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Patents

Absorbent Article:

U.S. Patent No. 9,301,885 B2

Author Image

By: Karen McIntyre

Editor, Nonwovens Industry

Shimpei Komatsu, Kagawa, Japan; Yuki Noda, Kagawa, Japan; Mitsuhiro Wada, Kagawa, Japan; Akira Hashino, Kagawa, Japan; Hideyuki Kinoshita, Kagawa, Japan; Masashi Nakashita, Kagawa, Japan; and Ichiro Wada, Kagawa, Japan. Assigned to Unicharm Corporation, Ehime, Japan.

Filed: 4/23/12
Issued: 4/5/16

An absorbent article comprising: a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body between the liquid-permeable top sheet and liquid-impermeable back sheet, wherein the top sheet exhibits a color difference in the range of 39-77, based on the L*a*b* color system and measured from a skin contact surface of the top sheet in a liquid dropping test, and the top sheet comprises a color-reducing agent having an IOB of 0.00-0.35, a melting point of no higher than 45° C. and a water solubility of 0.00-0.05 g in 100 g of water at 25° C.

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