EP 2395147 A1 20111214 - Freeness of paper products
Title (en)
Freeness of paper products
Title (de)
Nichtvorhandensein von Papierprodukten
Title (fr)
Indice d'égouttabilité de produits en papier
Publication
Application
Priority
EP 10162405 A 20100510
Abstract (en)
The present invention provides for the optimisation of conditions for treating pulp with a catalyst and hydrogen peroxide to produce a Freeness value (SR) in a web produced from the treated pulp such that the energy required in mechanical agitation of the pulp is reduced.
IPC 8 full level
D21C 9/00 (2006.01); D21C 9/10 (2006.01); D21C 9/16 (2006.01); D21D 1/02 (2006.01); D21D 1/20 (2006.01); D21D 1/30 (2006.01); D21D 1/34 (2006.01)
CPC (source: EP US)
D21C 9/001 (2013.01 - EP US); D21C 9/10 (2013.01 - EP US); D21C 9/1042 (2013.01 - EP US); D21C 9/1078 (2013.01 - EP US); D21C 9/163 (2013.01 - EP US); D21D 1/00 (2013.01 - EP US); D21D 1/20 (2013.01 - US); D21F 1/0009 (2013.01 - EP US)
Citation (applicant)
- WO 2005028744 A1 20050331 - INT PAPER CO [US]
- WO 2004022842 A1 20040318 - STORA ENSO AB [SE], et al
- EP 0458397 A2 19911127 - UNILEVER NV [NL], et al
- US 2001025695 A1 20011004 - PATT RUDOLF [DE], et al
- WO 2007125517 A2 20071108 - PROCTER & GAMBLE [US], et al
- WO 2008086937 A2 20080724 - UNILEVER PLC [GB], et al
- WO 2006125517 A1 20061130 - UNILEVER PLC [GB], et al
- FINNISH PAPER ENGINEERS' ASSOCIATION AND TAPPI, 2000
- C.F. BAKER, TAPPI JOURNAL, vol. 78, 1995, pages 147
Citation (search report)
- [Y] US 2002066542 A1 20020606 - JAKOB HARALD [DE], et al
- [YD] US 2001025695 A1 20011004 - PATT RUDOLF [DE], et al
- [IDY] WO 2006125517 A1 20061130 - UNILEVER PLC [GB], et al
- [Y] EP 2103735 A1 20090923 - UNILEVER PLC [GB]
- [YD] WO 2008086937 A2 20080724 - UNILEVER PLC [GB], et al
- [A] US 2004198626 A1 20041007 - REINHARDT GERD [DE], et al
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
Designated extension state (EPC)
BA ME RS
DOCDB simple family (publication)
WO 2011141692 A1 20111117; BR 112012028865 A2 20171219; CA 2798917 A1 20111117; CA 2798917 C 20180612; CN 103109015 A 20130515; CN 103109015 B 20160803; EP 2395147 A1 20111214; EP 2569481 A1 20130320; EP 2569481 B1 20160720; ES 2598509 T3 20170127; HU E030187 T2 20170428; PT 2569481 T 20161025; RU 2012152936 A 20140620; RU 2573675 C2 20160127; US 2013126111 A1 20130523; US 2014000824 A9 20140102
DOCDB simple family (application)
GB 2011000709 W 20110509; BR 112012028865 A 20110509; CA 2798917 A 20110509; CN 201180037116 A 20110509; EP 10162405 A 20100510; EP 11720566 A 20110509; ES 11720566 T 20110509; HU E11720566 A 20110509; PT 11720566 T 20110509; RU 2012152936 A 20110509; US 201113697130 A 20110509