Polyaryl carboxylic fullerene derivative and use thereof in anti-coronavirus infection
US-12570597-B2 · Mar 10, 2026 · US
containing six-membered aromatic rings and other rings · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C57/62 |
| Official title | containing six-membered aromatic rings and other rings |
| Display label | containing six-membered aromatic rings and other rings |
| Total patents | 20 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 4 |
| 2023 | 2 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12570597-B2 · Mar 10, 2026 · US
US-2023348354-A1 · Nov 2, 2023 · US
US-11773077-B2 · Oct 3, 2023 · US
US-2021101861-A1 · Apr 8, 2021 · US
US-10941133-B2 · Mar 9, 2021 · US
US-2021053938-A1 · Feb 25, 2021 · US
US-10899695-B2 · Jan 26, 2021 · US
US-10800726-B2 · Oct 13, 2020 · US
US-2019375702-A1 · Dec 12, 2019 · US
US-10087156-B2 · Oct 2, 2018 · US
US-2018201565-A1 · Jul 19, 2018 · US
US-2018030031-A1 · Feb 1, 2018 · US
US-2017313668-A1 · Nov 2, 2017 · US
US-9714382-B2 · Jul 25, 2017 · US
US-9611235-B2 · Apr 4, 2017 · US
US-2016090531-A1 · Mar 31, 2016 · US
US-9199904-B2 · Dec 1, 2015 · US
US-9073838-B2 · Jul 7, 2015 · US
US-2015183737-A1 · Jul 2, 2015 · US
US-2015038731-A1 · Feb 5, 2015 · US