Unicharm files Indian patent application for absorbent article such as sanitary napkin; patent filed on April 7
June 13, 2014
(Indian Patents News)
– Japan based Unicharm Corp filed patent application for absorbent article. The inventors are Harada Hiroyuki, Uematsu Katsuhiro and Kosako Yusuke.
Unicharm Corp filed the patent application on April 7, 2014. The patent application number is 777/KOLNP/2014 A. The international classification number is A61F 13/15.
According to the Controller General of Patents, Designs & Trade Marks, "An absorbent article adapted to ensure a reduced dimension in a thickness direction and a soft texture for not creating discomfort to the wearer, and further, to ensure that bodily fluids should not stay in the irregularities for a long period. A sanitary napkin (10) as an example of the absorbent article has a longitudinal direction Y, a transverse direction X and a thickness direction Z orthogonal to one another, and includes a liquid-pervious topsheet (21) lying on a skin-facing side facing the wearers skin; a backsheet (22) lying on a non-skin-facing side opposite to the skin-facing side; and a liquid-absorbent structure(20)interposedbetweenthetopsheet21andthebacksheet (22). The liquid-absorbent structure (20) includes a liquid-pervious first sheet (21) lying on the skin-facing side, a second sheet (22) lying on the non-skin-facing side and a liquid-absorbent core (23) interposed between the first sheet (21) and the second sheet (22). The liquid-absorbent structure (20) is partially formed with depressions (30) compressed in a direction from the non-skin-facing side toward the skin-facing side. The depressions (30) include high pressure compressed depressions (31) having a relatively small dimension in the thickness direction Z and low pressure compressed depressions 32 having a relatively large dimension in the thickness direction . A plurality of the high pressure compressed depressions (31) are formed so as to be scatteredabout inthelongitudinaldirection Y as well as in the transverse direction X. The low pressure compressed depressions (32) are formed so as to connect the high pressure compressed depressions (31) to each other in the longitudinal direction Y as well as in the transverse direction X."
About the Company
Unicharm Corp is a Japan based company. It is the manufacturers of feminine hygiene and adult incontinence products.