Global Patent Index - EP 1749131 A1

EP 1749131 A1 20070207 - BOARD COMPRISING HYDROTALCITE

Title (en)

BOARD COMPRISING HYDROTALCITE

Title (de)

PAPPE MIT HYDROTALCIT

Title (fr)

CARTON CONTENANT DE L'HYDROTALCITE

Publication

EP 1749131 A1 20070207 (EN)

Application

EP 05742501 A 20050516

Priority

  • SE 2005000708 W 20050516
  • EP 04445062 A 20040518
  • EP 05742501 A 20050516

Abstract (en)

[origin: WO2005111306A1] The invention relates to a process for producing board which comprises providing an aqueous suspension comprising cellulosic fibres; adding hydrotalcite to the suspension; dewatering the obtained suspension to provide a (i) single ply board; or (ii) a ply comprising cellulosic fibres and hydrotalcite, and attaching said ply to one or more plies comprising cellulosic fibres to provide a multi ply board comprising two or more plies. The invention further relates to board comprising one or more plies containing cellulosic fibres, wherein the board further comprises hydrotalcite distributed throughout at least one of said one or more plies. The invention also relates to a method for producing a packaging material, a packaging material per se and uses of the packaging material comprising board comprising one or more plies containing cellulosic fibres and hydrotalcite. The invention also relates to a procedure of making a package and the package per se which package comprises board comprising one or more plies containing cellulosic fibres and hydrotalcite.

IPC 8 full level

D21H 17/68 (2006.01); D21H 23/04 (2006.01); D21H 27/10 (2006.01); D21H 27/30 (2006.01)

CPC (source: EP KR)

D21H 17/68 (2013.01 - EP KR); D21H 23/04 (2013.01 - EP); D21H 27/10 (2013.01 - EP); D21H 27/30 (2013.01 - EP)

Citation (search report)

See references of WO 2005111306A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2005111306 A1 20051124; WO 2005111306 A8 20070125; AU 2005243293 A1 20051124; BR PI0510768 A 20071120; CA 2566730 A1 20051124; CN 1954120 A 20070425; EP 1749131 A1 20070207; JP 2007538173 A 20071227; KR 20070012720 A 20070126; MX PA06013224 A 20070814; NO 20065815 L 20070219; RU 2006144832 A 20080627

DOCDB simple family (application)

SE 2005000708 W 20050516; AU 2005243293 A 20050516; BR PI0510768 A 20050516; CA 2566730 A 20050516; CN 200580015800 A 20050516; EP 05742501 A 20050516; JP 2007527110 A 20050516; KR 20067024227 A 20061120; MX PA06013224 A 20050516; NO 20065815 A 20061215; RU 2006144832 A 20050516