Process for the production of (1r,2s)-2,6-dimethyl-1-indanamine using dynamic kinetic stereoisomer resolution
US-2026055048-A1 · Feb 26, 2026 · US
having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a ring other than a six-membered aromatic ring · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C235/14 |
| Official title | having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a ring other than a six-membered aromatic ring |
| Display label | having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a ring other than a six-membered aromatic ring |
| Total patents | 45 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 2 |
| 2021 | 7 |
| 2022 | 9 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 3 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026055048-A1 · Feb 26, 2026 · US
US-2025388595-A1 · Dec 25, 2025 · US
US-2025223597-A1 · Jul 10, 2025 · US
US-12319640-B2 · Jun 3, 2025 · US
US-2024417369-A1 · Dec 19, 2024 · US
US-2024360075-A1 · Oct 31, 2024 · US
US-2024307382-A1 · Sep 19, 2024 · US
US-2024228431-A1 · Jul 11, 2024 · US
US-11851440-B2 · Dec 26, 2023 · US
US-11759437-B2 · Sep 19, 2023 · US
US-2023150922-A1 · May 18, 2023 · US
US-2023102879-A1 · Mar 30, 2023 · US
US-2022411364-A1 · Dec 29, 2022 · US
US-2022411433-A1 · Dec 29, 2022 · US
US-2022281804-A1 · Sep 8, 2022 · US
US-2022251123-A1 · Aug 11, 2022 · US
US-2022106281-A1 · Apr 7, 2022 · US
US-11261201-B2 · Mar 1, 2022 · US
US-11242327-B2 · Feb 8, 2022 · US
US-11236100-B2 · Feb 1, 2022 · US
Answers are generated from the same data shown on this page.