Luminogenic and fluorogenic compounds and methods to detect molecules or conditions
US-10077244-B2 · Sep 18, 2018 · US
Coumarine dyes · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C09B57/02 |
| Official title | Coumarine dyes |
| Display label | Coumarine dyes |
| Total patents | 228 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 21 |
| 2016 | 18 |
| 2017 | 17 |
| 2018 | 31 |
| 2019 | 20 |
| 2020 | 18 |
| 2021 | 19 |
| 2022 | 22 |
| 2023 | 21 |
| 2024 | 15 |
| 2025 | 20 |
| 2026 | 6 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-10077244-B2 · Sep 18, 2018 · US
US-2018231471-A1 · Aug 16, 2018 · US
US-10040794-B2 · Aug 7, 2018 · US
US-2018081225-A1 · Mar 22, 2018 · US
US-2017373256-A1 · Dec 28, 2017 · US
US-9834681-B2 · Dec 5, 2017 · US
US-2017306155-A1 · Oct 26, 2017 · US
US-9793494-B2 · Oct 17, 2017 · US
US-9772333-B2 · Sep 26, 2017 · US
US-9759726-B2 · Sep 12, 2017 · US
US-2017240577-A1 · Aug 24, 2017 · US
US-9732378-B2 · Aug 15, 2017 · US
US-9701667-B2 · Jul 11, 2017 · US
US-9702870-B2 · Jul 11, 2017 · US
US-2017152287-A1 · Jun 1, 2017 · US
US-9663614-B2 · May 30, 2017 · US
US-2017082645-A1 · Mar 23, 2017 · US
US-9580452-B2 · Feb 28, 2017 · US
US-2017045501-A1 · Feb 16, 2017 · US
US-9557336-B2 · Jan 31, 2017 · US
Answers are generated from the same data shown on this page.