WIPO publishes Unicharm patent 'for absorbent article' pertaining to sanitary napkin
April 4, 2014
(U.S. Fed News)
– Publication No. WO/2014/050357 was published on April 3.
Title of the invention: "ABSORBENT ARTICLE."
Applicants: UNICHARM CORPORATION (JP).
Inventors: Ichiro Wada (JP), Masashi Nakashita (JP) and Masashi Uda (JP).
According to the abstract* posted by the World Intellectual Property Organization: "The present invention addresses the problem of providing an absorbent article that has an improved ability to transfer menstrual blood from a liquid-permeable layer to an absorbent body and can reduce the amount of the menstrual blood remaining in the liquid-permeable layer. To solve this problem, provided is a sanitary napkin (1) provided with a top sheet (2), a back sheet (3) and an absorbent body (4) that is interposed between the top sheet (2) and the back sheet (3), wherein convex portions (8) formed in an excretion orifice contact region of the top sheet (2) are coated with a blood lubricity-imparting agent that has a kinetic viscosity of 0.01-80 mm2/s at 40degC, a water retention rate of 0.01-4.0 mass% and a weight-average molecular weight of less than 1,000."
The patent was filed on Aug. 19, 2013 under Application No. PCT/JP2013/072093.
*For further information, including images, charts and tables, please visit: http://www.wipo.int/patentscope/search/en/detail.jsf?docId=WO2014050357
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