Patent · US Expired

Body fluid-adsorbing article

US4959060A · kind A · utility

33Cited by
13References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 12, 1989
Grant dateSep 25, 1990
Priority date
Expiry dateDec 12, 2009

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61L15/20
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A body fluid-absorbing article such as, for example, a disposable diaper is provided with at least one absorbent member comprising 50 to 99% by weight of a fibrous material and 50 to 1% by weight of an absorbent polymer, which absorbent member contains at least one compound (A) selected from the group consisting of sulfur-containing reducing agents, antioxidants, and oxidizing agents. By the action of the compound (A), the swelled gel of the absorbent polymer formed in consequence of absorption of body fluid is prevented from being deteriorated or decomposed by aging.

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