Patent · US Active

Acidic superabsorbent hydrogels

US7790823B2 · kind B2 · utility

3Cited by

13References

17Claims

0Family size

Assignee

BASF SE

Inventors

Rüdiger Funk · Niedernhausen, DE
Norbert Herfert · Charlotte, US
Mariola Wanior · Niederrodenbach, DE
Uwe Stuven · Bad Soden, DE
Martin H. Beck · Amherst, US

Key dates

Filing date	Oct 16, 2007
Grant date	Sep 7, 2010
Priority date	—
Expiry date	Oct 16, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/25
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to novel hydrophilic swellable addition polymers comprising improved odor control, a process for their preparation and their use for absorbing aqueous fluids and a process for screening superabsorbents.

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