Liquid management film for absorbent articles

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5728446
SERIAL NO

08546592

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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There is provided a liquid management film for use in rapid transport of liquid. The liquid management film is a thermoplastic film having at least one microstructured hydrophilic surface with a plurality of primary grooves. The primary grooves have at least two secondary grooves, each of said secondary grooves forming at least one notch which notches are substantially parallel and separated by a secondary peak. The notches or secondary grooves have an included angle of from about 10.degree. to about 120.degree., the depth of one of said secondary grooves (the height of the secondary peak over the notch) being at least 5 microns and said depth being from about 0.5 to about 80 percent of the depth of the primary groove. The said notches have a radius of curvature of less than about 15 microns and the primary and/or secondary groove depth and width varies by less than 20 percent for each groove over a given length of the film.

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First Claim

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Patent Owner(s)

  • MINNESOTA MINING AND MANUFACTURING COMPANY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fehr, Robert T P.O. Box 33427, St. Paul, MN 55133-3427 6 141
Johnston, Raymond P P.O. Box 33427, St. Paul, MN 55133-3427 101 2911
Servatius, James A P.O. Box 33427, St. Paul, MN 55133-3427 3 256

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