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. 04, 2009
Filed:
Dec. 26, 2002
Yasuo Toyoshima, Tochigi, JP;
Hiroko Sugiura, Tochigi, JP;
Noriko Sakamoto, Tochigi, JP;
Taiki Uchiyama, Tochigi, JP;
Koji Asano, Tochigi, JP;
Yasuo Toyoshima, Tochigi, JP;
Hiroko Sugiura, Tochigi, JP;
Noriko Sakamoto, Tochigi, JP;
Taiki Uchiyama, Tochigi, JP;
Koji Asano, Tochigi, JP;
Kao Corporation, Tokyo, JP;
Abstract
A topsheet for absorbent articles having absorbing performance for smoothly transferring liquid body waste, e.g., menstrual blood or urine, to an underlying absorbent member and surface characteristics such that the surface thereof in contact with wearer's skin is soft enough not to cause skin irritation. The topsheetcomprises a first layerdisposed on the side of a wearer and a second layerdisposed on the side of an absorbent member, the first layer and the second layer being partly joined together, and having protrusions and depressions on the side of a wearer, wherein the first and second layers each comprise a fiber aggregate, the first layer has fusion-bonded fiber intersections, the first layer has an apparent thickness (t) of 0.1 to 5 mm, the second layer has an apparent thickness (t) of 0.2 to 3 mm, the apparent thickness ratio of the first layer to the second layer (t/t) is 0.5 to 8, the first layer has a fiber density (d) of 0.001 to 0.05 g/cm, the second layer has a fiber density (d) of 0.03 to 0.2 g/cm, and the fiber density (d) of the second layer is higher than that (d) of the first layer.