Production of oxygenated diterpenoid compounds
US-2025263763-A1 · Aug 21, 2025 · US
Naphtho [c] pyrroles; Hydrogenated naphtho [c] pyrroles · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07D209/62 |
| Official title | Naphtho [c] pyrroles; Hydrogenated naphtho [c] pyrroles |
| Display label | Naphtho [c] pyrroles; Hydrogenated naphtho [c] pyrroles |
| Total patents | 26 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 4 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025263763-A1 · Aug 21, 2025 · US
US-12077699-B2 · Sep 3, 2024 · US
US-12060508-B2 · Aug 13, 2024 · US
US-2024027904-A1 · Jan 25, 2024 · US
US-2023278958-A1 · Sep 7, 2023 · US
US-2023139797-A1 · May 4, 2023 · US
US-2023103089-A1 · Mar 30, 2023 · US
US-2023090784-A1 · Mar 23, 2023 · US
US-11530352-B2 · Dec 20, 2022 · US
US-10442836-B2 · Oct 15, 2019 · US
US-10428019-B2 · Oct 1, 2019 · US
US-10364221-B2 · Jul 30, 2019 · US
US-2019225880-A1 · Jul 25, 2019 · US
US-2018291264-A1 · Oct 11, 2018 · US
US-9989847-B2 · Jun 5, 2018 · US
US-9957229-B2 · May 1, 2018 · US
US-2017334847-A1 · Nov 23, 2017 · US
US-9670154-B2 · Jun 6, 2017 · US
US-2017008843-A1 · Jan 12, 2017 · US
US-2016259242-A1 · Sep 8, 2016 · US
Answers are generated from the same data shown on this page.