Hepatitis B antiviral agents
US-10934306-B2 · Mar 2, 2021 · US
condensed with carbocyclic rings or ring systems
condensed with carbocyclic rings or ring systems · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07D263/52 |
| Official title | condensed with carbocyclic rings or ring systems |
| Display label | condensed with carbocyclic rings or ring systems |
| Total patents | 121 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 11 |
| 2017 | 6 |
| 2018 | 9 |
| 2019 | 14 |
| 2020 | 7 |
| 2021 | 14 |
| 2022 | 13 |
| 2023 | 13 |
| 2024 | 13 |
| 2025 | 6 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Substituted bicyclic heteroaryl allosteric modulators of nicotinic acetylcholine receptors
US-10870630-B2 · Dec 22, 2020 · US
Total synthesis method of pactalactam
US-2020331863-A1 · Oct 22, 2020 · US
Prophylactic or therapeutic agent for autism spectrum disorder
US-10759768-B2 · Sep 1, 2020 · US
Hepatitis b antiviral agents
US-2020199143-A1 · Jun 25, 2020 · US
Synthesis of tetracyclines and analogues thereof
US-10669244-B2 · Jun 2, 2020 · US
Indene derivatives and uses thereof
US-2020165182-A1 · May 28, 2020 · US
Hepatitis B antiviral agents
US-10538532-B2 · Jan 21, 2020 · US
Organic electroluminescent compound and organic electroluminescent device comprising the same
US-2019393427-A1 · Dec 26, 2019 · US
Synthesis of tetracyclines and analogues thereof
US-2019345116-A1 · Nov 14, 2019 · US
Chemical compounds as inhibitors of interleukin-1 activity
US-2019337965-A1 · Nov 7, 2019 · US
Substituted bicyclic heteroaryl allosteric modulators of nicotinic acetylcholine receptors
US-2019308945-A1 · Oct 10, 2019 · US
Therapeutic compounds and methods of use thereof
US-2019263786-A1 · Aug 29, 2019 · US
Organic light-emitting device
US-10367149-B2 · Jul 30, 2019 · US
Indene derivatives and uses thereof
US-10329269-B2 · Jun 25, 2019 · US
Heterocyclic Naphthoquinones Derivatives for Use in the Treatment of Cancers Including Cushing Disease
US-2019169136-A1 · Jun 6, 2019 · US
Hepatitis b antiviral agents
US-2019084994-A1 · Mar 21, 2019 · US
Indene derivatives and uses thereof
US-2019062298-A1 · Feb 28, 2019 · US
Compound and organic light-emitting device comprising same
US-2019055222-A1 · Feb 21, 2019 · US
Prophylactic or therapeutic agent for autism spectrum disorder
US-2019040022-A1 · Feb 7, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D263/52?
- CPC C07D263/52 is the Cooperative Patent Classification code for “condensed with carbocyclic rings or ring systems.”
- How many patents are filed under CPC C07D263/52 (condensed with carbocyclic rings or ring systems)?
- Our database includes 121 publications tagged with this CPC code.
- Is patent activity under CPC C07D263/52 growing?
- Publication counts under this code: 13 in 2024 vs 6 in 2025 (latest complete years).