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:
Dec. 04, 2012
Filed:
Sep. 13, 2005
Morgan Hansson, Göteborg, SE;
Robert Torstensson, Göteborg, SE;
Henrik Carlén, Västra Frölunda, SE;
SCA Hygiene Products AB, Gothenburg, SE;
Abstract
An absorbent article, such as a diaper, a pant diaper, a sanitary napkin, an incontinence guard etc., includes components that are joined together by a bonding pattern. The bonding pattern has color-changing properties triggered by heat and/or pressure exerted during the bonding process, the color-changing properties being either irreversible or reversible. The color-changing properties may be accomplished by thermochromic pigments, thermochromic fibers and/or pressure-sensitive pigments. A laminate is formed from two or more web material layers joined together by a bonding pattern having color-changing.