Superconducting material and method of preparation thereof
US-12577122-B2 · Mar 17, 2026 · US
Methods of preparing compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or the rare earths, in general · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01F1/00 |
| Official title | Methods of preparing compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or the rare earths, in general |
| Display label | Methods of preparing compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or the rare earths, in general |
| Total patents | 38 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2017 | 1 |
| 2018 | 6 |
| 2019 | 3 |
| 2020 | 9 |
| 2021 | 2 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12577122-B2 · Mar 17, 2026 · US
US-12467115-B2 · Nov 11, 2025 · US
US-12399124-B2 · Aug 26, 2025 · US
US-2024158251-A1 · May 16, 2024 · US
US-2024101439-A1 · Mar 28, 2024 · US
US-2024043280-A1 · Feb 8, 2024 · US
US-2023332029-A1 · Oct 19, 2023 · US
US-11766685-B2 · Sep 26, 2023 · US
US-2023220514-A1 · Jul 13, 2023 · US
US-2022298021-A1 · Sep 22, 2022 · US
US-11402077-B2 · Aug 2, 2022 · US
US-11401463-B2 · Aug 2, 2022 · US
US-2022119621-A1 · Apr 21, 2022 · US
US-11299398-B2 · Apr 12, 2022 · US
US-11217809-B2 · Jan 4, 2022 · US
US-2021188653-A1 · Jun 24, 2021 · US
US-11014096-B2 · May 25, 2021 · US
US-2020271586-A1 · Aug 27, 2020 · US
US-10751688-B2 · Aug 25, 2020 · US
US-10751686-B2 · Aug 25, 2020 · US
Answers are generated from the same data shown on this page.