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. 13, 2015
Filed:
Dec. 21, 2004
Peter Marten Van Der Horst, Arnhem, NL;
Erik Sanne, Göteborg, SE;
Kjell Rune Andersson, Göteborg, SE;
Cherryleen Garcia-lindgren, Domsjö, SE;
Marie-louise Wallberg, Domsjö, SE;
Sune Wännström, Domsjö, SE;
Peter Marten Van Der Horst, Arnhem, NL;
Erik Sanne, Göteborg, SE;
Kjell Rune Andersson, Göteborg, SE;
Cherryleen Garcia-Lindgren, Domsjö, SE;
Marie-Louise Wallberg, Domsjö, SE;
Sune Wännström, Domsjö, SE;
EKA CHEMICALS AB, Bohus, SE;
Abstract
The present invention relates to a filler comprising calcium salt and cellulose derivative having a degree of substitution of net ionic groups up to about 0.65, wherein the filler is substantially free from fibers or fibrils of cellulose or lignocellulose. The invention also relates to a filler comprising calcium salt and a cellulose derivative having a degree of substitution of net ionic groups up to about 0.65, wherein the cellulose derivative contains cationic groups.