Patent · US Active

Water-absorbent surface-modified-clay linked polymers

US9518134B2 · kind B2 · utility

1Cited by

5References

25Claims

0Family size

Assignee

The Procter & Gamble Company · US

Inventors

Torsten Lindner · Schwalbach am Taunus, DE
Axel Meyer · Frankfurt am Main, DE
Michael Moeller · Indialantic, US
Josef Breu · Bayreuth, DE
Manuela Stirner · Bayreuth, DE

Key dates

Filing date	Dec 15, 2011
Grant date	Dec 13, 2016
Priority date	—
Expiry date	Jan 1, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2300/14
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An aqueous acidic polymerization liquid comprising polymerizable monomers or oligomers with carboxylate and/or carboxylic acid moiety or moieties, and basal surface modified clay that is homogenously dispersable in said liquid is provided, and also methods for making such liquids, and also surface-modified-clay linked water-absorbing polymers made with said liquids and methods, and disposable absorbent articles comprising such surface-modified-clay linked water-absorbing polycarboxylate/polycarboxylic acid polymers.

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