Ionizable lipids and compositions and uses thereof
US-12583817-B2 · Mar 24, 2026 · US
with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
with only hydrogen 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 | C07D211/82 |
| Official title | with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms |
| Display label | with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 1 |
| 2022 | 6 |
| 2023 | 4 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for preparing meta-functionalized pyridine compound
US-12486232-B2 · Dec 2, 2025 · US
Ionizable compounds and compositions and uses thereof
US-2025250226-A1 · Aug 7, 2025 · US
Ionizable compounds and compositions and uses thereof
US-12319643-B2 · Jun 3, 2025 · US
Potent and selective inhibitors of the calcium-activated potassium channel, kca3.1, for use as platform therapeutics
US-2023416203-A1 · Dec 28, 2023 · US
Ionizable lipids and compositions and uses thereof
US-2023183168-A1 · Jun 15, 2023 · US
Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device
US-2023120404-A1 · Apr 20, 2023 · US
Nitrogen-containing compound, organic electroluminescent device, and electronic apparatus
US-11608311-B2 · Mar 21, 2023 · US
Heterocyclic compound, organic light-emitting device comprising same, composition for organic material layer of organic light-emitting device, and method for manufacturing organic light-emitting device
US-2022396568-A1 · Dec 15, 2022 · US
Nitrogen-containing compound, organic electroluminescent device, and electronic apparatus
US-2022388944-A1 · Dec 8, 2022 · US
Organic molecules for use in light-emitting devices
US-2022388960-A1 · Dec 8, 2022 · US
Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device
US-2022388991-A1 · Dec 8, 2022 · US
Ionizable compounds and compositions and uses thereof
US-2022242820-A1 · Aug 4, 2022 · US
Ionizable compounds and compositions and uses thereof
US-11384051-B2 · Jul 12, 2022 · US
Chemical Process for Preparing Pyrimidine Derivatives and Intermediates Thereof
US-2020039935-A1 · Feb 6, 2020 · US
Photostable compounds, absorbing compounds and uses thereof
US-10315994-B2 · Jun 11, 2019 · US
Method for extracting active ingredients
US-2019153013-A1 · May 23, 2019 · US
Ionizable compounds and compositions and uses thereof
US-2019127318-A1 · May 2, 2019 · US
Ionizable compounds and compositions and uses thereof
US-10167253-B2 · Jan 1, 2019 · US
Chemical Process for Preparing Pyrimidine Derivatives and Intermediates Thereof
US-2018057457-A1 · Mar 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D211/82?
- CPC C07D211/82 is the Cooperative Patent Classification code for “with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms.”
- How many patents are filed under CPC C07D211/82 (with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC C07D211/82 growing?
- Publication counts under this code: 4 in 2023 vs 3 in 2025 (latest complete years).