Phenol · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C39/04 |
| Official title | Phenol |
| Display label | Phenol |
| Total patents | 201 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 34 |
| 2016 | 36 |
| 2017 | 30 |
| 2018 | 19 |
| 2019 | 20 |
| 2020 | 16 |
| 2021 | 18 |
| 2022 | 12 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2016320700-A1 · Nov 3, 2016 · US
US-9475745-B2 · Oct 25, 2016 · US
US-9468890-B2 · Oct 18, 2016 · US
US-9469589-B2 · Oct 18, 2016 · US
US-9464011-B2 · Oct 11, 2016 · US
US-9464047-B2 · Oct 11, 2016 · US
US-9464020-B2 · Oct 11, 2016 · US
US-9458074-B2 · Oct 4, 2016 · US
US-9452965-B2 · Sep 27, 2016 · US
US-9388103-B2 · Jul 12, 2016 · US
US-9382178-B2 · Jul 5, 2016 · US
US-9364819-B2 · Jun 14, 2016 · US
US-9364823-B2 · Jun 14, 2016 · US
US-9365474-B2 · Jun 14, 2016 · US
US-9340474-B2 · May 17, 2016 · US
US-9335285-B2 · May 10, 2016 · US
US-9321709-B2 · Apr 26, 2016 · US
US-9321710-B2 · Apr 26, 2016 · US
US-9278897-B2 · Mar 8, 2016 · US
US-9272974-B2 · Mar 1, 2016 · US
Answers are generated from the same data shown on this page.