Hepatitis B antiviral agents
US-11760755-B2 · Sep 19, 2023 · US
Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07D453/00 |
| Official title | Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids |
| Display label | Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids |
| Total patents | 43 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 4 |
| 2021 | 3 |
| 2023 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11760755-B2 · Sep 19, 2023 · US
US-2023285378-A1 · Sep 14, 2023 · US
US-2021261557-A1 · Aug 26, 2021 · US
US-2021078990-A1 · Mar 18, 2021 · US
US-10888853-B2 · Jan 12, 2021 · US
US-2020385377-A1 · Dec 10, 2020 · US
US-10851093-B2 · Dec 1, 2020 · US
US-10610857-B2 · Apr 7, 2020 · US
US-2020048266-A1 · Feb 13, 2020 · US
US-2019382395-A1 · Dec 19, 2019 · US
US-10493070-B2 · Dec 3, 2019 · US
US-2019209550-A1 · Jul 11, 2019 · US
US-10336762-B2 · Jul 2, 2019 · US
US-2019105643-A1 · Apr 11, 2019 · US
US-2019015402-A1 · Jan 17, 2019 · US
US-10100060-B2 · Oct 16, 2018 · US
US-10087176-B2 · Oct 2, 2018 · US
US-2018230157-A1 · Aug 16, 2018 · US
US-10039754-B2 · Aug 7, 2018 · US
US-10028937-B2 · Jul 24, 2018 · US
Answers are generated from the same data shown on this page.