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:
Aug. 18, 2015
Filed:
Dec. 28, 2011
Applicants:
Hirotomo Mukai, Kanagawa, JP;
Takaya Arayama, Kanagawa, JP;
Inventors:
Hirotomo Mukai, Kanagawa, JP;
Takaya Arayama, Kanagawa, JP;
Assignee:
UNICHARM CORPORATION, Ehime, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 13/15 (2006.01); A61F 13/535 (2006.01); A61F 13/475 (2006.01); A61F 13/494 (2006.01); A61F 13/51 (2006.01); A61F 13/511 (2006.01); A61F 13/53 (2006.01); A61F 13/537 (2006.01);
U.S. Cl.
CPC ...
A61F 13/535 (2013.01); A61F 13/15658 (2013.01); A61F 13/15699 (2013.01); A61F 13/4756 (2013.01); A61F 13/49466 (2013.01); A61F 13/51 (2013.01); A61F 13/51104 (2013.01); A61F 13/51108 (2013.01); A61F 2013/53051 (2013.01); A61F 2013/53778 (2013.01); A61F 2013/53782 (2013.01);
Abstract
Provided are a bodily fluid absorbent article improved to absorb bodily fluids quickly and a method for making a core for the bodily fluid absorbent article. A bodily fluid absorbent core for a bodily fluid absorbent article is formed with one or more elongated depressions. The coreincludes one or more surface layers and one or more inner sections lying inside the one or more surface layers. The one or more surface layers are formed primarily of liquid-absorbent fibers and the one or more inner sections are formed of the liquid-absorbent fibers and superabsorbent polymer particles.