Process for making coated paper or paperboard - Patent 1416088

(19)

(11)

EP 1 416 088 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	12.05.2004 Bulletin 2004/20

(43)	Date of publication A2:
	06.05.2004 Bulletin 2004/19

(21)	Application number: 03023325.8

(22)	Date of filing: 15.10.2003

(51)	International Patent Classification (IPC)⁷: D21H 23/48, D21H 19/82

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
	Designated Extension States:
	AL LT LV MK

(30)

Priority:

15.10.2002 WO PCT/US02/33114

(71)	Applicant: DOW GLOBAL TECHNOLOGIES INC.
	Midland, Michigan 48674 (US)

(72)	Inventors:
	Urscheler, Robert 8810 Horgen (CH) Salminen, Pekka J. 8854 Galgenin (CH) Attal, Jamel F. Midland, Michigan 48642 (US) Roper III, John A. Midland, Michigan 48642 (US)

(74)	Representative: Sternagel, Fleischer, Godemeyer & Partner Patentanwälte
	Braunsberger Feld 29 51429 Bergisch Gladbach 51429 Bergisch Gladbach (DE)

(54)	Process for making coated paper or paperboard

(57) The present invention refers to a method of producing a coated paper or paperboard, but excluding photographic papers, comprising the steps of:

(a) forming a free flowing curtain comprising at least one layer, whereby the composition forming at least one layer of the free flowing curtain has a high shear viscosity of at least 50 mPa·s, and
(b) contacting the curtain with a continuous web substrate of basepaper and paperboard.