Patent classifications
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GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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TECHNICAL SUBJECTS COVERED BY FORMER USPC
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TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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442/00
Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
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Y10T442/60
Nonwoven fabric [i.e., nonwoven strand or fiber material]
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Y10T442/659
Including an additional nonwoven fabric
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Y10T442/666
Mechanically interengaged by needling or impingement of fluid [e.g., gas or liquid stream, etc.]
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Y10T442/666

HYDRAULICALLY TREATED NONWOVEN FABRICS AND METHOD OF MAKING THE SAME
20180169995 · 2018-06-21 ·

A nonwoven laminate having a SMS structure is hydraulically treated by particular process parameters to improve softness and tactile feel. The nonwoven laminate may also be imparted with one or more regular aperture patterns by additional hydraulic treatment processes, where the initial hydraulic treatment provides for improved aperture definition.