Simple preparation method and use of support of catalyst for hydrogenation
US-12420269-B1 · Sep 23, 2025 · US
by hydrogenation of aromatic hydroxy compounds · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C45/006 |
| Official title | {by hydrogenation of aromatic hydroxy compounds} |
| Display label | by hydrogenation of aromatic hydroxy compounds |
| Total patents | 42 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 8 |
| 2018 | 13 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12420269-B1 · Sep 23, 2025 · US
US-2025281916-A1 · Sep 11, 2025 · US
US-2024336553-A1 · Oct 10, 2024 · US
US-10941099-B2 · Mar 9, 2021 · US
US-10858300-B2 · Dec 8, 2020 · US
US-10745336-B2 · Aug 18, 2020 · US
US-2020123088-A1 · Apr 23, 2020 · US
US-2020123089-A1 · Apr 23, 2020 · US
US-10570079-B2 · Feb 25, 2020 · US
US-2019210951-A1 · Jul 11, 2019 · US
US-2019185403-A1 · Jun 20, 2019 · US
US-10259765-B2 · Apr 16, 2019 · US
US-10252968-B2 · Apr 9, 2019 · US
US-10233140-B2 · Mar 19, 2019 · US
US-2018273457-A1 · Sep 27, 2018 · US
US-10053408-B2 · Aug 21, 2018 · US
US-2018222819-A1 · Aug 9, 2018 · US
US-2018194705-A1 · Jul 12, 2018 · US
US-2018186715-A1 · Jul 5, 2018 · US
US-10011538-B2 · Jul 3, 2018 · US
Answers are generated from the same data shown on this page.