Patent · US Expired

Absorptive devices

US4609584A · kind A · utility

50Cited by
1References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 19, 1985
Grant dateSep 2, 1986
Priority date
Expiry dateSep 19, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24479
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A microporous liquid impermeable but vapor permeable sheet material useful as a backsheet for disposable absorptive devices such as disposable diapers, incontinent devices, sanitary napkins, and panty liners is disclosed. This backsheet provides unexpected useful attributes such as compatibility with available closure tapes and embossibility with translucent patterns.

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