Patent · US Active

Method for producing water-absorbing polymers

US7960485B2 · kind B2 · utility

5Cited by

9References

13Claims

0Family size

Assignee

BASF SE

Inventors

Rüdiger Funk · Niedernhausen, DE
Uwe Stueven · Bad Soden, DE
Friedrich-Georg Martin · Heidelberg, DE
Jürgen Schröder · Ludwigshafen, DE

Key dates

Filing date	Nov 16, 2005
Grant date	Jun 14, 2011
Priority date	—
Expiry date	Aug 10, 2028

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F222/103
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to processes for preparing water absorbing polymers by polymerization of a monomer solution comprising allyl acrylate and/or allyl alcohol, the solution comprising not more than 0.002% by weight of allyl acrylate and/or allyl alcohol, based on acrylic acid, to aqueous monomer solutions for producing water absorbing polymers, to water absorbing polymers, to processes for producing hygiene articles and also to hygiene articles.

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