Patent · US Active

Coated papers having improved labelling properties

US8202624B2 · kind B2 · utility

0Cited by

10References

27Claims

0Family size

Assignee

M-real Oyj · FI

Inventors

Hans-Joachim Becher · Nümbrecht, DE
Andreas Euler · Pulheim, DE
Udo Sundram · Bensberg, DE

Key dates

Filing date	May 16, 2007
Grant date	Jun 19, 2012
Priority date	—
Expiry date	Jan 30, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31993
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A process for producing a coated paper, comprising the steps of: a) providing a base paper, the fraction of long-fiber chemical pulp in the base paper being at least 25% by weight, the base paper leaving an absolute moisture content of ISO 287 of not less than 2.5%, the base paper having a water absorbency to ISO 535 for a test time of 10 s (Cobb10) of 5 to 20g/m2, and the base paper having a (Fenchel) wet elongation, measured parallel to the machine direction, of not greater than 0% and, measured transverse to the machine direction, of not greater than 3%, b) applying 10 to 40g/m2 (ovendry) of an aqueous coating composition to at least one face of the base paper, to give a coated base paper, and c) conditioning the coated paper obtained in step b).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.