Tetrahydronaphthalene derivative
US-2026035339-A1 · Feb 5, 2026 · US
with amino groups and carboxyl groups bound to carbon atoms being part of the same condensed ring system · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C229/50 |
| Official title | with amino groups and carboxyl groups bound to carbon atoms being part of the same condensed ring system |
| Display label | with amino groups and carboxyl groups bound to carbon atoms being part of the same condensed ring system |
| Total patents | 36 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 2 |
| 2017 | 7 |
| 2018 | 3 |
| 2019 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026035339-A1 · Feb 5, 2026 · US
US-2026001846-A1 · Jan 1, 2026 · US
US-2025340594-A1 · Nov 6, 2025 · US
US-12358952-B2 · Jul 15, 2025 · US
US-2024158443-A1 · May 16, 2024 · US
US-2024150293-A1 · May 9, 2024 · US
US-11840495-B2 · Dec 12, 2023 · US
US-2022242815-A1 · Aug 4, 2022 · US
US-10301253-B2 · May 28, 2019 · US
US-10280159-B2 · May 7, 2019 · US
US-10017506-B2 · Jul 10, 2018 · US
US-9944666-B2 · Apr 17, 2018 · US
US-2018009735-A1 · Jan 11, 2018 · US
US-9771326-B2 · Sep 26, 2017 · US
US-9765016-B2 · Sep 19, 2017 · US
US-2017174672-A1 · Jun 22, 2017 · US
US-2017174710-A1 · Jun 22, 2017 · US
US-2017158687-A1 · Jun 8, 2017 · US
US-9550798-B2 · Jan 24, 2017 · US
US-9539287-B2 · Jan 10, 2017 · US
Answers are generated from the same data shown on this page.