Patent · US Active

Absorbent structure with improved water-absorbing material comprising polyurethane, coalescing aid and antioxidant

US8287999B2 · kind B2 · utility

8Cited by

116References

18Claims

0Family size

Assignee

The Procter & Gamble Company · US

Inventors

Mattias Schmidt · Idstein, DE
Axel Meyer · Frankfurt am Main, DE
Renae Dianna Fossum · Middletown, US
Jean-Philippe Marie Autran · Wyoming, US
Ulrich Riegel · Landstuhl, DE
Thomas Daniel · Waldsee, DE
Stefan Bruhns · Mannheim, DE
Mark Elliott · Ludwigshafen, DE
Karl Haeberle · Speyer, DE

Key dates

Filing date	Aug 3, 2007
Grant date	Oct 16, 2012
Priority date	—
Expiry date	Mar 17, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T442/60
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

The present invention relates to an absorbent structure suitable in, or being an adult or infant diaper or feminine hygiene article, comprising a water-absorbing material comprising water-absorbing particles that comprise a film coating, comprising an elastic film-forming polymer and an antioxidant.The invention also relates to an absorbent structure comprising a water absorbent material obtainable by a process of:

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