Heterocyclic compound
US-9487509-B2 · Nov 8, 2016 · US
by oxygen atoms · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07D211/22 |
| Official title | by oxygen atoms |
| Display label | by oxygen atoms |
| Total patents | 379 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 47 |
| 2016 | 42 |
| 2017 | 43 |
| 2018 | 41 |
| 2019 | 31 |
| 2020 | 37 |
| 2021 | 31 |
| 2022 | 27 |
| 2023 | 30 |
| 2024 | 26 |
| 2025 | 22 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-9487509-B2 · Nov 8, 2016 · US
US-2016304478-A1 · Oct 20, 2016 · US
US-2016272577-A1 · Sep 22, 2016 · US
US-9447030-B2 · Sep 20, 2016 · US
US-2016257951-A1 · Sep 8, 2016 · US
US-2016251351-A1 · Sep 1, 2016 · US
US-9428477-B2 · Aug 30, 2016 · US
US-2016244418-A1 · Aug 25, 2016 · US
US-RE46117-E · Aug 23, 2016 · US
US-9359327-B2 · Jun 7, 2016 · US
US-2016107134-A1 · Apr 21, 2016 · US
US-2016083348-A1 · Mar 24, 2016 · US
US-9248140-B2 · Feb 2, 2016 · US
US-2015376126-A1 · Dec 31, 2015 · US
US-2015376128-A1 · Dec 31, 2015 · US
US-9212180-B2 · Dec 15, 2015 · US
US-2015329561-A1 · Nov 19, 2015 · US
US-2015328239-A1 · Nov 19, 2015 · US
US-9187435-B2 · Nov 17, 2015 · US
US-9181183-B2 · Nov 10, 2015 · US
Answers are generated from the same data shown on this page.