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:
Apr. 18, 2017
Filed:
Sep. 18, 2013
Unicharm Corporation, Shikokuchuo-shi, Ehime, JP;
Masashi Uda, Kanonji, JP;
UNICHARM CORPORATION, Ehime, JP;
Abstract
An absorbent article is provided with a liquid-permeable top sheet, a liquid-impermeable back sheet and an absorbent body between the top sheet and the back sheet. The top sheet has a non-woven fabric having multiple convex portions and multiple concave portions. The individual convex portions and concave portions contain a blood lubricity-imparting agent that has a kinetic viscosity of 0.01-80 mm/s at 40° C., a water retention rate of 0.01-4.0 mass % and a weight-average molecular weight of less than 1,000. The amount of the blood lubricity-imparting agent at the top of the convex portions is larger than in the parts other than the top of the convex portions. The amount of the blood lubricity-imparting agent at the bottom of the concave portions is larger than in the parts other than the bottom of the concave portions.