Composition, and optical material and lens using same
US-12486352-B2 · Dec 2, 2025 · US
Heterocyclic compounds containing rings having three or more sulfur atoms as the only ring hetero atoms · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07D341/00 |
| Official title | Heterocyclic compounds containing rings having three or more sulfur atoms as the only ring hetero atoms |
| Display label | Heterocyclic compounds containing rings having three or more sulfur atoms as the only ring hetero atoms |
| Total patents | 37 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 6 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12486352-B2 · Dec 2, 2025 · US
US-12398239-B2 · Aug 26, 2025 · US
US-2024374561-A1 · Nov 14, 2024 · US
US-2024279396-A1 · Aug 22, 2024 · US
US-2024191033-A1 · Jun 13, 2024 · US
US-11919877-B2 · Mar 5, 2024 · US
US-2023374191-A1 · Nov 23, 2023 · US
US-11787757-B2 · Oct 17, 2023 · US
US-2023037920-A1 · Feb 9, 2023 · US
US-2022041535-A1 · Feb 10, 2022 · US
US-11081728-B2 · Aug 3, 2021 · US
US-11059722-B2 · Jul 13, 2021 · US
US-10940425-B2 · Mar 9, 2021 · US
US-2021009553-A1 · Jan 14, 2021 · US
US-2020216316-A1 · Jul 9, 2020 · US
US-2020207621-A1 · Jul 2, 2020 · US
US-10611637-B2 · Apr 7, 2020 · US
US-2020044286-A1 · Feb 6, 2020 · US
US-10508173-B2 · Dec 17, 2019 · US
US-10472343-B2 · Nov 12, 2019 · US
Answers are generated from the same data shown on this page.