METHOD OF ETCHING AN ABSORBENT FOAM
An absorbent foam having a first surface and a second surface is disclosed. The foam has one or more etched voids. The one or more etched voids have an irregular inner surface.
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | An absorbent foam having a first surface and a second surface is disclosed. The foam has one or more etched voids. The one or more etched voids have an irregular inner surface. |
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