Contrast agents for myocardial perfusion imaging
US-10125106-B2 · Nov 13, 2018 · US
Two oxygen atoms
Two oxygen atoms · 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 | C07D237/16 |
| Official title | Two oxygen atoms |
| Display label | Two oxygen atoms |
| Total patents | 144 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 19 |
| 2016 | 9 |
| 2017 | 20 |
| 2018 | 13 |
| 2019 | 10 |
| 2020 | 14 |
| 2021 | 12 |
| 2022 | 13 |
| 2023 | 11 |
| 2024 | 11 |
| 2025 | 9 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pyridazinone herbicides
US-10118917-B2 · Nov 6, 2018 · US
Intermediates to prepare pyridazinone herbicides, and a process to prepare them
US-2018312467-A1 · Nov 1, 2018 · US
Labile esters of agrochemicals for controlled release and reduction of off-site movement
US-2018258025-A1 · Sep 13, 2018 · US
Methods and apparatus for synthesizing imaging agents, and intermediates thereof
US-10022462-B2 · Jul 17, 2018 · US
Pyridazinone compounds and their use as daao inhibitors
US-2018177780-A1 · Jun 28, 2018 · US
Herbicidal pyridazinone derivatives
US-9944608-B2 · Apr 17, 2018 · US
Pyridazinone compounds and their use as DAAO inhibitors
US-9931340-B2 · Apr 3, 2018 · US
Therapeutic hydroxypyridinones, hydroxypyrimidinones and hydroxypyridazinones
US-9932323-B2 · Apr 3, 2018 · US
Compositions, methods, and systems for the synthesis and use of imaging agents
US-9919064-B2 · Mar 20, 2018 · US
Negative allosteric modulators of metabotropic glutamate receptor 3
US-2018022712-A1 · Jan 25, 2018 · US
Contrast agents for myocardial perfusion imaging
US-2018009763-A1 · Jan 11, 2018 · US
Methods and apparatus for synthesizing imaging agents, and intermediates thereof
US-2017258947-A1 · Sep 14, 2017 · US
Pyridazinones as DAAO enzyme inhibitors
US-9750748-B2 · Sep 5, 2017 · US
Contrast agents for myocardial perfusion imaging
US-9718786-B2 · Aug 1, 2017 · US
Photoresist composition, compound, and production method thereof
US-9720322-B2 · Aug 1, 2017 · US
Compositions, methods, and systems for the synthesis and use of imaging agents
US-9713651-B2 · Jul 25, 2017 · US
Compositions, methods, and systems for the synthesis and use of imaging agents
US-2017202984-A1 · Jul 20, 2017 · US
Therapeutic hydroxypyridinones, hydroxypyrimidinones and hydroxypyridazinones
US-2017204083-A1 · Jul 20, 2017 · US
Herbicidal pyridazinone derivatives
US-9693556-B2 · Jul 4, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D237/16?
- CPC C07D237/16 is the Cooperative Patent Classification code for “Two oxygen atoms.”
- How many patents are filed under CPC C07D237/16 (Two oxygen atoms)?
- Our database includes 144 publications tagged with this CPC code.
- Is patent activity under CPC C07D237/16 growing?
- Publication counts under this code: 11 in 2024 vs 9 in 2025 (latest complete years).