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. 29, 2013
Filed:
Apr. 02, 2009
Armando Córdova, Stockholm, SE;
Jonas Fredrik Hafrén, Stockholm, SE;
Karl Enquist, Täby, SE;
Joseph Samec, Spånga, SE;
Armando Córdova, Stockholm, SE;
Jonas Fredrik Hafrén, Stockholm, SE;
Karl Enquist, Täby, SE;
Joseph Samec, Spånga, SE;
OrganoClick AB, Stockholm, SE;
Abstract
A method of improving a strength property of a sheet-formed fibrous material formed from an aqueous slurry of cellulose fiber, including coating at least one face of the material with a coating formulation including a polysaccharide containing at least two carboxylic groups and low molecular weight organic mono-, di- or poly-carboxylic acid in an aqueous carrier, keeping the coated face at a temperature of 50° C. or more for a time sufficient to obtain the desired improvement including drying of the material.