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:
Apr. 30, 2024
Filed:
Dec. 20, 2018
Unicharm Corporation, Ehime, JP;
Kazuaki Onishi, Kagawa, JP;
UNICHARM CORPORATION, Ehime, JP;
Abstract
In an absorbent article, an absorbent core includes first and second layers adjacent to each other in the thickness direction; the first layer has, in a front-body part, a groove extending in the longitudinal direction, penetrating in the thickness direction, and having a terminal end at a rear position and a base disposed adjacent to the rear position of the groove with the terminal end therebetween; the second layer has a groove corresponding part and a base corresponding part at positions overlapping the groove and the base respectively in the thickness direction; and the average density of highly absorbent polymer particles contained in the base and the average density of the highly absorbent polymer particles contained in the base corresponding part are higher than the average density of the highly absorbent polymer particles contained in the groove corresponding part.