Visible-light mediated organophotoredox catalytic deuteration of aromatic and aliphatic aldehydes
US-12466775-B2 · Nov 11, 2025 · US
polycyclic · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C47/546 |
| Official title | polycyclic |
| Display label | polycyclic |
| Total patents | 21 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 8 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12466775-B2 · Nov 11, 2025 · US
US-12454502-B2 · Oct 28, 2025 · US
US-2023016922-A1 · Jan 19, 2023 · US
US-11345651-B2 · May 31, 2022 · US
US-2021403405-A1 · Dec 30, 2021 · US
US-10737993-B2 · Aug 11, 2020 · US
US-2020140360-A1 · May 7, 2020 · US
US-10424738-B2 · Sep 24, 2019 · US
US-10377723-B2 · Aug 13, 2019 · US
US-10377724-B2 · Aug 13, 2019 · US
US-10280147-B2 · May 7, 2019 · US
US-2019099747-A1 · Apr 4, 2019 · US
US-10244757-B2 · Apr 2, 2019 · US
US-2019088877-A1 · Mar 21, 2019 · US
US-2019029255-A1 · Jan 31, 2019 · US
US-10070645-B2 · Sep 11, 2018 · US
US-9897913-B2 · Feb 20, 2018 · US
US-2017166517-A1 · Jun 15, 2017 · US
US-9604914-B2 · Mar 28, 2017 · US
US-2016316752-A1 · Nov 3, 2016 · US