having the nitrogen atoms in the positions 1 and 4 · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07F9/650952 |
| Official title | {having the nitrogen atoms in the positions 1 and 4} |
| Display label | having the nitrogen atoms in the positions 1 and 4 |
| Total patents | 113 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 17 |
| 2017 | 12 |
| 2018 | 11 |
| 2019 | 9 |
| 2020 | 15 |
| 2021 | 7 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 7 |
| 2026 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-10208073-B2 · Feb 19, 2019 · US
US-10196369-B2 · Feb 5, 2019 · US
US-2019019959-A1 · Jan 17, 2019 · US
US-10111892-B2 · Oct 30, 2018 · US
US-2018291049-A1 · Oct 11, 2018 · US
US-2018222931-A1 · Aug 9, 2018 · US
US-2018194788-A1 · Jul 12, 2018 · US
US-10017527-B2 · Jul 10, 2018 · US
US-10011569-B2 · Jul 3, 2018 · US
US-10005803-B2 · Jun 26, 2018 · US
US-9908907-B2 · Mar 6, 2018 · US
US-9908910-B2 · Mar 6, 2018 · US
US-2018057516-A1 · Mar 1, 2018 · US
US-9856279-B2 · Jan 2, 2018 · US
US-9827561-B2 · Nov 28, 2017 · US
US-2017304332-A1 · Oct 26, 2017 · US
US-9783560-B2 · Oct 10, 2017 · US
US-9770459-B2 · Sep 26, 2017 · US
US-2017267639-A1 · Sep 21, 2017 · US
US-9765099-B2 · Sep 19, 2017 · US
Answers are generated from the same data shown on this page.