Patent · US Active

Postcrosslinking of water absorbing polymeric particles

US7714061B2 · kind B2 · utility

3Cited by

1References

8Claims

0Family size

Assignee

BASF SE

Inventors

Ulrich Riegel · Landstuhl, DE
Thomas Daniel · Waldsee, DE
Uwe Stueven · Bad Soden, DE
Mark Elliott · Ludwigshafen, DE

Key dates

Filing date	Nov 28, 2005
Grant date	May 11, 2010
Priority date	—
Expiry date	Feb 17, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S524/916
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to a process for postcrosslinking water-absorbing polymeric particles in the absence of oxidizing gases, to the water-absorbing polymers preparable by the process and to their use in hygiene articles and packaging materials.

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