Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takaya Fujii0
Hiroyasu Kumo0
Date of Patent
November 14, 2017
Patent Application Number
15341044
Date Filed
November 2, 2016
Patent Primary Examiner
Patent abstract
An acoustic diaphragm which has excellent Young's modulus and internal loss (tan δ) values is provided. The acoustic diaphragm according to the present invention is made from papermaking material substantially solely including cellulose nanofibers. In one embodiment, the cellulose nanofibers are unoxidized cellulose nanofibers.
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