Patent · US Expired

Super-absorbent polymer having improved absorbency properties

US5145906A · kind A · utility

163Cited by
4References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 15, 1991
Grant dateSep 8, 1992
Priority date
Expiry dateApr 15, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F8/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Super-absorbent polymers having superior dryness properties when incorporated into absorbent articles are made from acrylic acid and crosslinking agent polymerized under controlled conditions.

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