The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 19, 2012
Filed:
May. 16, 2007
Hans-joachim Becher, Numbrecht, DE;
Andreas Euler, Pulheim, DE;
Udo Sundram, Bergisch, DE;
M-Real Oyj, Espoo, FI;
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 (Cobb) of 5 to 20g/m, 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/m(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).