FR GB SE
DOCDB simple family (publication)
EP 0569085 A1 19931110; EP 0569085 B1 19970129; AT E148512 T1 19970215; AU 3837693 A 19931111; AU 671444 B2 19960829; CA 2095187 A1 19931106; CA 2095187 C 20051018; DE 69307767 D1 19970313; DE 69307767 T2 19970528; FI 115476 B 20050513; FI 932014 A0 19930504; FI 932014 A 19931106; JP 2559327 B2 19961204; JP H06101193 A 19940412; MX 9302648 A 19940531; NZ 247498 A 19950828
DOCDB simple family (application)
EP 93201240 A 19930501; AT 93201240 T 19930501; AU 3837693 A 19930504; CA 2095187 A 19930429; DE 69307767 T 19930501; FI 932014 A 19930504; JP 12796793 A 19930430; MX 9302648 A 19930504; NZ 24749893 A 19930427