Patent · US Expired

Sanitary article

US5069676A · kind A · utility

27Cited by
8References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 7, 1987
Grant dateDec 3, 1991
Priority date
Expiry dateAug 7, 2007

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61F2013/53721
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

In a sanitary article having as a core material a super water absorbing polymer and two layers of fluff pulp to envelop the polymer, the improvement comprises that said layer of fluff pulp is composed of a compressed first site and a further compressed second site, the density of said first site ranging from 0.04 to 0.15 g/cm.sup.3, the density of said second site ranging from 0.06 to 0.4 g/cm.sup.3, and the area of said second site ranging from 10 to 50% of that of the entire article.

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