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.

Date of Patent:
Sep. 11, 2018

Filed:

Sep. 12, 2013
Applicant:

Livedo Corporation, Shikokuchuo-shi, Ehime, JP;

Inventors:

Yoshihisa Ota, Mima-gun, JP;

Motoko Nishida, Mima-gun, JP;

Assignee:

LIVEDO CORPORATION, Shikokuchuo-shi, Ehime, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 13/15 (2006.01); A61F 13/20 (2006.01); A61F 13/534 (2006.01); A61L 15/60 (2006.01); A61F 13/537 (2006.01); A61L 15/22 (2006.01); A61F 13/53 (2006.01);
U.S. Cl.
CPC ...
A61F 13/534 (2013.01); A61F 13/53 (2013.01); A61F 13/53717 (2013.01); A61F 13/53756 (2013.01); A61L 15/225 (2013.01); A61L 15/60 (2013.01); A61F 2013/530481 (2013.01); A61F 2013/530532 (2013.01); A61F 2013/530547 (2013.01); A61F 2013/530708 (2013.01);
Abstract

An objective of the present invention is to provide an absorbent article having an excellent absorption speed of body fluid and excellent dryness after absorbing body fluid. The absorbent article of the present invention comprises: an absorbent body where a water absorbent resin powder meeting the following requirements (a) to (c) is disposed, (a) an absorption speed measured by a vortex method: 20 seconds to 50 seconds, (b) a liquid passing speed under load: 10 seconds or less, (c) a moisture absorption blocking ratio: 5% or less; and a diffusion layer composed of a synthetic fiber assembly substantially having no water absorption.


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