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:
Oct. 02, 2012
Filed:
Apr. 25, 2008
Tarja Sinkko, Lappeenranta, FI;
Mikko Oksanen, Lappeenranta, FI;
Janne Varvemaa, Lappeenranta, FI;
Kyösti Haapoja, Valkeakoski, FI;
Teuvo Leppänen, Taavetti, FI;
Tarja Sinkko, Lappeenranta, FI;
Mikko Oksanen, Lappeenranta, FI;
Janne Varvemaa, Lappeenranta, FI;
Kyösti Haapoja, Valkeakoski, FI;
Teuvo Leppänen, Taavetti, FI;
UPM-Kymmene Oyj, Helsinki, FI;
Abstract
The invention relates to a paper that is formed of a fiber-based source material and is applicable as printing paper. According to the invention, the surface of the paper is surface-treated by arranging on the surface sufficient density in such manner that the density of at least one surface layer of the paper is sufficiently high to yield a Gurley-Hill value of over 7000 s/100 ml as measured from the entire paper. Furthermore, the invention relates to a method for making paper.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile