Precursor Composition and Method of Preparation Thereof, Inorganic Nanocrystals Preparation Method
US-2025136864-A1 · May 1, 2025 · US
Selenium; Tellurium; Compounds thereof (phosphorus compounds C01B25/14) · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B19/00 |
| Official title | Selenium; Tellurium; Compounds thereof (phosphorus compounds C01B25/14) |
| Display label | Selenium; Tellurium; Compounds thereof (phosphorus compounds C01B25/14) |
| Total patents | 42 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 8 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025136864-A1 · May 1, 2025 · US
US-2025040296-A1 · Jan 30, 2025 · US
US-2024424602-A1 · Dec 26, 2024 · US
US-12035629-B2 · Jul 9, 2024 · US
US-2024213523-A1 · Jun 27, 2024 · US
US-11999887-B2 · Jun 4, 2024 · US
US-2024162485-A1 · May 16, 2024 · US
US-11940446-B2 · Mar 26, 2024 · US
US-11753508-B2 · Sep 12, 2023 · US
US-2023220279-A1 · Jul 13, 2023 · US
US-11692134-B2 · Jul 4, 2023 · US
US-2023165026-A1 · May 25, 2023 · US
US-11603493-B2 · Mar 14, 2023 · US
US-2022411695-A1 · Dec 29, 2022 · US
US-2022278263-A1 · Sep 1, 2022 · US
US-2022204344-A1 · Jun 30, 2022 · US
US-2022195299-A1 · Jun 23, 2022 · US
US-11358864-B2 · Jun 14, 2022 · US
US-11306004-B2 · Apr 19, 2022 · US
US-2021163408-A1 · Jun 3, 2021 · US
Answers are generated from the same data shown on this page.