Side-chain functionalized polystyrenes as membrane materials for alkaline water electrolyzers, fuel cells and flow batteries
US-2026078248-A1 · Mar 19, 2026 · US
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Bromine
Bromine · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08F112/21 |
| Official title | {Bromine} |
| Display label | Bromine |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2019 | 8 |
| 2020 | 2 |
| 2021 | 1 |
| 2023 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Flame-retardant polymeric compositions
US-2023125570-A1 · Apr 27, 2023 · US
Polymeric tracers
US-11092003-B2 · Aug 17, 2021 · US
Polymeric tracers
US-10704381-B2 · Jul 7, 2020 · US
Polymeric tracers
US-10704382-B2 · Jul 7, 2020 · US
Polymeric tracers
US-2019292904-A1 · Sep 26, 2019 · US
Polymeric tracers
US-2019292903-A1 · Sep 26, 2019 · US
Polymeric tracers
US-10408046-B2 · Sep 10, 2019 · US
Polymeric tracers
US-10408045-B2 · Sep 10, 2019 · US
Polymeric tracers
US-2019271226-A1 · Sep 5, 2019 · US
Polymeric tracers
US-2019242244-A1 · Aug 8, 2019 · US
Polymeric tracers
US-2019234200-A1 · Aug 1, 2019 · US
Polymeric tracers
US-10344588-B2 · Jul 9, 2019 · US
Polymeric tracers
US-2018128096-A1 · May 10, 2018 · US