Compositions and methods for carbon dioxide capture
US-2019329176-A1 · Oct 31, 2019 · US
with only hydrogen atoms, halogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
with only hydrogen atoms, halogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms · 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 | C07D223/04 |
| Official title | with only hydrogen atoms, halogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms |
| Display label | with only hydrogen atoms, halogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms |
| Total patents | 139 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 16 |
| 2017 | 16 |
| 2018 | 10 |
| 2019 | 13 |
| 2020 | 13 |
| 2021 | 12 |
| 2022 | 18 |
| 2023 | 13 |
| 2024 | 7 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods for treating depressive symptoms
US-2019167666-A1 · Jun 6, 2019 · US
Caspase inhibitor and pharmaceutical composition, use and therapeutic method thereof
US-2019135733-A1 · May 9, 2019 · US
Centrally active and orally bioavailable antidotes for organophosphate exposure and methods for making and using them
US-2019119237-A1 · Apr 25, 2019 · US
Trans-cycloheptenes and hetero-trans-cycloheptenes for bioorthogonal coupling
US-10155777-B2 · Dec 18, 2018 · US
Nucleic acid-containing lipid nanoparticles
US-2018353434-A1 · Dec 13, 2018 · US
Quaternary heteroatom containing compounds
US-2018339968-A1 · Nov 29, 2018 · US
Process for producing novel 4-benzoazonine derivatives
US-2018258047-A1 · Sep 13, 2018 · US
Cyclopropylamines as LSD1 inhibitors
US-10064854-B2 · Sep 4, 2018 · US
Quaternary heteroatom containing compounds
US-10035769-B2 · Jul 31, 2018 · US
Novel selective 11-beta-hydroxysteroid dehydrogenase type 1
US-2018208576-A1 · Jul 26, 2018 · US
Trans-cycloheptenes and hetero-trans-cycloheptenes for bioorthogonal coupling
US-2018072761-A1 · Mar 15, 2018 · US
Ruthenium polymerisation catalysts
US-2018065914-A1 · Mar 8, 2018 · US
Benzamide compounds and related methods of use
US-9890117-B2 · Feb 13, 2018 · US
ArylSulfonamide-based matrix metalloprotease inhibitors
US-9822092-B2 · Nov 21, 2017 · US
Ruthenium polymerisation catalysts
US-9815765-B2 · Nov 14, 2017 · US
Sulfamoylbenzamide derivatives as antiviral agents against hbv infection
US-2017320818-A1 · Nov 9, 2017 · US
Substituted mononuclear ruthenium complexes for catalysis of synthetic organic reactions
US-9782762-B2 · Oct 10, 2017 · US
Nitrogen containing hydrofluoroethers and methods of using same
US-2017283365-A1 · Oct 5, 2017 · US
Small molecule CD4 mimetics and uses thereof
US-9776963-B2 · Oct 3, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D223/04?
- CPC C07D223/04 is the Cooperative Patent Classification code for “with only hydrogen atoms, halogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms.”
- How many patents are filed under CPC C07D223/04 (with only hydrogen atoms, halogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms)?
- Our database includes 139 publications tagged with this CPC code.
- Is patent activity under CPC C07D223/04 growing?
- Publication counts under this code: 7 in 2024 vs 7 in 2025 (latest complete years).