Method for producing aryl ester-containing carboxylic acid and method for producing cationic lipid
US-2025214935-A1 · Jul 3, 2025 · US
Migration of [IMAGE cpc-sch-C07C-0962.gif] groups in the molecule · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C67/34 |
| Official title | Migration of [IMAGE cpc-sch-C07C-0962.gif] groups in the molecule |
| Display label | Migration of [IMAGE cpc-sch-C07C-0962.gif] groups in the molecule |
| Total patents | 10 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2018 | 1 |
| 2019 | 3 |
| 2021 | 3 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025214935-A1 · Jul 3, 2025 · US
US-11111200-B2 · Sep 7, 2021 · US
US-11077421-B2 · Aug 3, 2021 · US
US-2021114963-A1 · Apr 22, 2021 · US
US-2019233360-A1 · Aug 1, 2019 · US
US-10252969-B2 · Apr 9, 2019 · US
US-2019099737-A1 · Apr 4, 2019 · US
US-2018105480-A1 · Apr 19, 2018 · US
US-2016237018-A1 · Aug 18, 2016 · US
US-2016107973-A1 · Apr 21, 2016 · US