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SULFONATED PERFLUOROCYCLOPENTENYL POLYMERS AND USES THEREOF

13/947,037 | U.S. Patent Application

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Filed July 20, 2013
Examiner Shane Fang
Class 528
Art Group 1766
Patent No. 9,331,352
Case Type Utility
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Last Updated: 2 days, 7 hours ago
Date # Transaction