Ultrasonic welding of wet laid nonwoven compositions

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United States of America Patent

PATENT NO 11668050
APP PUB NO 20220042246A1
SERIAL NO

17445094

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to ultrasonic welding of compositions, and wet laid articles made from the compositions, containing cellulose fibers and cellulose ester fibers, as well as wet laid processes using the compositions. More specifically, the present invention relates to a wet laid nonwoven comprising cellulose and cellulose ester fibers. The wet laid nonwoven is bonded to itself and/or to other substrates, and this bonding is accomplished at least in part by ultrasonic welding.

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Patent Owner(s)

  • EASTMAN CHEMICAL COMPANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Everett, Charles Stuart Kingsport, US 44 999
Mitchell, Melvin Glenn Penrose, US 72 1877
Parker, Kenny Randolph Afton, US 181 2737
Steach, Jeremy Kenneth Kingsport, US 25 288

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