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:
Feb. 23, 1993
Filed:
Aug. 31, 1990
Kao Corporation, Tokyo, JP;
Abstract
A disposable diaper having a liquid pervious top-sheet, a liquid impervious and vapor pervious backsheet and an absorbent core interposed between the topsheet and the backsheet comprising interposing liquid impervious and vapor pervious barrier sheets between the topsheet and the backsheet, said barrier sheets being extended from the front edge and the rear edge of the diaper to the inwards of the front edge and the rear edge of the absorbent core respectively, to thereby form waist barrier parts covering the front edge and the rear edge of the absorbent core, and the barrier sheets being so formed that the intensity in the lateral direction of the diaper is higher than the intensity in the longitudinal direction of the diaper.