Patent · US Active

Process for producing thermally surface postcrosslinked water-absorbing polymer particles

US9126186B2 · kind B2 · utility

0Cited by

1References

7Claims

0Family size

Assignee

BASF SE

Inventors

Joerg Belack · Oberwesel, DE
Thomas Daniel · Waldsee, DE
Christophe Bauduin · Ludwigshafen, DE

Key dates

Filing date	Nov 8, 2012
Grant date	Sep 8, 2015
Priority date	—
Expiry date	Jun 22, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2333/02
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A process for producing thermally surface postcrosslinked water-absorbing polymer particles, wherein the water-absorbing polymer particles are coated before, during or after the thermal surface postcrosslinking with at least one complex consisting of a polyvalent metal salt and a 2-hydroxycarboxamide.

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