Abietanes and methods of making and using the same
US-2025154106-A1 · May 15, 2025 · US
being a secondary hydroxyl group
being a secondary hydroxyl group · 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 | C07C45/39 |
| Official title | being a secondary hydroxyl group |
| Display label | being a secondary hydroxyl group |
| Total patents | 37 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 6 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Abietanes and methods of making and using the same
US-12221419-B2 · Feb 11, 2025 · US
Process For Making Epoxide Derivatives of Farnesene and Use Thereof in Further Synthesis
US-2024287010-A1 · Aug 29, 2024 · US
Process for preparing frambione
US-2023416182-A1 · Dec 28, 2023 · US
A method for co-producing monophenols and cellulose by catalytic oxidation of biomass over a transition metal oxide
US-2023021045-A1 · Jan 19, 2023 · US
A copper-catalyzed method and application for preparing aldehydes or ketones by oxidizing alcohols with oxygen as an oxidant
US-2022127215-A1 · Apr 28, 2022 · US
Zwitterion-ruthenium complex for catalytic aerobic oxidation reactions
US-11298694-B2 · Apr 12, 2022 · US
Method for producing oxide using beta-manganese dioxide
US-2021317100-A1 · Oct 14, 2021 · US
Metal-free catalytic oxidation system, an oxygenation method and a method for producing benzoic acid derivatives
US-11084013-B1 · Aug 10, 2021 · US
Method for producing terpene aldehydes and terpene ketones
US-11028033-B2 · Jun 8, 2021 · US
Zwitterion-ruthenium complex for catalytic aerobic oxidation reactions
US-2021121862-A1 · Apr 29, 2021 · US
Synthesis and application of chiral substituted polyvinylpyrrolidinones
US-10906033-B2 · Feb 2, 2021 · US
Process for the preparation of alpha, beta unsaturated aldehydes by oxidation of alcohols in the presence of a liquid phase
US-10875821-B2 · Dec 29, 2020 · US
Synthesis and application of chiral substituted polyvinylpyrrolidinones
US-2020306737-A1 · Oct 1, 2020 · US
Method for producing terpene aldehydes and terpene ketones
US-2020181052-A1 · Jun 11, 2020 · US
Cyclic imide slurry compositions
US-10584096-B2 · Mar 10, 2020 · US
Process for preparing mandelic aromatic compounds and aromatic aldehyde compounds
US-10544081-B2 · Jan 28, 2020 · US
Process for the preparation of alpha, beta unsaturated aldehydes by oxidation of alcohols in the presence of a liquid phase
US-2020010393-A1 · Jan 9, 2020 · US
Synthesis of hypervalent iodine reagents with dioxygen
US-10487099-B2 · Nov 26, 2019 · US
Synthesis of hypervalent iodine reagents with dioxygen
US-2019002487-A1 · Jan 3, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C45/39?
- CPC C07C45/39 is the Cooperative Patent Classification code for “being a secondary hydroxyl group.”
- How many patents are filed under CPC C07C45/39 (being a secondary hydroxyl group)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC C07C45/39 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).