Method of purifying sodium bromide from waste circuit boards pyrolysis coke
US-12534376-B2 · Jan 27, 2026 · US
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Bromides
Bromides · 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 | C01D3/10 |
| Official title | Bromides |
| Display label | Bromides |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 1 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for recovering high-purity sodium bromide from bromine-containing crude salt
US-12330955-B2 · Jun 17, 2025 · US
Method For Recovering High-Purity Sodium Bromide From Bromine-Containing Crude Salt
US-2024010507-A1 · Jan 11, 2024 · US
Method of separating and recovering bromine from printed circuit board incineration ash by two-step process
US-11858822-B2 · Jan 2, 2024 · US
A method of separating and recovering bromine from printed circuit board incineration ash by two-step process
US-2023192488-A1 · Jun 22, 2023 · US
Liquid preparations of amines and organic acids stabilized by salts
US-2023143246-A1 · May 11, 2023 · US
Method of purifying sodium bromide from waste circuit boards pyrolysis coke
US-2022356067-A1 · Nov 10, 2022 · US
Processes useful in the manufacture of cyclododecasulfur
US-2022169505-A1 · Jun 2, 2022 · US
Processes useful in the manufacture of cyclododecasulfur
US-2022162068-A1 · May 26, 2022 · US
Methods of treating graphitic materials and of preparing colloidal solutions including graphitic materials
US-11254577-B2 · Feb 22, 2022 · US
Method of purifying sodium bromide from waste circuit boards pyrolysis coke
US-2021309533-A1 · Oct 7, 2021 · US
Method of recovering bromide from bromine-containing smelting ash
US-10954125-B2 · Mar 23, 2021 · US
Alkali metal halide production method, and sulfide solid electrolyte production method
US-10910669-B2 · Feb 2, 2021 · US
Treatment of kerogen in subterranean zones
US-10871061-B2 · Dec 22, 2020 · US
A method of recovering bromide from bromine-containing smelting ash
US-2020392000-A1 · Dec 17, 2020 · US
Method of fabricating rigid radiation reflectors
US-10815129-B1 · Oct 27, 2020 · US
Alkali metal halide production method, and sulfide solid electrolyte production method
US-2020168944-A1 · May 28, 2020 · US
Methods of treating graphitic materials and of preparing colloidal solutions including graphitic materials
US-2019337807-A1 · Nov 7, 2019 · US
Treatment of kerogen in subterranean zones
US-2019211658-A1 · Jul 11, 2019 · US
Method for making bromides
US-9688543-B2 · Jun 27, 2017 · US