Phthalazine derivatives as P2X3 inhibitors
US-12534455-B2 · Jan 27, 2026 · US
with nitrogen atoms directly attached to carbon atoms of the nitrogen-containing ring, e.g. hydrazine radicals
with nitrogen atoms directly attached to carbon atoms of the nitrogen-containing ring, e.g. hydrazine radicals · 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 | C07D237/34 |
| Official title | with nitrogen atoms directly attached to carbon atoms of the nitrogen-containing ring, e.g. hydrazine radicals |
| Display label | with nitrogen atoms directly attached to carbon atoms of the nitrogen-containing ring, e.g. hydrazine radicals |
| Total patents | 56 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 5 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 8 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compounds and their use
US-12503445-B2 · Dec 23, 2025 · US
Kras g12c inhibitors and methods of using the same
US-2025362134-A1 · Nov 27, 2025 · US
Sos1 inhibitors
US-2025270220-A1 · Aug 28, 2025 · US
Sos1 protein degraders, pharmaceutical compositions thereof, and their therapeutic applications
US-2025186434-A1 · Jun 12, 2025 · US
SOS1 inhibitors
US-12304915-B2 · May 20, 2025 · US
Sos1 inhibitors
US-2025059182-A1 · Feb 20, 2025 · US
Kras g12c inhibitors and methods of using the same
US-2025057817-A1 · Feb 20, 2025 · US
Compounds and their use
US-2024383862-A1 · Nov 21, 2024 · US
Inhibitors of nlrp3
US-2024262806-A1 · Aug 8, 2024 · US
Phthalazinone derivates as nlrp3 inflammasome inhibitors
US-2024239757-A1 · Jul 18, 2024 · US
MTA-Cooperative PRMT5 Inhibitors
US-2024208912-A1 · Jun 27, 2024 · US
Kras g12c inhibitors and methods of using the same
US-2024174660-A1 · May 30, 2024 · US
Compounds and their use
US-11970463-B2 · Apr 30, 2024 · US
KRAS G12C inhibitors and methods of using the same
US-11905281-B2 · Feb 20, 2024 · US
Phthalazine derivatives as p2x3 inhibitors
US-2024002371-A1 · Jan 4, 2024 · US
Sos1 inhibitors
US-2023312482-A1 · Oct 5, 2023 · US
SOS1 inhibitors
US-11702418-B2 · Jul 18, 2023 · US
Sos1 inhibitors
US-2023137886-A1 · May 4, 2023 · US
Compounds and their use
US-2023110122-A1 · Apr 13, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D237/34?
- CPC C07D237/34 is the Cooperative Patent Classification code for “with nitrogen atoms directly attached to carbon atoms of the nitrogen-containing ring, e.g. hydrazine radicals.”
- How many patents are filed under CPC C07D237/34 (with nitrogen atoms directly attached to carbon atoms of the nitrogen-containing ring, e.g. hydrazine radicals)?
- Our database includes 56 publications tagged with this CPC code.
- Is patent activity under CPC C07D237/34 growing?
- Publication counts under this code: 8 in 2024 vs 7 in 2025 (latest complete years).