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:
Mar. 27, 2018
Filed:
Dec. 23, 2016
Stora Enso Oyj, Helsinki, FI;
Lars Axrup, Hammaro, SE;
Heidi Saxell, Vantaa, FI;
Veikko Jokela, Rauha, FI;
Henri Kastinen, Helsinki, FI;
Anna Kauppi, Helsinki, FI;
Kaj Backfolk, Lappeenranta, FI;
Nina Ruohoniemi, Helsinki, FI;
Risto Laitinen, Helsinki, FI;
Isto Heiskanen, Imatra, FI;
Teija Laukala, Lappeenranta, FI;
Stora Enso OYJ, Helsinki, FI;
Abstract
A substantially dry composite material comprising a nanofibrillated polysaccharide and two or more additives, wherein the composite nanofibrillated polysaccharide is a microfibrillated cellulose and wherein the additives are lime milk and carbon dioxide, wherein the additives are allowed to react with each other and forming a precipitated calcium carbonate on the nanofibrillated polysaccharide, thereby forming a composite product comprising precipitated calcium carbonate and nanofibrillated polysaccharide.