Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Brian C. Benicewicz0
Fei Huang0
Laura A. Murdock0
Lihui Wang0
Date of Patent
January 30, 2024
0Patent Application Number
175221600
Date Filed
November 9, 2021
0Patent Citations
...
Patent Primary Examiner
Patent abstract
A novel process for making PBI films starting from gel PBI membranes polymerized and casted in the PPA process wherein acid-imbibed gel PBIs are neutralized in a series of water baths and undergo controlled drying in association with a substrate material, yielding a PBI film without the use of organic solvents.
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