WIPO publishes K-C Worldwide patent for 'enhanced personal care absorbent articles'
November 29, 2013
(U.S. Fed News)
– Publication No. WO/2013/175322 was published on Nov. 28.
Title of the invention: "ENHANCED PERSONAL CARE ABSORBENT ARTICLES."
Applicants: KIMBERLY-CLARK WORLDWIDE INC. (US).
Inventors: Frank P. Abuto (US), Deborah J. Calewarts (US), Jenny L. Day (US), Keyur M. Desai (US), Jeffrey F. Jurena (US), Jian Qin (US) and Donald E. Waldroup (US).
According to the abstract* posted by the World Intellectual Property Organization: "The present invention relates to a personal care absorbent article comprising at least two substrates each having an internal and external surface, wherein at least one substrate is a fluid permeable bodyside substrate selected from spunbond, meltblown, coform, airlaid, bonded-carded web, spunlace materials and combinations thereof; at least one substrate is an impermeable backsheet; and an absorbent core disposed in between said substrates; wherein at least the external surface of at least one substrate has applied to it a benefit agent selected from an additive composition wherein said additive composition is a polymer dispersion selected from polyolefin dispersions, polyisoprene dispersions, polybutadiene-styrene block copolymer dispersions, latex dispersions, polyvinyl pyrrolidone-styrene copolymer dispersions, polyvinyl alcohol-ethylene copolymer dispersions, and combinations thereof; an enhancement component selected from microparticles, expandable microspheres, fibers, additional polymer dispersions, scents, anti-bacterials, moisturizers, medicaments, soothers and combinations thereof; and combinations thereof."
The patent was filed on April 9 under Application No. PCT/IB2013/052826.
*For further information, including images, charts and tables, please visit: http://www.wipo.int/patentscope/search/en/detail.jsf?docId=WO2013175322
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