Selenium nanomaterials and methods of making and using same
US-2025083123-A1 · Mar 13, 2025 · US
Elemental selenium or tellurium
Elemental selenium or tellurium · 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 | C01B19/02 |
| Official title | Elemental selenium or tellurium |
| Display label | Elemental selenium or tellurium |
| Total patents | 64 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 15 |
| 2018 | 4 |
| 2019 | 8 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Twinned two-dimensional tellurium crystals with co-existing opposite chirality
US-2025002343-A1 · Jan 2, 2025 · US
Selenium nanomaterials and methods of making and using same
US-12179170-B2 · Dec 31, 2024 · US
Twinned two-dimensional tellurium crystals with co-existing opposite chirality
US-12145843-B2 · Nov 19, 2024 · US
Method for removing impurity mercury from crude selenium
US-2024375956-A1 · Nov 14, 2024 · US
Direct solution deposition of metal selenide semiconductors using novel metal-selenium complexes and films made therefrom
US-2024327218-A1 · Oct 3, 2024 · US
Recovery method for valuable metals in copper anode slime
US-2024287644-A1 · Aug 29, 2024 · US
Sputtering target including carbon-doped GST and method for fabricating electronic device using the same
US-11968912-B2 · Apr 23, 2024 · US
Selenium nanomaterials and methods of making and using same
US-11850568-B2 · Dec 26, 2023 · US
Substrate-free 2D tellurene
US-11827515-B2 · Nov 28, 2023 · US
Ultra low noise materials and devices for cryogenic superconductors and quantum bits
US-11727296-B2 · Aug 15, 2023 · US
Substrate-free 2d tellurene
US-2023002228-A1 · Jan 5, 2023 · US
Process for removal of selenium from water by dithionite ions
US-11535537-B2 · Dec 27, 2022 · US
Sputtering target including carbon-doped gst and method for fabricating electronic device using the same
US-2022190241-A1 · Jun 16, 2022 · US
Twinned two-dimensional tellurium crystals with co-existing opposite chirality
US-2022098038-A1 · Mar 31, 2022 · US
Chalcogen-containing compound, its preparation method and thermoelectric element comprising the same
US-11276809-B2 · Mar 15, 2022 · US
Direct electrochemical reduction method for removing selenium from wastewater
US-2022064028-A1 · Mar 3, 2022 · US
Selenium nanomaterials and methods of making and using same
US-2021339222-A1 · Nov 4, 2021 · US
Selenium nanomaterials and methods of making and using same
US-2021331137-A1 · Oct 28, 2021 · US
Selenium nanomaterials and methods of making and using same
US-11090629-B2 · Aug 17, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B19/02?
- CPC C01B19/02 is the Cooperative Patent Classification code for “Elemental selenium or tellurium.”
- How many patents are filed under CPC C01B19/02 (Elemental selenium or tellurium)?
- Our database includes 64 publications tagged with this CPC code.
- Is patent activity under CPC C01B19/02 growing?
- Publication counts under this code: 6 in 2024 vs 4 in 2025 (latest complete years).