Patent · US Expired

Apertured film covers with localized wettability and method for making the same

US6410823B1 · kind B1 · utility

97Cited by
15References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 30, 1998
Grant dateJun 25, 2002
Priority date
Expiry dateJun 30, 2018

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61F13/8405
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A film cover for use in absorbent materials such as feminine care products, surgical drapes, fenestration reinforcement, absorbent pads and the like including a polymeric film having a top planar surface and a bottom planar surface and forming a plurality of apertures, at least a portion of which have an aperture region having a higher wettability than a portion of the top planar surface of the polymeric film.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.