Patent · US Expired

Poly (vinylamine) - base superabsorbent gels and method of manufacturing the same

US6603055B2 · kind B2 · utility

13Cited by

17References

33Claims

0Family size

Assignee

BASF SE

Inventors

Michael A. Mitchell · Fort Mill, US
Thomas W. Beihoffer · Arlington Heights, US
Raffat S. Sultana · Algonquin, US

Key dates

Filing date	Dec 22, 2000
Grant date	Aug 5, 2003
Priority date	—
Expiry date	Jul 1, 2021

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F2810/20
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Bi-component superabsorbent materials are disclosed. The superabsorbent materials comprise a mixture of about 20% to about 40%, by weight, poly(vinylamine) polymer or other basic resin and about 60% to about 80%, by weight of an acidic water-absorbing polymer, like polyacrylic acid.

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