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Application

17739227 · PERFLUOROSULFONYL MONOMERS SUITABLE FOR FLUOROPOLYMERS AND FUEL CELL MEMBRANE ARTICLES

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Filed 2022-05-09 · Granted · Patent 12341227 (2025-06-24) The official file ↗The patent and its PDF ↗ · Art unit 1752 · Examiner Oi K Conley Easy · CPC H01M 8/1032 · 3M INNOVATIVE PROPERTIES COMPANY · 3M INNOVATIVE PROPERTIES COMPANY

Office actions
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first was Restriction requirement
RCEs
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no appeal
To first action
31.2 mo
to disposition 37.5 mo
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