PARTICULATES IN NANOFIBER WEBS

Title:

PARTICULATES IN NANOFIBER WEBS

Document Type and Number:

WIPO Patent Application WO2005005704

Kind Code:

A3

Abstract:

The present invention is directed to a method of forming nonwoven webs comprising particulates. The method of forming the nonwoven web generally comprising the steps of forming fibers from a melt fibrillation process, forming at least one fluid stream containing particulates, mixing said fibers with said particulates to form a fiber-particulate mix, and depositing the mix on a surface to form a web. The nonwoven web will have the particulates entrapped in the web. The nonwoven web may comprise a layer having a significant number of nanofibers with diameters less than one micron.

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Inventors:

CHHABRA RAJEEV (US)
ISELE OLAF ERIK ALEXANDER (US)

Application Number:

PCT/US2004/021128

Publication Date:

April 14, 2005

Filing Date:

June 30, 2004

Export Citation:

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Assignee:

PROCTER & GAMBLE (US)
CHHABRA RAJEEV (US)
ISELE OLAF ERIK ALEXANDER (US)

International Classes:

A61F13/15; A61L15/60; B32B5/00; B32B5/16; B32B21/10; D04H1/00; D04H1/407; D04H3/02; D04H5/06; D04H13/02; D06M23/08; (IPC1-7): D04H13/02; D06M23/08; A61F13/15

Domestic Patent References:

WO1997005306A1

1997-02-13

Foreign References:

US4818464A	1989-04-04
US3806289A	1974-04-23

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