Di-thioester cationic lipids
US-12453759-B2 · Oct 28, 2025 · US
having sulfur atoms of esterified thiocarboxyl groups bound to carbon atoms of hydrocarbon radicals substituted by nitrogen atoms, not being part of nitro or nitroso groups · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C327/30 |
| Official title | having sulfur atoms of esterified thiocarboxyl groups bound to carbon atoms of hydrocarbon radicals substituted by nitrogen atoms, not being part of nitro or nitroso groups |
| Display label | having sulfur atoms of esterified thiocarboxyl groups bound to carbon atoms of hydrocarbon radicals substituted by nitrogen atoms, not being part of nitro or nitroso groups |
| Total patents | 21 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 1 |
| 2017 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12453759-B2 · Oct 28, 2025 · US
US-2025099384-A1 · Mar 27, 2025 · US
US-2025066292-A1 · Feb 27, 2025 · US
US-12076439-B2 · Sep 3, 2024 · US
US-2023113096-A1 · Apr 13, 2023 · US
US-2023088916-A1 · Mar 23, 2023 · US
US-2022257724-A1 · Aug 18, 2022 · US
US-2022008338-A1 · Jan 13, 2022 · US
US-11008362-B2 · May 18, 2021 · US
US-10995004-B2 · May 4, 2021 · US
US-2020207627-A1 · Jul 2, 2020 · US
US-2019375780-A1 · Dec 12, 2019 · US
US-2019010400-A1 · Jan 10, 2019 · US
US-9603816-B2 · Mar 28, 2017 · US
US-2016200672-A1 · Jul 14, 2016 · US
US-2015361034-A1 · Dec 17, 2015 · US
US-2015294798-A1 · Oct 15, 2015 · US
US-2015175883-A1 · Jun 25, 2015 · US
US-9000045-B2 · Apr 7, 2015 · US
US-8987486-B2 · Mar 24, 2015 · US