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. 15, 2009
Filed:
Sep. 29, 2003
Applicants:
Takako Fujii, Tokyo, JP;
Satoko Konawa, Tochigi, JP;
Masanori Kondo, Tochigi, JP;
Inventors:
Assignee:
Daio Paper Corporation, Ehime, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 13/15 (2006.01);
U.S. Cl.
CPC ...
Abstract
A body fluid absorbing article, which is improved in the spot absorptivity and in the diffusivity in an absorbent, and which is improved in the characteristics of a body fluid migration to the absorbent. The body fluid absorbing article comprises an absorbent sandwiched between a body fluid permeable surface member and a body fluid impermeable back member. Said absorbent includes an upper layer and a lower layer sequentially from the side of said body fluid permeable surface member, and said lower layer has a higher density than that of said upper layer.