Method of purifying sodium bromide from waste circuit boards pyrolysis coke
US-12534376-B2 · Jan 27, 2026 · US
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by precipitation or adsorption {(C01D3/145 takes precedence)}
by precipitation or adsorption {(C01D3/145 takes precedence)} · 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 | C01D3/16 |
| Official title | by precipitation or adsorption {(C01D3/145 takes precedence)} |
| Display label | by precipitation or adsorption {(C01D3/145 takes precedence)} |
| Total patents | 10 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2022 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of purifying sodium bromide from waste circuit boards pyrolysis coke
US-2022356067-A1 · Nov 10, 2022 · US
Process for conditioning and reusing salt-containing process water
US-2022145006-A1 · May 12, 2022 · US
Process for manufacturing an aqueous sodium chloride solution
US-2018050919-A1 · Feb 22, 2018 · US
Non-caking salt composition, preparation process and use thereof
US-9745203-B2 · Aug 29, 2017 · US
Process and apparatus for purification of industrial brine
US-9605350-B2 · Mar 28, 2017 · US
Purification of brine solution
US-2017044313-A1 · Feb 16, 2017 · US
Free flowing salt composition prepared by evaporative crystallization
US-9394182-B2 · Jul 19, 2016 · US
Free flowing salt composition prepared by evaporative crystallization
US-2015191361-A1 · Jul 9, 2015 · US
Non-caking salt composition, preparation process and use thereof
US-2015114841-A1 · Apr 30, 2015 · US