Manufacturing method of display device and display device
US-12550598-B2 · Feb 10, 2026 · US
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Obtaining bismuth
Obtaining bismuth · 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 | C22B30/06 |
| Official title | Obtaining bismuth |
| Display label | Obtaining bismuth |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 3 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for the Selective Recovery of Bismuth From Solid Impurity Streams Generated During the Primary Production of Copper
US-2026009102-A1 · Jan 8, 2026 · US
System for treating tin smelting intermediate materials and method for treating same
US-12492446-B2 · Dec 9, 2025 · US
Bismuthene as versatile photocatalyst operating under variable conditions for photoredox c-h bond functionalization
US-2025345777-A1 · Nov 13, 2025 · US
Crosslinked structure, metal-trapping material including said crosslinked structure, method for recovering metal using said metal-trapping material, and method for manufacturing said crosslinked structure
US-2025128236-A1 · Apr 24, 2025 · US
2d anisotropic bismuth materials and method for obtaining same using colloidal synthesis
US-2025074786-A1 · Mar 6, 2025 · US
Radionuclide generation
US-2025034678-A1 · Jan 30, 2025 · US
Recovery method for valuable metals in copper anode slime
US-2024287644-A1 · Aug 29, 2024 · US
Manufacturing method of display device and display device
US-2024215410-A1 · Jun 27, 2024 · US
System for treating tin smelting intermediate materials and method for treating same
US-2023111491-A1 · Apr 13, 2023 · US
Mechano-chemical de-mixing of metal alloys and mixed materials
US-11364542-B2 · Jun 21, 2022 · US
Method for refining bismuth
US-2021292927-A1 · Sep 23, 2021 · US
Method for comprehensively processing noble lead
US-10982299-B2 · Apr 20, 2021 · US
Mechano-chemical de-mixing of metal alloys and mixed materials
US-2020338642-A1 · Oct 29, 2020 · US
Mechano-chemical de-mixing of metal alloys and mixed materials
US-10758984-B2 · Sep 1, 2020 · US
Method of producing low alpha-ray emitting bismuth, and low alpha-ray emitting bismuth
US-10711358-B2 · Jul 14, 2020 · US
Method for comprehensively processing noble lead
US-2020208238-A1 · Jul 2, 2020 · US
Reduction device using liquid metal
US-10689729-B2 · Jun 23, 2020 · US
Mechano-chemical de-mixing of metal alloys and mixed materials
US-2017368610-A1 · Dec 28, 2017 · US
Reduction device using liquid metal
US-2017349969-A1 · Dec 7, 2017 · US