EP 2422013 A1 20120229 - PAPER PRODUCT
Title (en)
PAPER PRODUCT
Title (de)
PAPIERPRODUKT
Title (fr)
PRODUIT DE PAPIER
Publication
Application
Priority
- FI 2010050316 W 20100419
- FI 20095425 A 20090420
Abstract (en)
[origin: WO2010122221A1] The invention relates to a supercalendered paper product comprising first cellu- losic fibres and a gypsum -fibre composite product as a filler pigment or coating pigment, wherein the gypsum in the gypsum -fibre composite product appears as crystals on the surface of the fibre, and wherein the gypsum crystals are obtained by contacting calcium sulphate hemihydrate and/or calcium sulphate anhydrite and an aqueous second fibre suspension. The invention also relates to a process for producing a supercalendered paper product.
IPC 8 full level
D21H 17/66 (2006.01); C01F 11/46 (2006.01)
CPC (source: EP FI KR US)
C01F 11/46 (2013.01 - KR); C01F 11/466 (2013.01 - EP US); C09C 1/025 (2013.01 - FI); D21H 17/66 (2013.01 - EP KR US); D21H 17/67 (2013.01 - EP US); D21H 17/69 (2013.01 - FI); D21H 17/70 (2013.01 - FI); D21H 19/42 (2013.01 - FI); C01P 2004/03 (2013.01 - EP US); D21H 17/69 (2013.01 - EP US); D21H 19/38 (2013.01 - EP US); D21H 25/14 (2013.01 - EP US)
Citation (search report)
See references of WO 2010122221A1
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 MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
WO 2010122221 A1 20101028; CA 2755993 A1 20101028; CN 102405319 A 20120404; EP 2422013 A1 20120229; FI 123287 B 20130131; FI 20095425 A0 20090420; FI 20095425 A 20101021; JP 2012524180 A 20121011; KR 20120023676 A 20120313; RU 2011139825 A 20130527; US 2012024488 A1 20120202
DOCDB simple family (application)
FI 2010050316 W 20100419; CA 2755993 A 20100419; CN 201080017360 A 20100419; EP 10718236 A 20100419; FI 20095425 A 20090420; JP 2012506539 A 20100419; KR 20117027604 A 20100419; RU 2011139825 A 20100419; US 201013262860 A 20100419