Compounds, compositions, methods of using, and methods for preparing compounds
US-12377069-B2 · Aug 5, 2025 · US
Preparation of quinones · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C46/00 |
| Official title | Preparation of quinones |
| Display label | Preparation of quinones |
| Total patents | 26 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 2 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12377069-B2 · Aug 5, 2025 · US
US-2025059125-A1 · Feb 20, 2025 · US
US-12168649-B2 · Dec 17, 2024 · US
US-2024173288-A1 · May 30, 2024 · US
US-2023192692-A1 · Jun 22, 2023 · US
US-11298694-B2 · Apr 12, 2022 · US
US-2022055975-A1 · Feb 24, 2022 · US
US-2021267932-A1 · Sep 2, 2021 · US
US-2021171489-A1 · Jun 10, 2021 · US
US-11021424-B2 · Jun 1, 2021 · US
US-2021121862-A1 · Apr 29, 2021 · US
US-10239811-B2 · Mar 26, 2019 · US
US-10227281-B2 · Mar 12, 2019 · US
US-2018215694-A1 · Aug 2, 2018 · US
US-10032988-B2 · Jul 24, 2018 · US
US-9988268-B2 · Jun 5, 2018 · US
US-2018134644-A1 · May 17, 2018 · US
US-2017197830-A1 · Jul 13, 2017 · US
US-9447002-B2 · Sep 20, 2016 · US
US-9409879-B2 · Aug 9, 2016 · US
Answers are generated from the same data shown on this page.