Global Patent Index - EP 2195487 A1

EP 2195487 A1 20100616 - METHOD FOR CONTROLLING DEPOSIT FORMATION

Title (en)

METHOD FOR CONTROLLING DEPOSIT FORMATION

Title (de)

VERFAHREN ZUM KONTROLLIEREN DER BILDUNG VON ABLAGERUNGEN

Title (fr)

PROCÉDÉ DE LIMITATION DE LA FORMATION DE DÉPÔTS

Publication

EP 2195487 A1 20100616 (EN)

Application

EP 08805466 A 20080930

Priority

  • FI 2008050544 W 20080930
  • FI 20070746 A 20071001

Abstract (en)

[origin: WO2009043971A1] The invention relates to a method for controlling deposit formation on paper machine rolls, said method comprising applying at the dry end of a paper machine an aqueous solution of an anionic or non-ionic polymer on the surface of the paper for preventing the rolls from being contaminated by stickies and/or other depositable material from the paper.

IPC 8 full level

D21H 17/23 (2006.01); D21C 9/08 (2006.01); D21H 17/33 (2006.01); D21H 17/36 (2006.01); D21H 17/37 (2006.01); D21H 17/42 (2006.01); D21H 17/43 (2006.01); D21H 17/47 (2006.01); D21H 21/02 (2006.01); D21H 21/04 (2006.01); D21H 23/28 (2006.01); D21H 23/50 (2006.01); D21H 23/56 (2006.01)

CPC (source: EP FI)

D21H 21/02 (2013.01 - EP FI); D21H 23/50 (2013.01 - FI); D21H 17/33 (2013.01 - EP); D21H 17/36 (2013.01 - EP); D21H 17/37 (2013.01 - EP); D21H 17/42 (2013.01 - EP); D21H 17/47 (2013.01 - EP); D21H 23/50 (2013.01 - EP)

Citation (search report)

See references of WO 2009043971A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA MK RS

DOCDB simple family (publication)

WO 2009043971 A1 20090409; CA 2700412 A1 20090409; CN 101815822 A 20100825; EP 2195487 A1 20100616; EP 2195487 B1 20171108; FI 121938 B 20110615; FI 20070746 A0 20071001; FI 20070746 A 20090402; US 2011011546 A1 20110120

DOCDB simple family (application)

FI 2008050544 W 20080930; CA 2700412 A 20080930; CN 200880110009 A 20080930; EP 08805466 A 20080930; FI 20070746 A 20071001; US 68078808 A 20080930