Global Patent Index - EP 2170618 B1

EP 2170618 B1 20151021 - PAPER FOR INK JET PRINTING

Title (en)

PAPER FOR INK JET PRINTING

Title (de)

PAPIER FÜR TINTENSTRAHLDRUCK

Title (fr)

PAPIER POUR IMPRESSION À JET D'ENCRE

Publication

EP 2170618 B1 20151021 (EN)

Application

EP 08784771 A 20080715

Priority

  • EP 2008005763 W 20080715
  • EP 07014265 A 20070720
  • EP 08784771 A 20080715

Abstract (en)

[origin: WO2009012912A1] An ink jet paper as well as a method for its manufacture is disclosed comprising at least one image receiving coating layer and at least one pre-coat layer beneath said image receiving coating layer on a paper substrate, wherein the pre-coat layer comprises 100 parts in dry weight of a pigment part consisting of 20-75 parts in dry weight of a fine particulate calcium carbonate and/or kaolin; 10 - 70 parts in dry weight of at least one fine particulate silica and/or of a fine particulate ground calcium carbonate with surface and internal structure modification as a result of treatment with one or more medium to strong H3O+ ion providers and optionally with additional treatment of gaseous carbon dioxide; and 0 - 30 parts of additional fine particulate pigments 4 - 20 parts in dry weight of a binder part 0-6 parts in dry weight of additives; and the image receiving coating layer comprises 100 parts in dry weight of a pigment part consisting of 50 - 100 parts in dry weight of at least one fine particulate silica; 0 - 50 parts in dry weight of a fine particulate polymer pigment; and 0 - 30 parts of additional fine particulate pigments 2 - 10 parts in dry weight of a binder 0-3 parts in dry weight of additives.

IPC 8 full level

B41M 5/50 (2006.01); B41M 5/52 (2006.01)

CPC (source: EP)

B41M 5/506 (2013.01); B41M 5/5218 (2013.01)

Citation (opposition)

Opponent : Dr. Bernd Aechter

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

DOCDB simple family (publication)

WO 2009012912 A1 20090129; EP 2170618 A1 20100407; EP 2170618 B1 20151021

DOCDB simple family (application)

EP 2008005763 W 20080715; EP 08784771 A 20080715