Organic electroluminescent element and electronic device
US-2025248302-A1 · Jul 31, 2025 · US
containing two hetero rings
containing two hetero rings · 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 | C07D409/02 |
| Official title | containing two hetero rings |
| Display label | containing two hetero rings |
| Total patents | 41 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 7 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Indazole carboxamides as kinase inhibitors
US-12275721-B2 · Apr 15, 2025 · US
Ultraviolet absorbing agent, ultraviolet absorbing composition, ultraviolet absorbing film, laminate, and novel compound
US-12173188-B2 · Dec 24, 2024 · US
Compounds for optically active devices
US-11753387-B2 · Sep 12, 2023 · US
Metabotropic glutamate receptor negative allosteric modulators (nams) and uses thereof
US-2023113588-A1 · Apr 13, 2023 · US
Pesticidally active pyrazole derivatives
US-11589585-B2 · Feb 28, 2023 · US
Indazole carboxamides as kinase inhibitors
US-2022380355-A1 · Dec 1, 2022 · US
Metabotropic glutamate receptor negative allosteric modulators (NAMs) and uses thereof
US-11447453-B2 · Sep 20, 2022 · US
Pesticidally active pyrazole derivatives
US-2022087262-A1 · Mar 24, 2022 · US
Ultraviolet absorbing agent, ultraviolet absorbing composition, ultraviolet absorbing film, laminate, and novel compound
US-2022064458-A1 · Mar 3, 2022 · US
Ophthalmic compositions and methods for the treatment of skin diseases and eye diseases
US-2022033360-A1 · Feb 3, 2022 · US
Pesticidally active pyrazole derivatives
US-11071300-B2 · Jul 27, 2021 · US
Tricyclic heterocyclic derivatives and uses thereof
US-11028064-B2 · Jun 8, 2021 · US
Hydrophobic compounds for optically active devices
US-11014901-B2 · May 25, 2021 · US
Composition, organic optoelectronic device, and display device
US-2021070706-A1 · Mar 11, 2021 · US
Aromatic amine compound, covering layer material, and light-emitting element
US-2021053954-A1 · Feb 25, 2021 · US
Organic electroluminescent compound, and organic electroluminescent material and organic electroluminescent device comprising the same
US-10886474-B2 · Jan 5, 2021 · US
Metabotropic glutamate receptor negative allosteric modulators (nams) and uses thereof
US-2020347021-A1 · Nov 5, 2020 · US
Lactam compound as fxr receptor agonist
US-2020190074-A1 · Jun 18, 2020 · US
Substituted benzothiophenyl derivatives as GPR40 agonists for the treatment of type II diabetes
US-10662170-B2 · May 26, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D409/02?
- CPC C07D409/02 is the Cooperative Patent Classification code for “containing two hetero rings.”
- How many patents are filed under CPC C07D409/02 (containing two hetero rings)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC C07D409/02 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).