Patent · US Expired

Method using a dry fluidised bed for producing thin, absorbent surface structures

US7250093B2 · kind B2 · utility

3Cited by

9References

23Claims

0Family size

Assignee

BASF SE

Inventors

Wolfgang Heider · Neustadt, DE
Jurgen Hofmann · Spalt, DE
Mariola Wanior · Niederrodenbach, DE
Rüdiger Funk · Niedernhausen, DE
Ulrike Licht · Mannheim, DE
Michael Ehle · Ludwigshafen, DE

Key dates

Filing date	Feb 15, 2002
Grant date	Jul 31, 2007
Priority date	—
Expiry date	Aug 26, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T442/614
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A process for producing thin absorbent planar structures which may be used in hygiene products such as diapers, incontinence products, wound contact materials or sanitary napkins to absorb body fluids, comprises the steps of:

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