Unicharm files Argentine patent application for disposable diaper

Nevin Barich

BUENOS AIRES, Argentina , July 7, 2014 (Sanitation Patent News) – Unicharm Corporation has filed a patent application for disposable diaper. This invention was developed by Junko Ueda, Kyo Kikuchi and Naoto Ohashi.

The patent application number is AR2012P100695 20120302. The patent publication number is AR088312 (A1). International Patent Classification codes are A61F13/49 and A61F13/53. Cooperative Patent Classification codes are A61F13/533 and A61F13/537.

According to the abstract released by the The Argentine Patent Office: "Embodiments of this invention provide a disposable diaper adapted to restrict a change in thickness of the core assembly due to absorption of bodily fluids. A core assembly as a component of a fluid-absorbent structure in a disposable diaper includes fluff wood pulp fibers and superabsorbent polymer particles and is wrapped with wrapping sheets. The core assembly is formed in a region thereof facing a liquid-pervious bodyside liner with a plurality of depressions."

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