Process for synthesizing cationic lipids
US-12522561-B2 · Jan 13, 2026 · US
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having the nitrogen atom of at least one of the carboxamide groups quaternised
having the nitrogen atom of at least one of the carboxamide groups quaternised · 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 | C07C237/50 |
| Official title | having the nitrogen atom of at least one of the carboxamide groups quaternised |
| Display label | having the nitrogen atom of at least one of the carboxamide groups quaternised |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2019 | 3 |
| 2022 | 3 |
| 2023 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
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
Process for synthesizing cationic lipids
US-2023265050-A1 · Aug 24, 2023 · US
Cell cryopreservation protective composition and use thereof
US-11497206-B2 · Nov 15, 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
Ionizable compounds and compositions and uses thereof
US-2019127318-A1 · May 2, 2019 · US
Cell Cryopreservation Protective Composition, Use Thereof, and Cell Cryopreservation Method
US-2019037832-A1 · Feb 7, 2019 · US
Ionizable compounds and compositions and uses thereof
US-10167253-B2 · Jan 1, 2019 · US
Ionizable compounds and compositions and uses thereof
US-2016376229-A1 · Dec 29, 2016 · US