Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
June 6, 2023
0Patent Application Number
174450940
Date Filed
August 16, 2021
0Patent Citations
Patent Primary Examiner
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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