Patent · US Active

Insoluble metal sulfates in water absorbing polymeric particles

US7947771B2 · kind B2 · utility

2Cited by

10References

13Claims

0Family size

Assignee

BASF SE

Inventors

Ulrich Riegel · Landstuhl, DE
Thomas Daniel · Waldsee, DE
Dieter Hermeling · Haßloch, DE
Mark Elliott · Ludwigshafen, DE

Key dates

Filing date	Nov 28, 2005
Grant date	May 24, 2011
Priority date	—
Expiry date	Jun 2, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J3/243
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention concerns water-absorbing polymeric particles possessing high saline flow conductivity in the swollen state which comprise insoluble metal sulfates as synergistic fillers, and also a process for their production and their use.

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