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US Patent 7879446 Fluorinated cyclic olefin electret film

Patent 7879446 was granted and assigned to Industrial Technology Research Institute on February, 2011 by the United States Patent and Trademark Office.

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Patent Citations Received
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US Patent 12126960 Parylene electret condenser microphone backplate
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Patent abstract

The present invention provides a fluorinated cyclic olefin electret film including a fluorinated cyclic olefin polymer film characterized by having a cyclic olefin polymer grafted with a fluorocarbon alkyl group, and a parylene film over the fluorinated cyclic olefin polymer film.

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Patent Inventor Names
Dar-Ming Chiang0
Jen-Luan Chen0
Jonq-Min Liu0
Mei-Rurng Tseng0
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Patent Citations Received
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US Patent 11671763 Parylene electret condenser microphone backplate
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=078794460
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US Patent 07879446 Fluorinated cyclic olefin electret film US Patent 7879446 Fluorinated cyclic olefin electret film

Infobox
Patent Number
078794460
Patent Number
78794460
Edits on 25 Sep, 2022
"Entity importer update"
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Infobox
Is a
Patent
Patent
0
Current Assignee
Industrial Technology Research Institute
Industrial Technology Research Institute
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
078794460
Date of Patent
February 1, 2011
0
Patent Application Number
117765530
Date Filed
July 12, 2007
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=078794460
Patent Primary Examiner
‌
Vivian Chen
0
Edits on 4 Jun, 2022
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07879446
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 US Patent 07879446 Fluorinated cyclic olefin electret film

Infobox
Is a
Patent
Patent
Current assignee
Industrial Technology Research Institute
Industrial Technology Research Institute
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07879446
Date of patent
February 1, 2011
Patent application number
11776553
Date Filed
July 12, 2007
Patent primary examiner
‌
Vivian Chen

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