Application
19293356 · POLYMERS FOR USE AS ANION EXCHANGE MEMBRANES
Filed 2025-08-07 · Granted · Patent 12617889 (2026-05-05) The official file ↗The patent and its PDF ↗ · Art unit 1762 · Examiner Fred M Teskin Easy · CPC C08G 10/04 · Envision Energy USA Ltd. · CALDWELL LLC
Office actions
1
first was Non-final rejection
RCEs
0
no appeal
To first action
2.7 mo
to disposition 8.9 mo
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