Synthesis of tetracyclines and analogues thereof
US-2016340325-A1 · Nov 24, 2016 · 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 | C07D261/20 |
| Official title | condensed with carbocyclic rings or ring systems |
| Display label | condensed with carbocyclic rings or ring systems |
| Total patents | 261 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 32 |
| 2016 | 30 |
| 2017 | 33 |
| 2018 | 32 |
| 2019 | 21 |
| 2020 | 17 |
| 2021 | 17 |
| 2022 | 24 |
| 2023 | 17 |
| 2024 | 12 |
| 2025 | 19 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pesticide compounds
US-9497970-B2 · Nov 22, 2016 · US
Substituted benzoxazoles and methods of use thereof
US-9493429-B2 · Nov 15, 2016 · US
Fused heterocyclic compounds as ion channel modulators
US-2016317504-A1 · Nov 3, 2016 · US
Fused bicyclic isoxazolines as inhibitors of cholesterol ester transfer protein
US-2016318950-A1 · Nov 3, 2016 · US
Methods of treating cancer and other disorders
US-2016317496-A1 · Nov 3, 2016 · US
Novel benzenesulfonamide compounds, method for synthesizing same, and use thereof in medicine as well as in cosmetics
US-2016280650-A1 · Sep 29, 2016 · US
Acylamino-substituted fused cyclopentanecarboxylic acid derivatives and their use as pharmaceuticals
US-2016272577-A1 · Sep 22, 2016 · US
Kynurenine-3-monooxygenase inhibitors, pharmaceutical compositions, and methods of use thereof
US-2016257674-A1 · Sep 8, 2016 · US
Novel onium salt compound, resist composition, and pattern forming process
US-2016259242-A1 · Sep 8, 2016 · US
Novel alkylene derivatives
US-2016257641-A1 · Sep 8, 2016 · US
Fused heterocyclic compounds as ion channel modulators
US-9416115-B2 · Aug 16, 2016 · US
Crystalline forms of tyrosine kinase inhibitors and their salts
US-9388146-B2 · Jul 12, 2016 · US
Neprilysin inhibitors
US-9388145-B2 · Jul 12, 2016 · US
uPAR-uPA interaction inhibitors and methods for treating cancer
US-9376406-B2 · Jun 28, 2016 · US
Synthesis of tetracyclines and analogues thereof
US-9365493-B2 · Jun 14, 2016 · US
Benzenesulfonamide compounds, method for synthesizing same, and use thereof in medicine as well as in cosmetics
US-9365529-B2 · Jun 14, 2016 · US
Pesticide Compounds
US-2016157491-A1 · Jun 9, 2016 · US
Therapeutic approaches for treating alzheimer disease and related disorders through a modulation of synapse function
US-2016136136-A1 · May 19, 2016 · US
Acylamino-substituted fused cyclopentanecarboxylic acid derivatives and their use as pharmaceuticals
US-9328071-B2 · May 3, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D261/20?
- CPC C07D261/20 is the Cooperative Patent Classification code for “condensed with carbocyclic rings or ring systems.”
- How many patents are filed under CPC C07D261/20 (condensed with carbocyclic rings or ring systems)?
- Our database includes 261 publications tagged with this CPC code.
- Is patent activity under CPC C07D261/20 growing?
- Publication counts under this code: 12 in 2024 vs 19 in 2025 (latest complete years).